2780 lines
46 KiB
Plaintext
2780 lines
46 KiB
Plaintext
# Nearby stars and star orbits out to 25 light years, supplementary
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# to Celestia's stars.dat.
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# Data are mainly derived from the RECONS survey tabulation at
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# http://www.chara.gsu.edu/RECONS/TOP100.htm. In particular, the distances
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# given are derived from RECONS's weighted average parallaxes, rather than
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# pure Hipparcos data.
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# Orbits are obtained largely from the Sixth Catalog of Orbits of Visual
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# Binary Stars (http://ad.usno.navy.mil/wds/orb6.html) and the Ninth
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# Catalogue of Spectroscopic Binary Orbits (http://sb9.astro.ulb.ac.be).
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# For binary orbits, the direction of an orbit's node on the plane of the
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# sky is often unknown - the orbits given below will appear correct when
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# viewed from Earth, but the true orbit may be tilted either towards
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# or away from the Earth.
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# For a few orbits the nature of the node is known - these are
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# marked with the phrase "fully specified orientation".
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# Barycenters positions are mainly based on mass estimates from RECONS:
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# the figures used are added as comments below.
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Barycenter "Solar System Barycenter:SSB"
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{
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RA 0
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Dec 0
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Distance 0
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}
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0 "Sol:Sun"
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{
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OrbitBarycenter "Solar System Barycenter"
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CustomOrbit "vsop87-sun"
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SpectralType "G2V"
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AbsMag 4.83
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RotationPeriod 609.12 # 25.38 days
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Obliquity 7.25 # correct orientation relative to ecliptic
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EquatorAscendingNode 75.77 #
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RotationOffset 23.00 # standard meridian
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}
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70890 # Proxima Cen
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{
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RA 217.429167
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Dec -62.679444
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Distance 4.225
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SpectralType "M5.5V"
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AppMag 11.09
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}
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Barycenter "Rigel Kentaurus:Toliman:ALF Cen:Gliese 559"
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{
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RA 219.917516 # mass ratio 1.09:0.92
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Dec -60.837128 #
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Distance 4.365
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}
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71683 # ALF Cen A
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{
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OrbitBarycenter "ALF Cen"
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SpectralType "G2V"
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AppMag 0.01
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EllipticalOrbit {
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Period 79.914
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SemiMajorAxis 10.765 # mass ratio 1.09:0.92
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Eccentricity 0.5179
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Inclination 82.986
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AscendingNode 67.726
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ArgOfPericenter 3.772
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MeanAnomaly 200.119
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}
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}
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71681 # ALF cen B
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{
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OrbitBarycenter "ALF Cen"
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SpectralType "K0V"
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AppMag 1.34
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EllipticalOrbit {
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Period 79.914
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SemiMajorAxis 12.755 # mass ratio 1.09:0.92
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Eccentricity 0.5179
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Inclination 82.986
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AscendingNode 67.726
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ArgOfPericenter 183.772
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MeanAnomaly 200.119
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}
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}
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87937 # Barnard's Star
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{
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RA 269.452083
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Dec 4.693333
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Distance 5.963
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SpectralType "M4.0V"
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AppMag 9.53
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}
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"Wolf 359:CN Leo:Gliese 406"
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{
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RA 164.121783
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Dec 7.014722
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Distance 7.782
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SpectralType "M6.0V"
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AppMag 13.44
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}
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54035 # Lalande 21185
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{
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RA 165.834167
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Dec 35.970000
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Distance 8.290
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SpectralType "M2.0V"
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AppMag 7.47
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}
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Barycenter "Sirius:Alhabor:ALF CMa:9 CMa:Gliese 244"
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{
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RA 101.287083
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Dec -16.716111
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Distance 8.583
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}
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32349 "Sirius A:Alhabor A:ALF CMa A:9 CMa A:Gliese 244 A"
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{
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OrbitBarycenter "Sirius"
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SpectralType "A1V"
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AppMag -1.43
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EllipticalOrbit { # fully specified orientation
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Period 50.09
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SemiMajorAxis 6.73 # mass ratio 1.99:1.03
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Eccentricity 0.5923
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Inclination 97.51
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AscendingNode 161.33
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ArgOfPericenter 4.56
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MeanAnomaly 40.89
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}
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}
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"Sirius B:Alhabor B:ALF CMa B:9 CMa B:Gliese 244 B"
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{
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OrbitBarycenter "Sirius"
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SpectralType "DA2"
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AppMag 8.44
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EllipticalOrbit { # fully specified orientation
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Period 50.09
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SemiMajorAxis 13.00 # mass ratio 1.99:1.03
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Eccentricity 0.592
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Inclination 97.51
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AscendingNode 161.33
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ArgOfPericenter 184.56
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MeanAnomaly 40.89
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}
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}
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Barycenter "Luyten 726-8:Gliese 65"
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{
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RA 24.755529
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Dec -17.950278
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Distance 8.728
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}
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"Luyten 726-8 A:Gliese 65 A:BL Cet"
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{
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OrbitBarycenter "Luyten 726-8"
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SpectralType "M5.5V"
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AppMag 12.54
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EllipticalOrbit {
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Period 26.52
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SemiMajorAxis 2.61 # mass ratio 0.1:0.1
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Eccentricity 0.62
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Inclination 101.3
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AscendingNode 159.5
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ArgOfPericenter 39.7
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MeanAnomaly 21.3
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}
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}
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"Luyten 726-8 B:Gliese 65 B:UV Cet"
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{
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OrbitBarycenter "Luyten 726-8"
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SpectralType "M6.0V"
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AppMag 12.99
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EllipticalOrbit {
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Period 26.52
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SemiMajorAxis 2.61 # mass ratio 0.1:0.1
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Eccentricity 0.62
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Inclination 101.3
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AscendingNode 159.5
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ArgOfPericenter 219.7
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MeanAnomaly 21.3
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}
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}
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92403 # Ross 154
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{
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RA 282.455833
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Dec -23.836111
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Distance 9.681
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SpectralType "M3.5V"
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AppMag 10.43
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}
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"Ross 248:HH And:Gliese 905"
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{
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RA 355.479875
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Dec 44.177222
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Distance 10.322
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SpectralType "M5.5V"
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AppMag 12.29
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}
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16537 # Eps Eri
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{
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RA 53.232500
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Dec -9.458333
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Distance 10.522
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SpectralType "K2V"
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AppMag 3.73
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}
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114046 # Lacaille 9352
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{
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RA 346.466667
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Dec -35.853056
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Distance 10.742
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SpectralType "M1.5V"
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AppMag 7.34
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}
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57548 # Ross 128
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{
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RA 176.935000
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Dec 0.804444
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Distance 10.919
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SpectralType "M4.0V"
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AppMag 11.13
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}
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# Delfosse, X. et al. (1999) "New Neighbours I: 13 new
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# companions to nearby M dwarfs" A&A, 344, 897
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# (http://aa.springer.de/papers/9344003/2300897/small.htm)
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Barycenter "Luyten 789-6:Gliese 866"
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{
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RA 339.640833
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Dec -15.300806
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Distance 11.266
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}
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Barycenter "Luyten 789-6 A:Gliese 866 A"
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{
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OrbitBarycenter "Luyten 789-6"
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EllipticalOrbit {
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Period 2.2506
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SemiMajorAxis 0.42 # mass ratio 0.106:(0.105+0.095)
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Eccentricity 0.437
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Inclination 96.2
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AscendingNode 133.5
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ArgOfPericenter 76.4
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MeanAnomaly 241.7
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}
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}
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"Luyten 789-6 Aa:Gliese 866 Aa:EZ Aqr"
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{
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OrbitBarycenter "Luyten 789-6 A"
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SpectralType "M5.0V"
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AppMag 13.33
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EllipticalOrbit {
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Period 0.010 # 3.8dys
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SemiMajorAxis 0.013 # to match period and mass ratio 0.105:0.095
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Inclination 96 # guess - to match plane of B
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AscendingNode 133 # guess - to match plane of B
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}
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}
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"Luyten 789-6 Ab:Gliese 866 Ab"
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{
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OrbitBarycenter "Luyten 789-6 A"
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SpectralType "M6V" # from apparent magnitude
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AppMag 14.03
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EllipticalOrbit {
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Period 0.010 # 3.8dys
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SemiMajorAxis 0.014 # to match period and mass ratio 0.105:0.095
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Inclination 96 # guess - to match plane of B
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AscendingNode 133 # guess - to match plane of B
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ArgOfPericenter 180
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}
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}
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"Luyten 789-6 B:Gliese 866 B"
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{
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OrbitBarycenter "Luyten 789-6"
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SpectralType "M5V" # from apparent magnitude
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AppMag 13.27
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EllipticalOrbit {
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Period 2.2506
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SemiMajorAxis 0.78 # mass ratio 0.106:(0.105+0.095)
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Eccentricity 0.437
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Inclination 96.2
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AscendingNode 133.5
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ArgOfPericenter 256.4
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MeanAnomaly 241.7
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}
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}
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Barycenter "Procyon:Elgomaisa:ALF CMi:10 CMi:Gliese 280"
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{
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RA 114.82724
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Dec 5.2275076
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Distance 11.402
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}
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37279 "Procyon A:Elgomaisa A:ALF CMi A:10 CMi A:Gliese 280 A"
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{
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OrbitBarycenter "Procyon"
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SpectralType "F5IV"
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AppMag 0.38
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EllipticalOrbit {
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Period 40.82
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SemiMajorAxis 4.13 # mass ratio 1.57:0.6
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Eccentricity 0.407
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Inclination 42.9
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AscendingNode 27.8
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ArgOfPericenter 88.4
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MeanAnomaly 282.5
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}
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}
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"Procyon B:Elgomaisa B:ALF CMi B:10 CMi B:Gliese 280 B"
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{
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OrbitBarycenter "Procyon"
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SpectralType "DA"
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AppMag 10.70
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EllipticalOrbit {
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Period 40.82
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SemiMajorAxis 10.80 # mass ratio 1.57:0.6
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Eccentricity 0.407
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Inclination 42.9
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AscendingNode 27.8
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ArgOfPericenter 268.4
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MeanAnomaly 282.5
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}
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}
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Barycenter "61 Cyg:Gliese 820"
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{
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RA 316.714507 # mass ratio 0.7:0.63
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Dec 38.738139 #
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Distance 11.403
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}
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104214 # 61 Cyg A
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{
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OrbitBarycenter "61 Cyg"
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SpectralType "K5V"
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AppMag 5.21
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EllipticalOrbit {
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Period 659
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SemiMajorAxis 40.40 # mass ratio 0.7:0.63
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Eccentricity 0.48
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Inclination 132
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AscendingNode 165
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ArgOfPericenter 195
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MeanAnomaly 165
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}
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}
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104217 # 61 Cyg B
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{
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OrbitBarycenter "61 Cyg"
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SpectralType "K7V"
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AppMag 6.03
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EllipticalOrbit {
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Period 659
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SemiMajorAxis 44.90 # mass ratio 0.7:0.63
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Eccentricity 0.48
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Inclination 132
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AscendingNode 165
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ArgOfPericenter 15
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MeanAnomaly 165
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}
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}
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Barycenter "Struve 2398:Gliese 725"
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{
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RA 280.701371 # mass ratio 0.35:0.26
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Dec 59.624455 #
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Distance 11.525
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}
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91768 # Struve 2398 A
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{
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OrbitBarycenter "Struve 2398"
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SpectralType "M3.0V"
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AppMag 8.90
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EllipticalOrbit {
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Period 408
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SemiMajorAxis 20.91 # mass ratio 0.35:0.26
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Eccentricity 0.53
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Inclination 112
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AscendingNode 146.1
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ArgOfPericenter 243.5
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MeanAnomaly 198.5
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}
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}
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91772 # Struve 2398 B
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{
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OrbitBarycenter "Struve 2398"
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SpectralType "M3.5V"
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AppMag 9.69
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EllipticalOrbit {
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Period 408
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SemiMajorAxis 28.14 # mass ratio 0.35:0.26
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Eccentricity 0.53
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Inclination 112
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AscendingNode 146.1
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ArgOfPericenter 63.5
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MeanAnomaly 198.5
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}
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}
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Barycenter "Groombridge 34:Gliese 15"
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{
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RA 4.595417
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Dec 44.023056
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Distance 11.624
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}
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1475 "Groombridge 34 A:Gliese 15 A:GX And"
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{
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OrbitBarycenter "Groombridge 34"
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SpectralType "M1.5V"
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AppMag 8.08
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EllipticalOrbit {
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Period 2600
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SemiMajorAxis 36.1 # mass ratio 0.49:0.16
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Eccentricity 0
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Inclination 67.9
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AscendingNode 308.4
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MeanLongitude 23.0
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}
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}
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"Groombridge 34 B:Gliese 15 B:GQ And"
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{
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OrbitBarycenter "Groombridge 34"
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SpectralType "M3.5V"
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AppMag 11.06
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||
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||
EllipticalOrbit {
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||
Period 2600
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||
SemiMajorAxis 110.7 # mass ratio 0.49:0.16
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||
Eccentricity 0
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||
Inclination 67.9
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||
AscendingNode 308.4
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||
MeanLongitude 203.0
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}
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}
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Barycenter "EPS Ind:Gliese 845" # orbit of A & B components unknown
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||
{
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RA 330.841091 # mass ratio 0.77:(0.04+0.03)
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Dec -56.780045
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Distance 11.824
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}
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108870 "EPS Ind A:Gliese 845 A"
|
||
{
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||
RA 330.82266
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Dec -56.779804
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Distance 11.824
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||
SpectralType "K5V"
|
||
AppMag 4.69
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}
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# McCaughrean, M.J. et al.(2004) "Eps Indi Ba,Bb: The nearest binary
|
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# brown dwarf" A&A 413, 1029.
|
||
# (http://arxiv.org/PS_cache/astro-ph/pdf/0309/0309256.pdf)
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||
Barycenter "EPS Ind B:Gliese 845 B"
|
||
{
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RA 331.043833
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Dec -56.782694
|
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Distance 11.824
|
||
}
|
||
|
||
"EPS Ind Ba:Gliese 845 Ba"
|
||
{
|
||
OrbitBarycenter "EPS Ind B"
|
||
SpectralType "T1V"
|
||
AbsMag 25.8 # for approximate radius in Celestia
|
||
|
||
EllipticalOrbit {
|
||
Period 15.5 # approximate orbit
|
||
SemiMajorAxis 0.99 # mass ratio 47:28J
|
||
}
|
||
}
|
||
|
||
"EPS Ind Bb:Gliese 845 Bb"
|
||
{
|
||
OrbitBarycenter "EPS Ind B"
|
||
SpectralType "T6V"
|
||
AbsMag 33.5 # for approximate radius in Celestia
|
||
|
||
EllipticalOrbit {
|
||
Period 15.5 # approximate orbit
|
||
SemiMajorAxis 1.66 # mass ratio 47:28J
|
||
ArgOfPericenter 180
|
||
}
|
||
}
|
||
|
||
"DX Cnc:Giclas 51-15:GJ 1111"
|
||
{
|
||
RA 127.456125
|
||
Dec 26.775611
|
||
Distance 11.826
|
||
SpectralType "M6.5V"
|
||
AppMag 14.78
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||
}
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||
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||
8102 # Tau Cet
|
||
{
|
||
RA 26.017083
|
||
Dec -15.937500
|
||
Distance 11.887
|
||
SpectralType "G8V"
|
||
AppMag 3.49
|
||
}
|
||
|
||
"Luyten 372-58:RECONS 1:GJ 1061"
|
||
{
|
||
RA 54.000000
|
||
Dec -44.512778
|
||
Distance 12.049
|
||
SpectralType "M5.5V"
|
||
AppMag 13.03
|
||
}
|
||
|
||
5643 # Luyten 725-032
|
||
{
|
||
RA 18.127500
|
||
Dec -16.999167
|
||
Distance 12.132
|
||
SpectralType "M4.5V"
|
||
AppMag 12.02
|
||
}
|
||
|
||
36208 # Luyten's Star
|
||
{
|
||
RA 111.852083
|
||
Dec 5.225833
|
||
Distance 12.366
|
||
SpectralType "M3.5V"
|
||
AppMag 9.86
|
||
}
|
||
|
||
"Teegarden's Star:SO0253+1652:SO025300.5+165258"
|
||
{
|
||
RA 43.253500
|
||
Dec 16.881389
|
||
Distance 12.541
|
||
SpectralType "M7.0V"
|
||
AppMag 15.40
|
||
}
|
||
|
||
|
||
# Biller B.A. et al.(2006) "Discovery of the Closest Brown Dwarf to
|
||
# the Sun? A Methane Rich Brown Dwarf Around the Nearby M8.5 Star
|
||
# SCR 1845"
|
||
# (http://xxx.uni-augsburg.de/PS_cache/astro-ph/pdf/0601/0601441.pdf)
|
||
Barycenter "SCR 1845-6357"
|
||
{
|
||
RA 281.260833
|
||
Dec -63.964444
|
||
Distance 12.571
|
||
}
|
||
|
||
"SCR 1845-6357 A"
|
||
{
|
||
OrbitBarycenter "SCR 1845-6357"
|
||
SpectralType "M8.5V"
|
||
AppMag 17.39
|
||
|
||
EllipticalOrbit {
|
||
Period 23.5 # estimate
|
||
SemiMajorAxis 1.6 # estimated mass ratio 0.07:0.045
|
||
ArgOfPericenter 180
|
||
}
|
||
}
|
||
|
||
"SCR 1845-6357 B"
|
||
{
|
||
OrbitBarycenter "SCR 1845-6357"
|
||
SpectralType "T6V"
|
||
AbsMag 33.5 # for approximate radius in Celestia
|
||
|
||
EllipticalOrbit {
|
||
Period 23.5 # estimate
|
||
SemiMajorAxis 2.4 # estimated mass ratio 0.07:0.045
|
||
}
|
||
}
|
||
|
||
24186 # Kapteyn's Star
|
||
{
|
||
RA 77.919167
|
||
Dec -45.018333
|
||
Distance 12.777
|
||
SpectralType "M1.5VI"
|
||
AppMag 8.84
|
||
}
|
||
|
||
105090 # Lacaille 8760
|
||
{
|
||
RA 319.313750
|
||
Dec -38.867500
|
||
Distance 12.870
|
||
SpectralType "M0.0V"
|
||
AppMag 6.67
|
||
}
|
||
|
||
Barycenter "Kruger 60:Gliese 860"
|
||
{
|
||
RA 336.997917
|
||
Dec 57.695833
|
||
Distance 13.149
|
||
}
|
||
|
||
110893 "Kruger 60 A:Gliese 860 A"
|
||
{
|
||
OrbitBarycenter "Kruger 60"
|
||
SpectralType "M3.0V"
|
||
AppMag 9.79
|
||
|
||
EllipticalOrbit {
|
||
Period 44.67
|
||
SemiMajorAxis 3.49 # mass ratio 0.28:0.16
|
||
Eccentricity 0.41
|
||
Inclination 37.0
|
||
AscendingNode 126.6
|
||
ArgOfPericenter 264.1
|
||
MeanAnomaly 240.0
|
||
}
|
||
}
|
||
|
||
"Kruger 60 B:DO Cep:Gliese 860 B"
|
||
{
|
||
OrbitBarycenter "Kruger 60"
|
||
SpectralType "M4.0V"
|
||
AppMag 11.41
|
||
|
||
EllipticalOrbit {
|
||
Period 44.67
|
||
SemiMajorAxis 6.12 # mass ratio 0.28:0.16
|
||
Eccentricity 0.41
|
||
Inclination 37.0
|
||
AscendingNode 126.6
|
||
ArgOfPericenter 84.1
|
||
MeanAnomaly 240.0
|
||
}
|
||
}
|
||
|
||
"DENIS 1048-3956:RECONS 2"
|
||
{
|
||
RA 162.061250
|
||
Dec -39.935000
|
||
Distance 13.167
|
||
SpectralType "M8.5V"
|
||
AppMag 17.29
|
||
}
|
||
|
||
Barycenter "Ross 614:Gliese 234"
|
||
{
|
||
RA 97.347500
|
||
Dec -2.813889
|
||
Distance 13.349
|
||
}
|
||
|
||
30920 "Ross 614 A:V577 Mon:Gliese 234 A"
|
||
{
|
||
OrbitBarycenter "Ross 614"
|
||
SpectralType "M4.5V"
|
||
AppMag 11.15
|
||
|
||
EllipticalOrbit {
|
||
Period 16.5
|
||
SemiMajorAxis 1.67 # mass ratio 0.17:0.10
|
||
Eccentricity 0.38
|
||
Inclination 37
|
||
AscendingNode 71
|
||
ArgOfPericenter 131
|
||
MeanAnomaly 0
|
||
}
|
||
}
|
||
|
||
"Ross 614 B:Gliese 234 B"
|
||
{
|
||
OrbitBarycenter "Ross 614"
|
||
SpectralType "M7V"
|
||
AppMag 14.23
|
||
|
||
EllipticalOrbit {
|
||
Period 16.5
|
||
SemiMajorAxis 2.83 # mass ratio 0.17:0.10
|
||
Eccentricity 0.38
|
||
Inclination 37
|
||
AscendingNode 71
|
||
ArgOfPericenter 311
|
||
MeanAnomaly 0
|
||
}
|
||
}
|
||
|
||
80824 # Wolf 1061
|
||
{
|
||
RA 247.575417
|
||
Dec -12.662500
|
||
Distance 13.820
|
||
SpectralType "M3.0V"
|
||
AppMag 10.07
|
||
}
|
||
|
||
3829 # van Maanen's Star
|
||
{
|
||
RA 12.291250
|
||
Dec 5.388611
|
||
Distance 14.066
|
||
SpectralType "DZ7"
|
||
AppMag 12.38
|
||
}
|
||
|
||
439 # Cordoba 32416
|
||
|
||
{
|
||
RA 1.351667
|
||
Dec -37.357500
|
||
Distance 14.231
|
||
SpectralType "M3.0V"
|
||
AppMag 8.55
|
||
}
|
||
|
||
Barycenter "Wolf 424:Gliese 473"
|
||
{
|
||
RA 188.321667
|
||
Dec 9.020833
|
||
Distance 14.312
|
||
}
|
||
|
||
"Wolf 424 A:Gliese 473 A"
|
||
{
|
||
OrbitBarycenter "Wolf 424"
|
||
SpectralType "M5.5V"
|
||
AppMag 13.18
|
||
|
||
EllipticalOrbit {
|
||
Period 15.9
|
||
SemiMajorAxis 1.92 # mass ratio 0.14:0.13
|
||
Eccentricity 0.3
|
||
Inclination 28.7
|
||
AscendingNode 359.5
|
||
ArgOfPericenter 81.1
|
||
MeanAnomaly 169.8
|
||
}
|
||
}
|
||
|
||
"Wolf 424 B:FL Vir:Gliese 473 B"
|
||
{
|
||
OrbitBarycenter "Wolf 424"
|
||
SpectralType "M5.5V"
|
||
AppMag 13.17
|
||
|
||
EllipticalOrbit {
|
||
Period 15.9
|
||
SemiMajorAxis 2.06 # mass ratio 0.14:0.13
|
||
Eccentricity 0.3
|
||
Inclination 28.7
|
||
AscendingNode 359.5
|
||
ArgOfPericenter 261.1
|
||
MeanAnomaly 169.8
|
||
}
|
||
}
|
||
|
||
"Luyten 1159-16:TZ Ari:Gliese 83.1"
|
||
{
|
||
RA 30.055000
|
||
Dec 13.052222
|
||
Distance 14.509
|
||
SpectralType "M4.5V"
|
||
AppMag 12.27
|
||
}
|
||
|
||
86162 # Gliese 687
|
||
{
|
||
RA 264.107917
|
||
Dec 68.339167
|
||
Distance 14.793
|
||
SpectralType "M3.0V"
|
||
AppMag 9.17
|
||
}
|
||
|
||
"LP 731-58:GJ 3622"
|
||
{
|
||
RA 162.052500
|
||
Dec -11.337222
|
||
Distance 14.805
|
||
SpectralType "M6.5V"
|
||
AppMag 15.60
|
||
}
|
||
|
||
85523 # Gliese 674
|
||
{
|
||
RA 262.166250
|
||
Dec -46.895278
|
||
Distance 14.809
|
||
SpectralType "M3.0V"
|
||
AppMag 9.38
|
||
}
|
||
|
||
Barycenter "GJ 1245" # orbit of A & B components unknown
|
||
{
|
||
RA 298.477317 # mass ratio (0.11+0.07):0.10
|
||
Dec 44.415377 #
|
||
Distance 14.812
|
||
}
|
||
|
||
Barycenter "GJ 1245 A"
|
||
{
|
||
RA 298.475833
|
||
Dec 44.415278
|
||
Distance 14.812
|
||
}
|
||
|
||
|
||
"GJ 1245 Aa:V1581 Cyg"
|
||
{
|
||
OrbitBarycenter "GJ 1245 A"
|
||
SpectralType "M5.5V"
|
||
AppMag 13.46
|
||
|
||
EllipticalOrbit {
|
||
Period 15.22
|
||
SemiMajorAxis 0.49 # mass ratio 0.11:0.07
|
||
Eccentricity 0.32
|
||
Inclination 20
|
||
AscendingNode 197
|
||
ArgOfPericenter 58
|
||
MeanAnomaly 40
|
||
}
|
||
}
|
||
|
||
"GJ 1245 Ab"
|
||
{
|
||
OrbitBarycenter "GJ 1245 A"
|
||
SpectralType "M7.5V" # from low luminosity
|
||
AppMag 16.75
|
||
|
||
EllipticalOrbit {
|
||
Period 15.22
|
||
SemiMajorAxis 0.78 # mass ratio 0.11:0.07
|
||
Eccentricity 0.32
|
||
Inclination 20
|
||
AscendingNode 197
|
||
ArgOfPericenter 238
|
||
MeanAnomaly 40
|
||
}
|
||
}
|
||
|
||
"GJ 1245 B"
|
||
{
|
||
RA 298.480000
|
||
Dec 44.415556
|
||
Distance 14.812
|
||
SpectralType "M6.0V"
|
||
AppMag 14.01
|
||
}
|
||
|
||
57367 # Luyten 145-141
|
||
{
|
||
RA 176.428750
|
||
Dec -64.841389
|
||
Distance 15.060
|
||
SpectralType "DQ6"
|
||
AppMag 11.50
|
||
}
|
||
|
||
"GJ 1002"
|
||
{
|
||
RA 1.682500
|
||
Dec -7.539444
|
||
Distance 15.313
|
||
SpectralType "M5.5V"
|
||
AppMag 13.76
|
||
}
|
||
|
||
113020 # Ross 780
|
||
{
|
||
RA 343.319583
|
||
Dec -14.263611
|
||
Distance 15.342
|
||
SpectralType "M3.5V"
|
||
AppMag 10.17
|
||
}
|
||
|
||
"Luyten 143-23:GJ 3618"
|
||
{
|
||
RA 161.132500
|
||
Dec -61.193889
|
||
Distance 15.610
|
||
SpectralType "M5.5V"
|
||
AppMag 13.92
|
||
}
|
||
|
||
Barycenter "Lalande 21258:Gliese 412" # orbits of A & B unknown
|
||
{
|
||
RA 166.370443 # mass ratio 0.48:0.10
|
||
Dec 43.525816 #
|
||
Distance 15.832
|
||
}
|
||
|
||
54211 "Lalande 21258 A:Gliese 412 A"
|
||
{
|
||
RA 166.369167
|
||
Dec 43.526667
|
||
Distance 15.832
|
||
SpectralType "M1.0V"
|
||
AppMag 8.77
|
||
}
|
||
|
||
"Lalande 21258 B:WX UMa:Gliese 412 B"
|
||
{
|
||
RA 166.376667
|
||
Dec 43.521667
|
||
Distance 15.832
|
||
SpectralType "M5.5V"
|
||
AppMag 14.48
|
||
}
|
||
|
||
49908 # Groombridge 1618
|
||
{
|
||
RA 152.842083
|
||
Dec 49.454167
|
||
Distance 15.848
|
||
SpectralType "K7.0V"
|
||
AppMag 6.59
|
||
}
|
||
|
||
"AD Leo:Gliese 388"
|
||
{
|
||
RA 154.901667
|
||
Dec 19.869444
|
||
Distance 15.942
|
||
SpectralType "M3.0V"
|
||
AppMag 9.32
|
||
}
|
||
|
||
106440 # Luyten 354-89
|
||
{
|
||
RA 323.391667
|
||
Dec -49.008889
|
||
Distance 16.085
|
||
SpectralType "M3.0V"
|
||
AppMag 8.66
|
||
}
|
||
|
||
"LP 944-20"
|
||
{
|
||
RA 54.896667
|
||
Dec -35.428056
|
||
Distance 16.195
|
||
SpectralType "M9.0V"
|
||
AppMag 18.50
|
||
}
|
||
|
||
"DENIS 0255-4700"
|
||
{
|
||
RA 43.765417
|
||
Dec -47.014444
|
||
Distance 16.197
|
||
SpectralType "L7.5V"
|
||
AppMag 22.92
|
||
}
|
||
|
||
86214 # Gliese 682
|
||
{
|
||
RA 264.265417
|
||
Dec -44.319167
|
||
Distance 16.337
|
||
SpectralType "M4.5V"
|
||
AppMag 10.95
|
||
}
|
||
|
||
Barycenter "Keid:OMI2 Eri:40 Eri:Gliese 166" # Orbits of A & (BC) unknown
|
||
{
|
||
RA 63.828351 # mass ratio 0.89:(0.5+0.20)
|
||
Dec -7.655829 #
|
||
Distance 16.390
|
||
}
|
||
|
||
19849 "Keid A:OMI2 Eri A:40 Eri A:Gliese 166 A"
|
||
{
|
||
RA 63.817917
|
||
Dec -7.652778
|
||
Distance 16.390
|
||
SpectralType "K1V"
|
||
AppMag 4.43
|
||
}
|
||
|
||
Barycenter "Keid B-C:OMI2 Eri B-C:40 Eri B-C:Gliese 166 B-C"
|
||
{
|
||
RA 63.841667
|
||
Dec -7.659722
|
||
Distance 16.390
|
||
}
|
||
|
||
"Keid B:OMI2 Eri B:40 Eri B:Gliese 166 B"
|
||
{
|
||
OrbitBarycenter "Keid B-C"
|
||
SpectralType "DA4"
|
||
AppMag 9.52
|
||
|
||
EllipticalOrbit {
|
||
Period 252.1
|
||
SemiMajorAxis 9.97 # mass ratio 0.5:0.2
|
||
Eccentricity 0.41
|
||
Inclination 84.4
|
||
AscendingNode 215.2
|
||
ArgOfPericenter 90.4
|
||
MeanAnomaly 214.77
|
||
}
|
||
}
|
||
|
||
"Keid C:OMI2 Eri C:40 Eri C:DY Eri:Gliese 166 C"
|
||
{
|
||
OrbitBarycenter "Keid B-C"
|
||
SpectralType "M4.5V"
|
||
AppMag 11.19
|
||
|
||
EllipticalOrbit {
|
||
Period 252.1
|
||
SemiMajorAxis 24.92 # mass ratio 0.5:0.2
|
||
Eccentricity 0.41
|
||
Inclination 84.4
|
||
AscendingNode 215.2
|
||
ArgOfPericenter 270.4
|
||
MeanAnomaly 214.77
|
||
}
|
||
}
|
||
|
||
112460 # EV Lac
|
||
{
|
||
RA 341.702083
|
||
Dec 44.330833
|
||
Distance 16.470
|
||
SpectralType "M3.5V"
|
||
AppMag 10.06
|
||
}
|
||
|
||
Barycenter "70 Oph:Struve 2272:Gliese 702"
|
||
{
|
||
RA 271.363750
|
||
Dec 2.500000
|
||
Distance 16.644
|
||
}
|
||
|
||
88601 "70 Oph A:Struve 2272 A:Gliese 702 A"
|
||
{
|
||
OrbitBarycenter "70 Oph"
|
||
SpectralType "K0V"
|
||
AppMag 4.20
|
||
|
||
EllipticalOrbit {
|
||
Period 88.38
|
||
SemiMajorAxis 10.04 # mass ratio 0.92:0.70
|
||
Eccentricity 0.4992
|
||
Inclination 114.9
|
||
AscendingNode 330.8
|
||
ArgOfPericenter 341.6
|
||
MeanAnomaly 63.9
|
||
}
|
||
}
|
||
|
||
"70 Oph B:Struve 2272 B:Gliese 702 B"
|
||
{
|
||
OrbitBarycenter "70 Oph"
|
||
SpectralType "K5V"
|
||
AppMag 6.05
|
||
|
||
EllipticalOrbit {
|
||
Period 88.38
|
||
SemiMajorAxis 13.20 # mass ratio 0.92:0.70
|
||
Eccentricity 0.4992
|
||
Inclination 114.9
|
||
AscendingNode 330.8
|
||
ArgOfPericenter 161.6
|
||
MeanAnomaly 63.9
|
||
}
|
||
}
|
||
|
||
97649 # Altair
|
||
{
|
||
RA 297.695833
|
||
Dec 8.868333
|
||
Distance 16.729
|
||
SpectralType "A7IV"
|
||
AppMag 0.77
|
||
|
||
RotationPeriod 10.4
|
||
SemiAxes [ 1 0.88 1 ] # equatorial radius 14% greater than polar
|
||
}
|
||
|
||
Barycenter "GJ 1116" # orbit of A & B unknown
|
||
{
|
||
RA 134.562083 # mass ratio 0.11:0.10
|
||
Dec 19.762724 #
|
||
Distance 17.059
|
||
}
|
||
|
||
"GJ 1116 A:EI Cnc"
|
||
{
|
||
RA 134.562083
|
||
Dec 19.761944
|
||
Distance 17.059
|
||
SpectralType "M5.5V"
|
||
AppMag 14.06
|
||
}
|
||
|
||
"GJ 1116 B:LP 426-40"
|
||
{
|
||
RA 134.562083
|
||
Dec 19.763611
|
||
Distance 17.059
|
||
SpectralType "M5.5V"
|
||
AppMag 14.92
|
||
}
|
||
|
||
"Giclas 99-49:GJ 3379"
|
||
{
|
||
RA 90.015000
|
||
Dec 2.705556
|
||
Distance 17.083
|
||
SpectralType "M3.5V"
|
||
AppMag 11.31
|
||
}
|
||
|
||
"LP 656-38:RECONS 3:GJ 3323"
|
||
{
|
||
RA 75.487500
|
||
Dec -6.946389
|
||
Distance 17.357
|
||
SpectralType "M3.5V"
|
||
AppMag 12.22
|
||
}
|
||
|
||
57544 # Gliese 445
|
||
{
|
||
RA 176.922500
|
||
Dec 78.691111
|
||
Distance 17.551
|
||
SpectralType "M3.5V"
|
||
AppMag 10.79
|
||
}
|
||
|
||
67155 # Lalande 25372
|
||
{
|
||
RA 206.432500
|
||
Dec 14.891389
|
||
Distance 17.706
|
||
SpectralType "M1.5V"
|
||
AppMag 8.46
|
||
}
|
||
|
||
103039 # LP 816-60
|
||
{
|
||
RA 313.137500
|
||
Dec -16.974722
|
||
Distance 17.906
|
||
SpectralType "M"
|
||
AppMag 11.41
|
||
}
|
||
|
||
Barycenter "Stein 2051:Gliese 169.1" # orbit of A & B unknown
|
||
{
|
||
RA 67.796397 # mass ratio 0.224:0.50
|
||
Dec 58.977167 #
|
||
Distance 18.057
|
||
}
|
||
|
||
21088 "Stein 2051 A:Gliese 169.1 A"
|
||
{
|
||
RA 67.799375
|
||
Dec 58.977167
|
||
Distance 18.057
|
||
SpectralType "M4V"
|
||
AppMag 11.04
|
||
}
|
||
|
||
"Stein 2051 B:Gliese 169.1 B"
|
||
{
|
||
RA 67.795063
|
||
Dec 58.977167
|
||
Distance 18.057
|
||
SpectralType "DC5"
|
||
AppMag 12.44
|
||
}
|
||
|
||
33226 # Wolf 294
|
||
{
|
||
RA 103.704167
|
||
Dec 33.268056
|
||
Distance 18.163
|
||
SpectralType "M3.0V"
|
||
AppMag 10.02
|
||
}
|
||
|
||
"2MASS 1835+3259"
|
||
{
|
||
RA 278.907917
|
||
Dec 32.998333
|
||
Distance 18.480
|
||
SpectralType "M8.5V"
|
||
AppMag 18.27
|
||
}
|
||
|
||
25878 # Wolf 1453
|
||
{
|
||
RA 82.864167
|
||
Dec -3.677222
|
||
Distance 18.620
|
||
SpectralType "M1.5V"
|
||
AppMag 7.95
|
||
}
|
||
|
||
"2MASS 0415-0935"
|
||
{
|
||
RA 63.83125
|
||
Dec -9.585
|
||
Distance 18.709
|
||
SpectralType "T8.5V"
|
||
AbsMag 38 # estimate
|
||
}
|
||
|
||
96100 # Sig Dra
|
||
{
|
||
RA 293.090000
|
||
Dec 69.661111
|
||
Distance 18.789
|
||
SpectralType "K0V"
|
||
AppMag 4.68
|
||
}
|
||
|
||
Barycenter "Luyten 668-21:LPM 230:Gliese 229" # orbit of A & B unknown
|
||
{
|
||
RA 92.644342 # mass ratio 0.556:0.05
|
||
Dec -21.863920 #
|
||
Distance 18.835
|
||
}
|
||
|
||
29295 "Luyten 668-21 A:LPM 230 A:Gliese 229 A"
|
||
{
|
||
RA 92.644167
|
||
Dec -21.864722
|
||
Distance 18.835
|
||
SpectralType "M1.0V"
|
||
AppMag 8.12
|
||
}
|
||
|
||
"Luyten 668-21 B:LPM 230 B:Gliese 229 B"
|
||
{
|
||
RA 92.646292
|
||
Dec -21.855000
|
||
Distance 18.835
|
||
SpectralType "T6.5V"
|
||
AbsMag 33 # very approx
|
||
}
|
||
|
||
86990 # Luyten 205-128
|
||
{
|
||
RA 266.642500
|
||
Dec -57.319167
|
||
Distance 18.997
|
||
SpectralType "M4.0V"
|
||
AppMag 10.75
|
||
}
|
||
|
||
Barycenter "Ross 652:Wolf 1055:Gliese 752" # orbit of A & B unknown
|
||
{
|
||
RA 289.232026 # mass ratio 0.494:0.073
|
||
Dec 5.166493 #
|
||
Distance 19.073
|
||
}
|
||
|
||
94761 "Ross 652 A:Wolf 1055 A:V1428 Aql:Gliese 752 A"
|
||
{
|
||
RA 289.230417
|
||
Dec 5.1688889
|
||
Distance 19.073
|
||
SpectralType "M3.5V"
|
||
AppMag 9.11
|
||
}
|
||
|
||
"Ross 652 B:Wolf 1055 B:Van Biesbroek's Star:VB 10:V1298 Aql:Gliese 752 B"
|
||
{
|
||
RA 289.242917
|
||
Dec 5.150278
|
||
Distance 19.073
|
||
SpectralType "M8.0V"
|
||
AppMag 17.50
|
||
}
|
||
|
||
26857 # Ross 47
|
||
{
|
||
RA 85.538750
|
||
Dec 12.489444
|
||
Distance 19.144
|
||
SpectralType "M4.0V"
|
||
AppMag 11.51
|
||
}
|
||
|
||
Barycenter "33 Lib:Gliese 570"
|
||
{
|
||
RA 224.363278 # mass ratio 0.76:(0.55+0.35)
|
||
Dec -21.413296 #
|
||
Distance 19.203
|
||
}
|
||
|
||
73184 "33 Lib A:Gliese 570 A" # fully specified orientation
|
||
{
|
||
OrbitBarycenter "33 Lib"
|
||
SpectralType "K5V"
|
||
AppMag 5.75
|
||
|
||
EllipticalOrbit {
|
||
Period 2130
|
||
SemiMajorAxis 103.23 # mass ratio 0.76:(0.55+0.35)
|
||
Eccentricity 0.2
|
||
Inclination 142.62
|
||
AscendingNode 191.56
|
||
ArgOfPericenter 129.2
|
||
MeanAnomaly 52.6
|
||
}
|
||
}
|
||
|
||
Barycenter "33 Lib B-C:Gliese 570 B-C" # fully specified orientation
|
||
{
|
||
OrbitBarycenter "33 Lib"
|
||
|
||
EllipticalOrbit {
|
||
Period 2130
|
||
SemiMajorAxis 87.17 # mass ratio 0.76:(0.55+0.35)
|
||
Eccentricity 0.2
|
||
Inclination 142.62
|
||
AscendingNode 191.56
|
||
ArgOfPericenter 309.2
|
||
MeanAnomaly 52.6
|
||
}
|
||
}
|
||
|
||
73182 "33 Lib B:Gliese 570 B"
|
||
{
|
||
OrbitBarycenter "33 Lib B-C"
|
||
SpectralType "M1V"
|
||
AppMag 8.28
|
||
|
||
EllipticalOrbit {
|
||
Period 0.84570
|
||
SemiMajorAxis 0.35 # mass ratio 0.55:0.35
|
||
Eccentricity 0.7559
|
||
Inclination 90.7
|
||
AscendingNode 30.5
|
||
ArgOfPericenter 221.92
|
||
MeanAnomaly 45.19
|
||
}
|
||
}
|
||
|
||
"33 Lib C:Gliese 570 C"
|
||
{
|
||
OrbitBarycenter "33 Lib B-C"
|
||
SpectralType "M3V"
|
||
AppMag 10.05
|
||
|
||
EllipticalOrbit {
|
||
Period 0.84570
|
||
SemiMajorAxis 0.54 # mass ratio 0.55:0.35
|
||
Eccentricity 0.7559
|
||
Inclination 90.7
|
||
AscendingNode 30.5
|
||
ArgOfPericenter 41.92
|
||
MeanAnomaly 45.19
|
||
}
|
||
}
|
||
|
||
"33 Lib D:Gliese 570 D"
|
||
{
|
||
RA 224.312500
|
||
Dec -21.363889
|
||
Distance 19.203
|
||
SpectralType "T8V"
|
||
AbsMag 38 # very approx
|
||
}
|
||
|
||
"Luyten 347-14:Gliese 754"
|
||
{
|
||
RA 290.200833
|
||
Dec -45.558889
|
||
Distance 19.296
|
||
SpectralType "M4.5V"
|
||
AppMag 12.23
|
||
}
|
||
|
||
117473 # Gliese 908
|
||
{
|
||
RA 357.302083
|
||
Dec 2.401111
|
||
Distance 19.356
|
||
SpectralType "M1.0V"
|
||
AppMag 8.99
|
||
}
|
||
|
||
Barycenter "Achird:ETA Cas:24 Cas:Gliese 34"
|
||
{
|
||
RA 12.27625
|
||
Dec 57.815278
|
||
Distance 19.371
|
||
}
|
||
|
||
3821 "Achird A:ETA Cas A:24 Cas A:Gliese 34 A"
|
||
{
|
||
OrbitBarycenter "Achird"
|
||
SpectralType "G3V"
|
||
AppMag 3.45
|
||
|
||
EllipticalOrbit {
|
||
Period 480
|
||
SemiMajorAxis 24.99 # mass ratio 1.11:0.60
|
||
Eccentricity 0.497
|
||
Inclination 152.19
|
||
AscendingNode 6.96
|
||
ArgOfPericenter 179.63
|
||
MeanAnomaly 82.80
|
||
}
|
||
}
|
||
|
||
"Achird B:ETA Cas B:24 Cas B:Gliese 34 B"
|
||
{
|
||
OrbitBarycenter "Achird"
|
||
SpectralType "K7.0V"
|
||
AppMag 7.51
|
||
|
||
EllipticalOrbit {
|
||
Period 480
|
||
SemiMajorAxis 46.24 # mass ratio 1.11:0.60
|
||
Eccentricity 0.497
|
||
Inclination 152.19
|
||
AscendingNode 6.96
|
||
ArgOfPericenter 359.63
|
||
MeanAnomaly 82.80
|
||
}
|
||
}
|
||
|
||
76074 # Gliese 588
|
||
{
|
||
RA 233.053750
|
||
Dec -41.275556
|
||
Distance 19.373
|
||
SpectralType "M3.0V"
|
||
AppMag 9.31
|
||
}
|
||
|
||
Barycenter "Luyten 722-22:GJ 1005"
|
||
{
|
||
RA 3.867083
|
||
Dec -16.133889
|
||
Distance 19.408
|
||
}
|
||
|
||
1242 "Luyten 722-22 A:GJ 1005 A"
|
||
{
|
||
OrbitBarycenter "Luyten 722-22"
|
||
SpectralType "M4.0V"
|
||
AppMag 11.58
|
||
|
||
EllipticalOrbit {
|
||
Period 4.566
|
||
SemiMajorAxis 0.62 # mass ratio 0.18:0.11
|
||
Eccentricity 0.364
|
||
Inclination 72.3
|
||
AscendingNode 85.2
|
||
ArgOfPericenter 169.4
|
||
MeanAnomaly 5.4
|
||
}
|
||
}
|
||
|
||
"Luyten 722-22 B:GJ 1005 B"
|
||
{
|
||
OrbitBarycenter "Luyten 722-22"
|
||
SpectralType "M7V"
|
||
AppMag 14.33
|
||
|
||
EllipticalOrbit {
|
||
Period 4.566
|
||
SemiMajorAxis 1.01 # mass ratio 0.18:0.11
|
||
Eccentricity 0.364
|
||
Inclination 72.3
|
||
AscendingNode 85.2
|
||
ArgOfPericenter 349.4
|
||
MeanAnomaly 5.4
|
||
}
|
||
}
|
||
|
||
37766 # Ross 882
|
||
{
|
||
RA 116.167500
|
||
Dec 3.552500
|
||
Distance 19.468
|
||
SpectralType "M4.0V"
|
||
AppMag 11.19
|
||
}
|
||
|
||
Barycenter "36 Oph:Gliese 663" # orbit of (AB) & C unknown
|
||
{
|
||
RA 258.901180 # mass ratio (0.85+0.85):0.7
|
||
Dec -26.586250 #
|
||
Distance 19.471
|
||
}
|
||
|
||
Barycenter "36 Oph A-B:Gliese 663 A-B"
|
||
{
|
||
RA 258.837500
|
||
Dec -26.602778
|
||
Distance 19.471
|
||
}
|
||
|
||
84405 "36 Oph A:Gliese 663 A"
|
||
{
|
||
OrbitBarycenter "36 Oph A-B"
|
||
SpectralType "K1V"
|
||
AppMag 5.07
|
||
|
||
EllipticalOrbit {
|
||
Period 470.9
|
||
SemiMajorAxis 38.8 # mass ratio 0.85:0.85
|
||
Eccentricity 0.916
|
||
Inclination 13.35
|
||
AscendingNode 348.86
|
||
ArgOfPericenter 271.0
|
||
MeanAnomaly 246.3
|
||
}
|
||
}
|
||
|
||
"36 Oph B:Gliese 663 B"
|
||
{
|
||
OrbitBarycenter "36 Oph A-B"
|
||
SpectralType "K1V"
|
||
AppMag 5.08
|
||
|
||
EllipticalOrbit {
|
||
Period 470.9
|
||
SemiMajorAxis 38.8 # mass ratio 0.85:0.85
|
||
Eccentricity 0.916
|
||
Inclination 13.35
|
||
AscendingNode 348.86
|
||
ArgOfPericenter 91.0
|
||
MeanAnomaly 246.3
|
||
}
|
||
}
|
||
|
||
84478 # 36 Oph C
|
||
{
|
||
RA 259.055833
|
||
Dec -26.546111
|
||
Distance 19.471
|
||
SpectralType "K5V"
|
||
AppMag 6.33
|
||
}
|
||
|
||
Barycenter "Gliese 783:CD-36 13940:J Herschel 5173:HJ 5173" # orbit of A & B unknown
|
||
{
|
||
RA 302.798770 # mass ratio 0.82:0.20
|
||
Dec -36.097603 #
|
||
Distance 19.728
|
||
}
|
||
|
||
99461 "Gliese 783 A:CD-36 13940 A:J Herschel 5173 A:HJ 5173 A"
|
||
{
|
||
RA 302.79837
|
||
Dec -36.097385
|
||
Distance 19.728
|
||
SpectralType "K3V"
|
||
AppMag 5.32
|
||
}
|
||
|
||
"Gliese 783 B:CD-36 13940 B:J Herschel 5173 B:HJ 5173 B"
|
||
{
|
||
RA 302.8004
|
||
Dec -36.09849
|
||
Distance 19.728
|
||
SpectralType "M4.0V"
|
||
AppMag 11.50
|
||
}
|
||
|
||
15510 # 82 Eri
|
||
{
|
||
RA 49.981667
|
||
Dec -43.069722
|
||
Distance 19.766
|
||
SpectralType "G5V"
|
||
AppMag 4.26
|
||
}
|
||
|
||
"LP 44-113:GJ 1221"
|
||
{
|
||
RA 267.027917
|
||
Dec 70.874722
|
||
Distance 19.804
|
||
SpectralType "DXP9"
|
||
AppMag 14.12
|
||
}
|
||
|
||
99240 # Del Pav
|
||
{
|
||
RA 302.181667
|
||
Dec -66.181944
|
||
Distance 19.915
|
||
SpectralType "G8IV"
|
||
AppMag 3.56
|
||
}
|
||
|
||
# Delfosse, X. et al. (1999) "New Neighbours I: 13 new
|
||
# companions to nearby M dwarfs" A&A, 344, 897
|
||
# (http://aa.springer.de/papers/9344003/2300897/small.htm)
|
||
Barycenter "Ross 986:Gliese 268"
|
||
{
|
||
RA 107.5075
|
||
Dec 38.529444
|
||
Distance 20.019
|
||
}
|
||
|
||
34603 "Ross 986 A:QY Aur:Gliese 268 A"
|
||
{
|
||
OrbitBarycenter "Ross 986"
|
||
SpectralType "M5V"
|
||
AppMag 12.05
|
||
|
||
EllipticalOrbit {
|
||
Period 0.02856 # 10.43dy
|
||
SemiMajorAxis 0.03 # mass ratio 0.17:0.16
|
||
ArgOfPericenter 180
|
||
}
|
||
}
|
||
|
||
"Ross 986 B:Gliese 268 B"
|
||
{
|
||
OrbitBarycenter "Ross 986"
|
||
SpectralType "M6V"
|
||
AppMag 12.45
|
||
|
||
EllipticalOrbit {
|
||
Period 0.02856 # 10.43dy
|
||
SemiMajorAxis 0.03 # mass ratio 0.17:0.16
|
||
}
|
||
}
|
||
|
||
71253 # Gliese 555
|
||
{
|
||
RA 218.570000
|
||
Dec -12.519444
|
||
Distance 20.027
|
||
SpectralType "M3.5V"
|
||
AppMag 11.31
|
||
}
|
||
|
||
"2MASS 0937+2931"
|
||
{
|
||
RA 144.391667
|
||
Dec 29.516667
|
||
Distance 20.030
|
||
SpectralType "T6.0V"
|
||
AbsMag 33 # estimate
|
||
}
|
||
|
||
Barycenter "Struve 1321:Gliese 338"
|
||
{
|
||
RA 138.598959
|
||
Dec 52.775278
|
||
Distance 20.117
|
||
}
|
||
|
||
45343 "Struve 1321 A:Gliese 338 A"
|
||
{
|
||
OrbitBarycenter "Struve 1321"
|
||
SpectralType "K7V"
|
||
AppMag 7.62
|
||
|
||
EllipticalOrbit {
|
||
Period 975
|
||
SemiMajorAxis 51.58 # mass ratio 06:0.6
|
||
Eccentricity 0.28
|
||
Inclination 113
|
||
AscendingNode 13
|
||
ArgOfPericenter 276
|
||
MeanAnomaly 264
|
||
}
|
||
}
|
||
|
||
120005 "Struve 1321 B:Gliese 338 B"
|
||
{
|
||
OrbitBarycenter "Struve 1321"
|
||
SpectralType "K7V"
|
||
AppMag 7.71
|
||
|
||
EllipticalOrbit {
|
||
Period 975
|
||
SemiMajorAxis 51.58 # mass ratio 06:0.6
|
||
Eccentricity 0.28
|
||
Inclination 113
|
||
AscendingNode 13
|
||
ArgOfPericenter 96
|
||
MeanAnomaly 264
|
||
}
|
||
}
|
||
|
||
99701 # Gliese 784
|
||
{
|
||
RA 303.472500
|
||
Dec -45.163889
|
||
Distance 20.236
|
||
SpectralType "M0.0V"
|
||
AppMag 7.96
|
||
}
|
||
|
||
74995 # Wolf 562
|
||
{
|
||
RA 229.861667
|
||
Dec -7.722222
|
||
Distance 20.476
|
||
SpectralType "M2.5V"
|
||
AppMag 10.56
|
||
}
|
||
|
||
Barycenter "Gliese 896"
|
||
{
|
||
RA 352.967500
|
||
Dec 19.937222
|
||
Distance 20.680
|
||
}
|
||
|
||
Barycenter "Gliese 896 A"
|
||
{
|
||
OrbitBarycenter "Gliese 896"
|
||
|
||
EllipticalOrbit {
|
||
Period 359
|
||
SemiMajorAxis 15.12 # mass ratio (0.34+0.13):(0.16+0.09)
|
||
Eccentricity 0.2
|
||
Inclination 19.6
|
||
AscendingNode 138.8
|
||
ArgOfPericenter 119.1
|
||
MeanAnomaly 352.0
|
||
}
|
||
}
|
||
|
||
Barycenter "Gliese 896 B"
|
||
{
|
||
OrbitBarycenter "Gliese 896"
|
||
|
||
EllipticalOrbit {
|
||
Period 359
|
||
SemiMajorAxis 28.44 # mass ratio (0.34+0.13):(0.16+0.09)
|
||
Eccentricity 0.2
|
||
Inclination 19.6
|
||
AscendingNode 138.8
|
||
ArgOfPericenter 299.1
|
||
MeanAnomaly 352.0
|
||
}
|
||
}
|
||
|
||
116132 "Gliese 896 Aa:EQ Peg"
|
||
{
|
||
OrbitBarycenter "Gliese 896 A"
|
||
SpectralType "M3.5V"
|
||
AppMag 10.26
|
||
|
||
EllipticalOrbit {
|
||
Period 3.5 # "of the order of a few years"
|
||
SemiMajorAxis 0.5 # mass ratio 0.34:0.13
|
||
ArgOfPericenter 180
|
||
Inclination 20 # to match orbital plane
|
||
AscendingNode 140 # of system
|
||
}
|
||
|
||
}
|
||
|
||
"Gliese 896 Ab"
|
||
{
|
||
OrbitBarycenter "Gliese 896 A"
|
||
SpectralType "M7V" # from apparent magnitude
|
||
AppMag 13.26
|
||
|
||
EllipticalOrbit {
|
||
Period 3.5 # "of the order of a few years"
|
||
SemiMajorAxis 1.2 # mass ratio 0.34:0.13
|
||
Inclination 20 # to match orbital plane
|
||
AscendingNode 140 # of system
|
||
}
|
||
}
|
||
|
||
"Gliese 896 Ba"
|
||
{
|
||
OrbitBarycenter "Gliese 896 B"
|
||
SpectralType "M4.5V"
|
||
AppMag 12.40
|
||
|
||
EllipticalOrbit {
|
||
Period 4.1 # "of the order of a few years"
|
||
SemiMajorAxis 0.6 # mass ratio 0.16:0.09
|
||
ArgOfPericenter 180
|
||
Inclination 20 # to match orbital plane
|
||
AscendingNode 140 # of system
|
||
}
|
||
}
|
||
|
||
"Gliese 896 Bb"
|
||
{
|
||
OrbitBarycenter "Gliese 896 B"
|
||
SpectralType "M9V" # from apparent magnitude
|
||
AppMag 15.40
|
||
|
||
EllipticalOrbit {
|
||
Period 4.1 # "of the order of a few years"
|
||
SemiMajorAxis 1.0 # mass ratio 0.16:0.09
|
||
Inclination 20 # to match orbital plane
|
||
AscendingNode 140 # of system
|
||
}
|
||
}
|
||
|
||
"LHS 2090:LP 368-128"
|
||
{
|
||
RA 135.098333
|
||
Dec 21.834722
|
||
Distance 20.792
|
||
SpectralType "M6.0V"
|
||
AppMag 16.1
|
||
}
|
||
|
||
"LHS 337:Luyten 471-42:GJ 3737"
|
||
{
|
||
RA 189.704583
|
||
Dec -38.381667
|
||
Distance 20.844
|
||
SpectralType "M4.0V"
|
||
AppMag 12.74
|
||
}
|
||
|
||
Barycenter "Gliese 661:BD+45 2505"
|
||
{
|
||
RA 258.032917
|
||
Dec 45.665833
|
||
Distance 20.865
|
||
}
|
||
|
||
84140 "Gliese 661 A:BD+45 2505 A"
|
||
{
|
||
OrbitBarycenter "Gliese 661"
|
||
SpectralType "M3V"
|
||
AppMag 9.93
|
||
|
||
EllipticalOrbit {
|
||
Period 12.9512
|
||
SemiMajorAxis 2.23 # mass ratio 0.39:0.33
|
||
Eccentricity 0.743
|
||
Inclination 25.8
|
||
AscendingNode 59.0
|
||
ArgOfPericenter 144.9
|
||
MeanAnomaly 249.3
|
||
}
|
||
}
|
||
|
||
"Gliese 661 B:BD+45 2505 B"
|
||
{
|
||
OrbitBarycenter "Gliese 661"
|
||
SpectralType "M4V"
|
||
AppMag 10.35
|
||
|
||
EllipticalOrbit {
|
||
Period 12.9512
|
||
SemiMajorAxis 2.64 # mass ratio 0.39:0.33
|
||
Eccentricity 0.743
|
||
Inclination 25.8
|
||
AscendingNode 59.0
|
||
ArgOfPericenter 324.9
|
||
MeanAnomaly 249.3
|
||
}
|
||
}
|
||
|
||
"LP 914-54:GJ 3877"
|
||
{
|
||
RA 224.160417
|
||
Dec -28.164167
|
||
Distance 20.868
|
||
SpectralType "M7.0V"
|
||
AppMag 17.05
|
||
}
|
||
|
||
"Giclas 180-60:GJ 3959"
|
||
{
|
||
RA 247.826667
|
||
Dec 40.865000
|
||
Distance 20.908
|
||
SpectralType "M"
|
||
AppMag 14.79
|
||
}
|
||
|
||
"LP 658-2:Gliese 223.2"
|
||
{
|
||
RA 88.790417
|
||
Dec -4.171389
|
||
Distance 21.043
|
||
SpectralType "DZ9"
|
||
AppMag 14.45
|
||
}
|
||
|
||
# Delfosse, X. et al. (1999) "New Neighbours I: 13 new
|
||
# companions to nearby M dwarfs" A&A, 344, 897
|
||
# (http://aa.springer.de/papers/9344003/2300897/small.htm)
|
||
# Mazeh, T. et al. (2001) "Studies of multiple stellar systems - IV. The
|
||
# triple-lined spectroscopic system Gliese 644" MNRAS, 325, 343.
|
||
# (http://arxiv.org/PS_cache/astro-ph/pdf/0102/0102451.pdf)
|
||
Barycenter "Wolf 630:Gliese 644" # orbit of (AB) & C unknown
|
||
{
|
||
RA 253.872065 # mass ratio (0.41+0.34+0.30):0.08
|
||
Dec -8.340499 #
|
||
Distance 21.047
|
||
}
|
||
|
||
Barycenter "Wolf 630 A-B:Gliese 644 A-B"
|
||
{
|
||
RA 253.870000
|
||
Dec -8.336389
|
||
Distance 21.047
|
||
}
|
||
|
||
82817 "Wolf 630 A:Gliese 644 A:V1054 Oph"
|
||
{
|
||
OrbitBarycenter "Wolf 630 A-B"
|
||
SpectralType "M2.5V"
|
||
AppMag 9.72
|
||
|
||
EllipticalOrbit { # fully specified orientation
|
||
Period 1.71727
|
||
SemiMajorAxis 0.86 # mass ratio 0.45:(0.34+0.30)
|
||
Eccentricity 0.043
|
||
Inclination 69.7
|
||
AscendingNode 0.1
|
||
ArgOfPericenter 224.0
|
||
MeanAnomaly 325.6
|
||
}
|
||
}
|
||
|
||
Barycenter "Wolf 630 B:Gliese 644 B"
|
||
{
|
||
OrbitBarycenter "Wolf 630 A-B"
|
||
|
||
EllipticalOrbit { # fully specified orientation
|
||
Period 1.71727
|
||
SemiMajorAxis 0.60 # mass ratio 0.45:(0.34+0.30)
|
||
Eccentricity 0.0433
|
||
Inclination 69.7
|
||
AscendingNode 0.1
|
||
ArgOfPericenter 44.0
|
||
MeanAnomaly 325.6
|
||
}
|
||
}
|
||
|
||
"Wolf 630 Ba:Gliese 644 Ba"
|
||
{
|
||
OrbitBarycenter "Wolf 630 B"
|
||
SpectralType "M3V"
|
||
AppMag 10.54
|
||
|
||
EllipticalOrbit {
|
||
Period 0.008119 # 2.965522 dy
|
||
SemiMajorAxis 0.017 # mass ratio 0.34:0.30
|
||
Eccentricity 0.026
|
||
Inclination 70 # orbit of Bab said to be
|
||
AscendingNode 0 # in same plane as AB
|
||
}
|
||
}
|
||
|
||
"Wolf 630 Bb:Gliese 644 Bb"
|
||
{
|
||
OrbitBarycenter "Wolf 630 B"
|
||
SpectralType "M4V"
|
||
AppMag 10.63
|
||
|
||
EllipticalOrbit {
|
||
Period 0.008119 # 2.965522 dy
|
||
SemiMajorAxis 0.018 # mass ratio 0.34:0.30
|
||
Eccentricity 0.026
|
||
Inclination 70 # orbit of Bab said to be
|
||
AscendingNode 0 # in same plane as AB
|
||
ArgOfPericenter 180
|
||
}
|
||
}
|
||
|
||
"Wolf 630 C:Gliese 644 C:VB 8"
|
||
{
|
||
RA 253.899167
|
||
Dec -8.394444
|
||
Distance 21.047
|
||
SpectralType "M7V"
|
||
AppMag 16.80
|
||
}
|
||
|
||
82809 "Wolf 629:Wolf 630 D:Gliese 643"
|
||
{
|
||
RA 253.855000
|
||
Dec -8.322500
|
||
Distance 21.047
|
||
SpectralType "M3.5V"
|
||
AppMag 11.74
|
||
}
|
||
|
||
114622 # Gliese 892
|
||
{
|
||
RA 348.320833
|
||
Dec 57.168333
|
||
Distance 21.261
|
||
SpectralType "K3V"
|
||
AppMag 5.56
|
||
}
|
||
|
||
"LHS 271:Luyten 100-115:GJ 1128"
|
||
{
|
||
RA 145.693333
|
||
Dec -68.885000
|
||
Distance 21.311
|
||
SpectralType "M4.5V"
|
||
AppMag 12.78
|
||
}
|
||
|
||
"Luyten 1190-34:GL Vir:GJ 1156"
|
||
{
|
||
RA 184.751250
|
||
Dec 11.125278
|
||
Distance 21.332
|
||
SpectralType "M5.0V"
|
||
AppMag 13.80
|
||
}
|
||
|
||
80459 # Gliese 625
|
||
{
|
||
RA 246.352500
|
||
Dec 54.304167
|
||
Distance 21.488
|
||
SpectralType "M1.5V"
|
||
AppMag 10.10
|
||
}
|
||
|
||
53767 # Ross 104
|
||
{
|
||
RA 165.017917
|
||
Dec 22.833056
|
||
Distance 21.721
|
||
SpectralType "M2.5V"
|
||
AppMag 10.02
|
||
}
|
||
|
||
# Delfosse, X. et al. (1999) "New Neighbours I: 13 new
|
||
# companions to nearby M dwarfs" A&A, 344, 897
|
||
# (http://aa.springer.de/papers/9344003/2300897/small.htm)
|
||
Barycenter "Ross 775:Gliese 829"
|
||
{
|
||
RA 322.403333
|
||
Dec 17.643333
|
||
Distance 22.001
|
||
}
|
||
|
||
106106 "Ross 775 A:Gliese 829 A"
|
||
{
|
||
OrbitBarycenter "Ross 775"
|
||
SpectralType "M3.5V"
|
||
AppMag 11.06
|
||
|
||
EllipticalOrbit {
|
||
Period 0.146 # 53.2dys
|
||
SemiMajorAxis 0.11 # estimated from mass ratio 0.26:0.26
|
||
ArgOfPericenter 180
|
||
}
|
||
}
|
||
|
||
"Ross 775 B:Gliese 829 B"
|
||
{
|
||
OrbitBarycenter "Ross 775"
|
||
SpectralType "M3.5V"
|
||
AppMag 11.06
|
||
|
||
EllipticalOrbit {
|
||
Period 0.146 # 53.2dys
|
||
SemiMajorAxis 0.11 # estimated from mass ratio 0.26:0.26
|
||
}
|
||
}
|
||
|
||
# Delfosse, X. et al. (1999) "New Neighbours I: 13 new
|
||
# companions to nearby M dwarfs" A&A, 344, 897
|
||
# (http://aa.springer.de/papers/9344003/2300897/small.htm)
|
||
Barycenter "Giclas 41-14:GJ 3522"
|
||
{
|
||
RA 134.734583
|
||
Dec 8.473889
|
||
Distance 22.089
|
||
}
|
||
|
||
Barycenter "Giclas 41-14 A:GJ 3522 A"
|
||
{
|
||
OrbitBarycenter "Giclas 41-14"
|
||
|
||
EllipticalOrbit {
|
||
Period 11.8 # estimate
|
||
SemiMajorAxis 1.3 # from AB separation and mass ratio (0.19+0.17):0.17
|
||
}
|
||
}
|
||
|
||
"Giclas 41-14 Aa:GJ 3522 Aa"
|
||
{
|
||
OrbitBarycenter "Giclas 41-14 A"
|
||
SpectralType "M5.5V" # from estimated mass
|
||
AppMag 11.9
|
||
|
||
EllipticalOrbit {
|
||
Period 0.021 # 7.6dys
|
||
SemiMajorAxis 0.0255 # estimated from mass ratio 0.19:0.17
|
||
}
|
||
}
|
||
|
||
"Giclas 41-14 Ab:GJ 3522 Ab"
|
||
{
|
||
OrbitBarycenter "Giclas 41-14 A"
|
||
SpectralType "M6V" # from estimated mass
|
||
AppMag 12.1
|
||
|
||
EllipticalOrbit {
|
||
Period 0.021 # 7.6dys
|
||
SemiMajorAxis 0.0285 # estimated from mass ratio 0.19:0.17
|
||
ArgOfPericenter 180
|
||
}
|
||
}
|
||
|
||
"Giclas 41-14 B:GJ 3522 B"
|
||
{
|
||
OrbitBarycenter "Giclas 41-14"
|
||
SpectralType "M6V" # from mass
|
||
AppMag 12.3
|
||
|
||
EllipticalOrbit {
|
||
Period 11.8 # estimate
|
||
SemiMajorAxis 2.9 # from AB separation and mass ratio (0.19+0.17):0.17
|
||
ArgOfPericenter 180
|
||
}
|
||
}
|
||
|
||
Barycenter "XI Boo:37 Boo:Gliese 566"
|
||
{
|
||
RA 222.847500
|
||
Dec 19.100556
|
||
Distance 22.102
|
||
}
|
||
|
||
72659 "XI Boo A:37 Boo A:Gliese 566 A"
|
||
{
|
||
OrbitBarycenter "XI Boo"
|
||
SpectralType "G8V"
|
||
AppMag 4.70
|
||
|
||
EllipticalOrbit {
|
||
Period 151.505
|
||
SemiMajorAxis 13.93 # mass ratio 0.94:0.67
|
||
Eccentricity 0.512
|
||
Inclination 82
|
||
AscendingNode 270
|
||
ArgOfPericenter 159
|
||
MeanAnomaly 215
|
||
}
|
||
}
|
||
|
||
"XI Boo B:37 Boo B:Gliese 566 B"
|
||
{
|
||
OrbitBarycenter "XI Boo"
|
||
SpectralType "K4V"
|
||
AppMag 6.97
|
||
|
||
EllipticalOrbit {
|
||
Period 151.505
|
||
SemiMajorAxis 19.55 # mass ratio 0.94:0.67
|
||
Eccentricity 0.512
|
||
Inclination 82
|
||
AscendingNode 270
|
||
ArgOfPericenter 339
|
||
MeanAnomaly 215
|
||
}
|
||
}
|
||
|
||
53020 # Wolf 358
|
||
{
|
||
RA 162.717083
|
||
Dec 6.808056
|
||
Distance 22.187
|
||
SpectralType "M4.0V"
|
||
AppMag 11.67
|
||
}
|
||
|
||
"Ross 619:Gliese 299"
|
||
{
|
||
RA 122.989583
|
||
Dec 8.774444
|
||
Distance 22.294
|
||
SpectralType "M4.0V"
|
||
AppMag 12.82
|
||
}
|
||
|
||
113296 # Ross 671
|
||
{
|
||
RA 344.145000
|
||
Dec 16.553333
|
||
Distance 22.372
|
||
SpectralType "M1.5V"
|
||
AppMag 8.66
|
||
}
|
||
|
||
14101 "LP 771-95 A:Luyten 730-18:GJ 3192 A:RECONS 4"
|
||
{
|
||
RA 45.46411209
|
||
Dec -16.593372777
|
||
Distance 22.544
|
||
SpectralType "M3V"
|
||
AppMag 11.22
|
||
}
|
||
|
||
"LP 771-96:LP 771-95 B:GJ 3193"
|
||
{
|
||
RA 45.46547306
|
||
Dec -16.59479288
|
||
Distance 22.544
|
||
SpectralType "M3V"
|
||
AppMag 11.77
|
||
}
|
||
|
||
"LP 771-95 C"
|
||
{
|
||
RA 45.46432292
|
||
Dec -16.59359277
|
||
Distance 22.544
|
||
SpectralType "M5V"
|
||
AppMag 12.63
|
||
}
|
||
|
||
103096 # Gliese 809
|
||
{
|
||
RA 313.332500
|
||
Dec 62.154444
|
||
Distance 23.037
|
||
SpectralType "M0.0V"
|
||
AppMag 8.56
|
||
}
|
||
|
||
"Luyten 97-12:Gliese 293"
|
||
{
|
||
RA 118.311250
|
||
Dec -67.791944
|
||
Distance 23.099
|
||
SpectralType "DQ9"
|
||
AppMag 14.08
|
||
}
|
||
|
||
"GJ 1286"
|
||
{
|
||
RA 353.794583
|
||
Dec -2.390278
|
||
Distance 23.584
|
||
SpectralType "M5.5V"
|
||
AppMag 14.67
|
||
}
|
||
|
||
Barycenter "Gliese 667:CD-34 11626" # orbit of (AB) & C unknown
|
||
{
|
||
RA 259.742645 # mass ratio (0.75+0.65):0.35
|
||
Dec -34.991008 #
|
||
Distance 23.597
|
||
}
|
||
|
||
Barycenter "Gliese 667 A-B:CD-34 11626 A-B"
|
||
{
|
||
RA 259.741667
|
||
Dec -34.990000
|
||
Distance 23.597
|
||
}
|
||
|
||
84709 "Gliese 667 A:CD-34 11626 A"
|
||
{
|
||
OrbitBarycenter "Gliese 667 A-B"
|
||
SpectralType "K4V"
|
||
AppMag 5.90
|
||
|
||
EllipticalOrbit {
|
||
Period 42.15
|
||
SemiMajorAxis 6.08 # mass ratio 0.75:0.65
|
||
Eccentricity 0.58
|
||
Inclination 137
|
||
AscendingNode 305
|
||
ArgOfPericenter 184
|
||
MeanAnomaly 206
|
||
}
|
||
}
|
||
|
||
"Gliese 667 B:CD-34 11626 B"
|
||
{
|
||
OrbitBarycenter "Gliese 667 A-B"
|
||
SpectralType "K5V"
|
||
AppMag 5.90
|
||
|
||
EllipticalOrbit {
|
||
Period 42.15
|
||
SemiMajorAxis 7.01 # mass ratio 0.75:0.65
|
||
Eccentricity 0.58
|
||
Inclination 137
|
||
AscendingNode 305
|
||
ArgOfPericenter 4
|
||
MeanAnomaly 206
|
||
}
|
||
}
|
||
|
||
"Gliese 667 C:CD-34 11626 C"
|
||
{
|
||
RA 259.746250
|
||
Dec -34.994722
|
||
Distance 23.597
|
||
SpectralType "M1.5V"
|
||
AppMag 10.26
|
||
}
|
||
|
||
51317 # Ross 446
|
||
{
|
||
RA 157.231667
|
||
Dec 0.840833
|
||
Distance 23.700
|
||
SpectralType "M2.0V"
|
||
AppMag 9.63
|
||
}
|
||
|
||
"LP 71-165:GJ 4083"
|
||
{
|
||
RA 274.740417
|
||
Dec 66.192222
|
||
Distance 23.721
|
||
SpectralType "M4.5V"
|
||
AppMag 13.49
|
||
}
|
||
|
||
Barycenter "268 Cet:Gliese 105" # orbit of A & B unknown
|
||
{
|
||
RA 39.028451 # mass ratio (0.81+0.08):0.21
|
||
Dec 6.883803 #
|
||
Distance 23.811
|
||
}
|
||
|
||
Barycenter "268 Cet A:Gliese 105 A"
|
||
{
|
||
RA 39.020417
|
||
Dec 6.886667
|
||
Distance 23.811
|
||
}
|
||
|
||
12114 "268 Cet Aa:Gliese 105 Aa"
|
||
{
|
||
OrbitBarycenter "268 Cet A"
|
||
SpectralType "K3V"
|
||
AppMag 5.81
|
||
|
||
EllipticalOrbit {
|
||
Period 60
|
||
SemiMajorAxis 1.3 # mass ratio 0.81:0.08
|
||
Eccentricity 0.75
|
||
Inclination 82 # "nearly face-on orbit"
|
||
AscendingNode 310 #
|
||
}
|
||
}
|
||
|
||
"268 Cet Ab:Gliese 105 Ab"
|
||
{
|
||
OrbitBarycenter "268 Cet A"
|
||
SpectralType "M7.5V"
|
||
AppMag 16.90
|
||
|
||
EllipticalOrbit {
|
||
Period 60
|
||
SemiMajorAxis 13.7 # mass ratio 0.81:0.08
|
||
Eccentricity 0.75
|
||
Inclination 82 # "nearly face-on orbit"
|
||
AscendingNode 310 #
|
||
ArgOfPericenter 180
|
||
}
|
||
}
|
||
|
||
"268 Cet B:Gliese 105 B:BX Cet"
|
||
{
|
||
RA 39.062500
|
||
Dec 6.871667
|
||
Distance 23.811
|
||
SpectralType "M3.5V"
|
||
AppMag 11.66
|
||
}
|
||
|
||
"Luyten 788-34:GJ 4274"
|
||
{
|
||
RA 335.777500
|
||
Dec -17.606944
|
||
Distance 24.268
|
||
SpectralType "M4.5V"
|
||
AppMag 13.26
|
||
}
|
||
|
||
3765 # 96 Psc
|
||
{
|
||
RA 12.095833
|
||
Dec 5.280556
|
||
Distance 24.275
|
||
SpectralType "K1V"
|
||
AppMag 5.72
|
||
}
|
||
|
||
2021 # Bet Hyi
|
||
{
|
||
RA 6.437917
|
||
Dec -77.254167
|
||
Distance 24.366
|
||
SpectralType "G1IV"
|
||
AppMag 2.80
|
||
}
|
||
|
||
7981 # 107 Psc
|
||
{
|
||
RA 25.624167
|
||
Dec 20.268333
|
||
Distance 24.390
|
||
SpectralType "K1V"
|
||
AppMag 5.24
|
||
}
|
||
|
||
|
||
# Delfosse, X. et al. (1999) "New Neighbours I: 13 new
|
||
# companions to nearby M dwarfs" A&A, 344, 897
|
||
# (http://aa.springer.de/papers/9344003/2300897/small.htm)
|
||
Barycenter "Giclas 203-47:GJ 3991"
|
||
{
|
||
RA 257.381250
|
||
Dec 43.681111
|
||
Distance 24.478
|
||
}
|
||
|
||
83945 "Giclas 203-47 A:GJ 3991 A"
|
||
{
|
||
OrbitBarycenter "Giclas 203-47"
|
||
SpectralType "M3.5V"
|
||
AppMag 11.80
|
||
|
||
EllipticalOrbit {
|
||
Period 0.04 # 15 days
|
||
SemiMajorAxis 0.6 # estimated from mass ratio 0.3:0.5
|
||
Eccentricity 0.07
|
||
ArgOfPericenter 180
|
||
}
|
||
}
|
||
|
||
"Giclas 203-47 B:GJ 3991 B"
|
||
{
|
||
|
||
OrbitBarycenter "Giclas 203-47"
|
||
SpectralType "D"
|
||
AbsMag 13.7 # for a 0.5-solar-mass white dwarf
|
||
|
||
EllipticalOrbit {
|
||
Period 0.04 # 15 days
|
||
SemiMajorAxis 0.4 # estimated from mass ratio 0.3:0.5
|
||
Eccentricity 0.07
|
||
}
|
||
}
|
||
|
||
"GJ 1224"
|
||
{
|
||
RA 271.887083
|
||
Dec -15.964167
|
||
Distance 24.598
|
||
SpectralType "M4.5V"
|
||
AppMag 13.61
|
||
}
|
||
|
||
Barycenter "MU Cas:30 Cas:Gliese 53"
|
||
{
|
||
RA 17.068333
|
||
Dec 54.920278
|
||
Distance 24.603
|
||
}
|
||
|
||
5336 "MU Cas A:30 Cas A:Gliese 53 A"
|
||
{
|
||
OrbitBarycenter "MU Cas"
|
||
SpectralType "G5VI"
|
||
AppMag 5.17
|
||
|
||
EllipticalOrbit { # fully specified orientation
|
||
Period 21.43
|
||
SemiMajorAxis 0.28 # mass ratio 0.6:0.15
|
||
Eccentricity 0.61
|
||
Inclination 25.4
|
||
AscendingNode 336.4
|
||
ArgOfPericenter 316.6
|
||
MeanAnomaly 47.0
|
||
}
|
||
}
|
||
|
||
"MU Cas B:30 Cas B:Gliese 53 B"
|
||
{
|
||
OrbitBarycenter "MU Cas"
|
||
SpectralType "MVI"
|
||
AppMag 11.00
|
||
|
||
EllipticalOrbit { # fully specified orientation
|
||
Period 21.43
|
||
SemiMajorAxis 1.12 # mass ratio 0.6:0.15
|
||
Eccentricity 0.61
|
||
Inclination 25.4
|
||
AscendingNode 336.4
|
||
ArgOfPericenter 136.6
|
||
MeanAnomaly 47.0
|
||
}
|
||
}
|
||
|
||
65859 # Ross 490
|
||
{
|
||
RA 202.499167
|
||
Dec 10.376944
|
||
Distance 24.603
|
||
SpectralType "M1.0V"
|
||
AppMag 9.05
|
||
}
|
||
|
||
"Luyten 1813-21:GJ 3378"
|
||
{
|
||
RA 90.290417
|
||
Dec 59.598333
|
||
Distance 24.691
|
||
SpectralType "M3.5V"
|
||
AppMag 11.71
|
||
}
|
||
|
||
12781 # Ross 556
|
||
{
|
||
RA 41.064583
|
||
Dec 25.523333
|
||
Distance 24.879
|
||
SpectralType "M3.0V"
|
||
AppMag 10.55
|
||
}
|
||
|
||
113368 # Fomalhaut A
|
||
{
|
||
RA 344.412917
|
||
Dec -29.622222
|
||
Distance 24.978
|
||
SpectralType "A3V"
|
||
AppMag 1.15
|
||
}
|
||
|
||
113283 # Fomalhaut B
|
||
{
|
||
RA 344.100417
|
||
Dec -31.565556
|
||
Distance 24.978
|
||
SpectralType "K4V"
|
||
AppMag 6.46
|
||
}
|
||
|
||
|
||
61874 # Luyten 399-68
|
||
{
|
||
RA 190.192917
|
||
Dec -43.566667
|
||
Distance 24.990
|
||
SpectralType "M3.5V"
|
||
AppMag 12.24
|
||
}
|
||
|
||
85295 # Gliese 673<37>
|
||
{
|
||
RA 261.438333
|
||
Dec 2.111389
|
||
Distance 25.173
|
||
SpectralType "K7.0V"
|
||
AppMag 7.53
|
||
}
|
||
|
||
91262 # Vega<67>
|
||
{
|
||
RA 279.234583
|
||
Dec 38.783611
|
||
Distance 25.282
|
||
SpectralType "A0V"
|
||
AppMag 0.03
|
||
|
||
RotationPeriod 12.4
|
||
SemiAxes [ 1 0.81 1 ] # equatorial radius 23% greater than polar
|
||
|
||
Obliquity 28 # rotation pole points
|
||
EquatorAscendingNode 15 # towards solar system
|
||
}
|
||
|
||
Barycenter "Alula Australis:XI UMa:53 UMa:Gliese 423"
|
||
{
|
||
RA 169.54545
|
||
Dec 31.529134
|
||
Distance 27.294
|
||
}
|
||
|
||
Barycenter "Alula Australis A:XI UMa A:53 UMa A:Gliese 423 A"
|
||
{
|
||
OrbitBarycenter "Alula Australis"
|
||
|
||
EllipticalOrbit { # fully specified orientation
|
||
Period 59.878
|
||
SemiMajorAxis 9.30 # mass ratio (1.05+0.4):(1.05+0.08)
|
||
Eccentricity 0.398
|
||
Inclination 14.09
|
||
AscendingNode 192.13
|
||
ArgOfPericenter 9.69
|
||
MeanAnomaly 29.62
|
||
}
|
||
}
|
||
|
||
Barycenter "Alula Australis B:XI UMa B:53 UMa B:Gliese 423 B"
|
||
{
|
||
OrbitBarycenter "Alula Australis"
|
||
|
||
EllipticalOrbit { # fully specified orientation
|
||
Period 59.878
|
||
SemiMajorAxis 11.93 # mass ratio (1.05+0.4):(1.05+0.08)
|
||
Eccentricity 0.398
|
||
Inclination 14.09
|
||
AscendingNode 192.13
|
||
ArgOfPericenter 189.69
|
||
MeanAnomaly 29.62
|
||
}
|
||
}
|
||
|
||
55203 "Alula Australis Aa:XI UMa Aa:53 UMa Aa:Gliese 423 Aa"
|
||
{
|
||
OrbitBarycenter "Alula Australis A"
|
||
SpectralType "G0V"
|
||
AppMag 4.33
|
||
|
||
EllipticalOrbit { # fully specified orientation
|
||
Period 1.832
|
||
SemiMajorAxis 0.13 # mass ratio 1.05:0.4
|
||
Eccentricity 0.53
|
||
Inclination 137.0
|
||
AscendingNode 298.1
|
||
ArgOfPericenter 187.9
|
||
MeanAnomaly 133.8
|
||
}
|
||
}
|
||
|
||
"Alula Australis Ab:XI UMa Ab:53 UMa Ab:Gliese 423 Ab"
|
||
{
|
||
OrbitBarycenter "Alula Australis A"
|
||
SpectralType "M2V" # from estimated mass of 0.4
|
||
AbsMag 9.3 # for estimated spectral class
|
||
|
||
EllipticalOrbit { # fully specified orientation
|
||
Period 1.832
|
||
SemiMajorAxis 0.35 # mass ratio 1.05:0.4
|
||
Eccentricity 0.53
|
||
Inclination 137.0
|
||
AscendingNode 298.1
|
||
ArgOfPericenter 7.9
|
||
MeanAnomaly 133.8
|
||
}
|
||
}
|
||
|
||
"Alula Australis Ba:XI UMa Ba:53 UMa Ba:Gliese 423 Ba"
|
||
{
|
||
OrbitBarycenter "Alula Australis B"
|
||
SpectralType "G0V"
|
||
AppMag 4.8
|
||
|
||
EllipticalOrbit {
|
||
Period 0.0109 # 3.98dy
|
||
SemiMajorAxis 0.004 # mass ratio 1.05:0.08
|
||
Eccentricity 0
|
||
ArgOfPericenter 180
|
||
}
|
||
}
|
||
|
||
"Alula Australis Bb:XI UMa Bb:53 UMa Bb:Gliese 423 Bb"
|
||
{
|
||
OrbitBarycenter "Alula Australis B"
|
||
SpectralType "L" # brown dwarf
|
||
AbsMag 21 # for approximate radius in Celestia
|
||
|
||
EllipticalOrbit {
|
||
Period 0.0109 # 3.981dy
|
||
SemiMajorAxis 0.056 # mass ratio 1.05:0.08
|
||
Eccentricity 0
|
||
}
|
||
}
|
||
|
||
# Washington Multiplicity Catalog
|
||
# (http://ad.usno.navy.mil/wds/wmc/wmc_post191.html)
|
||
"Alula Australis C:XI UMa C:53 UMa C:Gliese 423 C"
|
||
{
|
||
RA 169.53272
|
||
Dec 31.539614
|
||
Distance 27.294
|
||
SpectralType "M7V" # from luminosity
|
||
AppMag 15
|
||
}
|
||
|
||
#======================================================
|
||
# Delfosse, X. et al. (1999) "New Neighbours I: 13 new
|
||
# companions to nearby M dwarfs" A&A, 344, 897
|
||
# (http://aa.springer.de/papers/9344003/2300897/small.htm)
|
||
# Newer RECONS parallax places system well beyond 25ly
|
||
Barycenter "GJ 2130" # orbit of A & B unknown
|
||
{
|
||
RA 266.556484 # mass ratio 0.3:(0.19+0.15)
|
||
Dec -32.102873 #
|
||
Distance 48.536
|
||
}
|
||
|
||
86961 # GJ 2130 A
|
||
{
|
||
RA 266.552500
|
||
Dec -32.103611
|
||
Distance 48.536
|
||
SpectralType "M2V"
|
||
AppMag 10.49
|
||
}
|
||
|
||
86963 "GJ 2130 Ba:CD-32 13298 A"
|
||
{
|
||
RA 266.560000
|
||
Dec -32.102222
|
||
Distance 48.536
|
||
SpectralType "M5.5V" # from apparent magnitude
|
||
AppMag 11.75
|
||
}
|
||
|
||
"GJ 2130 Bb:CD-32 13298 B" #true separation of Bab not known
|
||
{
|
||
RA 266.5603
|
||
Dec -32.102222
|
||
Distance 48.536
|
||
SpectralType "M6.5V" # from apparent magnitude
|
||
AppMag 12.75
|
||
}
|