spacecruft
/
celestia
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity
celestia/data/nearstars.stc

2786 lines
52 KiB
Plaintext
Raw Blame History

This file contains invisible Unicode characters!

This file contains invisible Unicode characters that may be processed differently from what appears below. If your use case is intentional and legitimate, you can safely ignore this warning. Use the Escape button to reveal hidden characters.

# Nearby stars and star orbits out to 25 light years, supplementary
# to Celestia's stars.dat.
# Data are mainly derived from the RECONS survey tabulation at
# http://www.chara.gsu.edu/RECONS/TOP100.posted.htm. In particular, the
# distances given are derived from RECONS's weighted average parallaxes,
# rather than pure Hipparcos data. Additional definitions are provided
# for some stars within 25 light years which are beyond the limit of RECONS
# tabulation: these are non-Hipparcos stars, multiple stars, and stars
# with other known properties not present in stars.dat.
# Orbits are taken from Staffan Söderhjelm's "Visual binary orbits and
# masses post Hipparcos" A&A 1999; 34: 121-40
# (http://adsabs.harvard.edu/abs/1999A&A...341..121S), unless newer data
# have been found. If orbits don't appear in Söderhjelm, they have been
# taken from the Sixth Catalog of Orbits of Visual Binary Stars
# (http://ad.usno.navy.mil/wds/orb6.html) and the Ninth Catalogue of
# Spectroscopic Binary Orbits (http://sb9.astro.ulb.ac.be). Other sources
# appear as comments for individual star systems.
# For binary orbits, the direction of an orbit's node on the plane of the
# sky is often unknown - the orbits given below will appear correct when
# viewed from Earth, but the true orbit may be tilted either towards
# or away from the Earth.
# For a few orbits the nature of the node is known - these are
# marked with the phrase "fully specified orientation".
# Barycenter positions are based on mass estimates from Söderhjelm or RECONS:
# the figures used are added as comments below.
Barycenter "Solar System Barycenter:SSB"
{
RA 0
Dec 0
Distance 0
}
0 "Sol:Sun"
{
OrbitBarycenter "Solar System Barycenter"
CustomOrbit "vsop87-sun"
SpectralType "G2V"
AbsMag 4.83
UniformRotation
{
Period 609.12 # 25.38 days
Inclination 7.25
AscendingNode 75.77
MeridianAngle 23.00 # standard meridian
}
}
70890 # Proxima Cen
{
RA 217.429167
Dec -62.679444
Distance 4.242
SpectralType "M5.0V"
AppMag 11.05
}
Barycenter "Rigil Kentaurus:Toliman:ALF Cen:Gliese 559"
{
RA 219.899437 # mass ratio 1.12:0.93
Dec -60.835401 #
Distance 4.365
}
71683 # ALF Cen A
{
OrbitBarycenter "ALF Cen"
SpectralType "G2V"
AppMag 0.01
EllipticalOrbit {
Period 79.85
SemiMajorAxis 10.68 # mass ratio 1.12:0.93
Eccentricity 0.52
Inclination 82.22
AscendingNode 67.30
ArgOfPericenter 4.02
MeanAnomaly 200.13
}
}
71681 # ALF cen B
{
OrbitBarycenter "ALF Cen"
SpectralType "K0V"
AppMag 1.34
EllipticalOrbit {
Period 79.85
SemiMajorAxis 12.87 # mass ratio 1.12:0.93
Eccentricity 0.52
Inclination 82.22
AscendingNode 67.30
ArgOfPericenter 184.02
MeanAnomaly 200.13
}
}
87937 # Barnard's Star
{
RA 269.452083
Dec 4.693333
Distance 5.979
SpectralType "M3.5V"
AppMag 9.57
}
"CN Leo:Gliese 406:Wolf 359"
{
RA 164.121783
Dec 7.014722
Distance 7.782
SpectralType "M5.5V"
AppMag 13.53
}
54035 # Lalande 21185
{
RA 165.834167
Dec 35.970000
Distance 8.294
SpectralType "M2.0V"
AppMag 7.47
}
Barycenter 32349 "Sirius:Alhabor:ALF CMa:9 CMa:Gliese 244:ADS 5423"
{
RA 101.287083
Dec -16.716111
Distance 8.583
}
"Sirius A:Alhabor A:ALF CMa A:9 CMa A:Gliese 244 A:ADS 5423 A"
{
OrbitBarycenter "Sirius"
SpectralType "A1V"
AppMag -1.43
EllipticalOrbit { # fully specified orientation
Period 50.09
SemiMajorAxis 6.73 # mass ratio 1.99:1.03
Eccentricity 0.5923
Inclination 97.51
AscendingNode 161.33
ArgOfPericenter 4.56
MeanAnomaly 40.89
}
}
"Sirius B:Alhabor B:ALF CMa B:9 CMa B:Gliese 244 B:ADS 5423 B"
{
OrbitBarycenter "Sirius"
SpectralType "DA2"
AppMag 8.44
EllipticalOrbit { # fully specified orientation
Period 50.09
SemiMajorAxis 13.00 # mass ratio 1.99:1.03
Eccentricity 0.592
Inclination 97.51
AscendingNode 161.33
ArgOfPericenter 184.56
MeanAnomaly 40.89
}
}
Barycenter "Gliese 65:Luyten 726-8"
{
RA 24.755529
Dec -17.950278
Distance 8.728
}
"BL Cet:Gliese 65 A:Luyten 726-8 A"
{
OrbitBarycenter "Gliese 65"
SpectralType "M5.5V"
AppMag 12.61
EllipticalOrbit {
Period 26.52
SemiMajorAxis 2.61 # mass ratio 0.1:0.1
Eccentricity 0.62
Inclination 101.3
AscendingNode 159.5
ArgOfPericenter 39.7
MeanAnomaly 21.3
}
}
"UV Cet:Gliese 65 B:Luyten 726-8 B"
{
OrbitBarycenter "Gliese 65"
SpectralType "M6.0V"
AppMag 13.06
EllipticalOrbit {
Period 26.52
SemiMajorAxis 2.61 # mass ratio 0.1:0.1
Eccentricity 0.62
Inclination 101.3
AscendingNode 159.5
ArgOfPericenter 219.7
MeanAnomaly 21.3
}
}
92403 # Ross 154
{
RA 282.455833
Dec -23.836111
Distance 9.672
SpectralType "M3.5V"
AppMag 10.44
}
"HH And:Gliese 905:Ross 248"
{
RA 355.479875
Dec 44.177222
Distance 10.310
SpectralType "M5.5V"
AppMag 12.29
}
16537 # Eps Eri
{
RA 53.232500
Dec -9.458333
Distance 10.480
SpectralType "K2V"
AppMag 3.73
}
114046 # Lacaille 9352
{
RA 346.466667
Dec -35.853056
Distance 10.691
SpectralType "M1.0V"
AppMag 7.34
}
57548 # Ross 128
{
RA 176.935000
Dec 0.804444
Distance 10.940
SpectralType "M4.0V"
AppMag 11.16
}
# Delfosse, X. et al. (1999) "New Neighbours I: 13 new
# companions to nearby M dwarfs" A&A, 344, 897
# (http://arxiv.org/abs/astro-ph/9812008)
Barycenter "Gliese 866:Luyten 789-6"
{
RA 339.640833
Dec -15.300806
Distance 11.266
}
Barycenter "Gliese 866 A:Luyten 789-6 A"
{
OrbitBarycenter "Gliese 866"
EllipticalOrbit {
Period 2.2506
SemiMajorAxis 0.42 # mass ratio 0.106:(0.105+0.095)
Eccentricity 0.437
Inclination 96.2
AscendingNode 133.5
ArgOfPericenter 76.4
MeanAnomaly 241.7
}
}
"EZ Aqr:Gliese 866 Aa:Luyten 789-6 Aa"
{
OrbitBarycenter "Gliese 866 A"
SpectralType "M5.0V"
AppMag 13.03
EllipticalOrbit {
Period 0.010 # 3.8dys
SemiMajorAxis 0.013 # to match period and mass ratio 0.105:0.095
Inclination 96 # guess - to match plane of B
AscendingNode 133 # guess - to match plane of B
}
}
"Gliese 866 Ab:Luyten 789-6 Ab"
{
OrbitBarycenter "Gliese 866 A"
SpectralType "M6V" # from apparent magnitude
AppMag 15.07
EllipticalOrbit {
Period 0.010 # 3.8dys
SemiMajorAxis 0.014 # to match period and mass ratio 0.105:0.095
Inclination 96 # guess - to match plane of B
AscendingNode 133 # guess - to match plane of B
ArgOfPericenter 180
}
}
"Gliese 866 B:Luyten 789-6 B"
{
OrbitBarycenter "Gliese 866"
SpectralType "M5V" # from apparent magnitude
AppMag 13.27
EllipticalOrbit {
Period 2.2506
SemiMajorAxis 0.78 # mass ratio 0.106:(0.105+0.095)
Eccentricity 0.437
Inclination 96.2
AscendingNode 133.5
ArgOfPericenter 256.4
MeanAnomaly 241.7
}
}
Barycenter "61 Cyg:Gliese 820:ADS 14636"
{
RA 316.714507 # mass ratio 0.7:0.63
Dec 38.738139 #
Distance 11.401
}
104214 "61 Cyg A:V1803 Cyg:Gliese 820 A:ADS 14636 A"
{
OrbitBarycenter "61 Cyg"
SpectralType "K5V"
AppMag 5.20
EllipticalOrbit {
Period 659
SemiMajorAxis 40.40 # mass ratio 0.7:0.63
Eccentricity 0.48
Inclination 132
AscendingNode 165
ArgOfPericenter 195
MeanAnomaly 165
}
}
104217 "61 Cyg B:Gliese 820 B:ADS 14636 B"
{
OrbitBarycenter "61 Cyg"
SpectralType "K7V"
AppMag 6.03
EllipticalOrbit {
Period 659
SemiMajorAxis 44.90 # mass ratio 0.7:0.63
Eccentricity 0.48
Inclination 132
AscendingNode 165
ArgOfPericenter 15
MeanAnomaly 165
}
}
Barycenter 37279 "Procyon:Elgomaisa:ALF CMi:10 CMi:Gliese 280:ADS 6251"
{
RA 114.82724
Dec 5.2275076
Distance 11.438
}
"Procyon A:Elgomaisa A:ALF CMi A:10 CMi A:Gliese 280 A:ADS 6251 A"
{
OrbitBarycenter "Procyon"
SpectralType "F5IV"
AppMag 0.37
EllipticalOrbit {
Period 40.82
SemiMajorAxis 4.13 # mass ratio 1.57:0.6
Eccentricity 0.407
Inclination 42.9
AscendingNode 27.8
ArgOfPericenter 88.4
MeanAnomaly 282.5
}
}
"Procyon B:Elgomaisa B:ALF CMi B:10 CMi B:Gliese 280 B:ADS 6251 B"
{
OrbitBarycenter "Procyon"
SpectralType "DA"
AppMag 10.70
EllipticalOrbit {
Period 40.82
SemiMajorAxis 10.80 # mass ratio 1.57:0.6
Eccentricity 0.407
Inclination 42.9
AscendingNode 27.8
ArgOfPericenter 268.4
MeanAnomaly 282.5
}
}
Barycenter "Gliese 725:ADS 11632:Struve 2398"
{
RA 280.701371 # mass ratio 0.35:0.26
Dec 59.624455 #
Distance 11.492
}
91768 "Gliese 725 A:ADS 11632 A:Struve 2398 A"
{
OrbitBarycenter "Gliese 725"
SpectralType "M3.0V"
AppMag 8.90
EllipticalOrbit {
Period 408
SemiMajorAxis 20.91 # mass ratio 0.35:0.26
Eccentricity 0.53
Inclination 112
AscendingNode 146.1
ArgOfPericenter 243.5
MeanAnomaly 198.5
}
}
91772 "Gliese 725 B:ADS 11632 B:Struve 2398 B"
{
OrbitBarycenter "Gliese 725"
SpectralType "M3.5V"
AppMag 9.69
EllipticalOrbit {
Period 408
SemiMajorAxis 28.14 # mass ratio 0.35:0.26
Eccentricity 0.53
Inclination 112
AscendingNode 146.1
ArgOfPericenter 63.5
MeanAnomaly 198.5
}
}
Barycenter 1475 "Gliese 15:ADS 246:Groombridge 34"
{
RA 4.595417
Dec 44.023056
Distance 11.654
}
"GX And:Gliese 15 A:ADS 246 A:Groombridge 34 A"
{
OrbitBarycenter "Groombridge 34"
SpectralType "M1.5V"
AppMag 8.08
EllipticalOrbit {
Period 2600
SemiMajorAxis 36.1 # mass ratio 0.49:0.16
Eccentricity 0
Inclination 67.9
AscendingNode 308.4
MeanLongitude 23.0
}
}
"GQ And:Gliese 15 B:ADS 246 B:Groombridge 34 B"
{
OrbitBarycenter "Groombridge 34"
SpectralType "M3.5V"
AppMag 11.06
EllipticalOrbit {
Period 2600
SemiMajorAxis 110.7 # mass ratio 0.49:0.16
Eccentricity 0
Inclination 67.9
AscendingNode 308.4
MeanLongitude 203.0
}
}
Barycenter "EPS Ind:Gliese 845" # orbit of A & B components unknown
{
RA 330.841091 # mass ratio 0.77:(0.04+0.03)
Dec -56.780045
Distance 11.815
}
108870 "EPS Ind A:Gliese 845 A"
{
RA 330.82266
Dec -56.779804
Distance 11.815
SpectralType "K4V"
AppMag 4.68
}
# McCaughrean, M.J. et al.(2004) "Eps Indi Ba,Bb: The nearest binary
# brown dwarf" A&A 413, 1029.
# (http://arxiv.org/PS_cache/astro-ph/pdf/0309/0309256.pdf)
Barycenter "EPS Ind B:CI Ind:Gliese 845 B"
{
RA 331.043833
Dec -56.782694
Distance 11.815
}
"EPS Ind Ba:CI Ind A: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:CI Ind B: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:GJ 1111:Giclas 51-15"
{
RA 127.456125
Dec 26.775611
Distance 11.826
SpectralType "M6.0V"
AppMag 14.90
}
8102 # Tau Cet
{
RA 26.017083
Dec -15.937500
Distance 11.905
SpectralType "G8.5V"
AppMag 3.49
}
"GJ 1061:Luyten 372-58:RECONS 1"
{
RA 53.998750
Dec -44.512500
Distance 11.991
SpectralType "M5.0V"
AppMag 13.09
}
5643 # Luyten 725-032
{
RA 18.127500
Dec -16.999167
Distance 12.121
SpectralType "M4.0V"
AppMag 12.10
}
36208 # Luyten's Star
{
RA 111.852083
Dec 5.225833
Distance 12.251
SpectralType "M3.5V"
AppMag 9.85
}
# 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 J1845-6357:SCR 1845-6357:2MASS J18450541-6357475:2MASS 1845-6357"
{
RA 281.260833
Dec -63.964444
Distance 12.569
}
"SCR J1845-6357 A:SCR 1845-6357 A:2MASS J18450541-6357475 A:2MASS 1845-6357 A"
{
OrbitBarycenter "SCR J1845-6357"
SpectralType "M8.5V"
AppMag 17.40
EllipticalOrbit {
Period 23.5 # estimate
SemiMajorAxis 1.6 # estimated mass ratio 0.07:0.045
ArgOfPericenter 180
}
}
"SCR J1845-6357 B:SCR 1845-6357 B:2MASS J18450541-6357475 B:2MASS 1845-6357 B"
{
OrbitBarycenter "SCR J1845-6357"
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
}
}
"Teegarden's Star:2MASS J02530084+1652532:2MASS 0253+1652:SO J025300.5+165258:SO 0253+1652"
{
RA 43.253613
Dec 16.881389
Distance 12.573
SpectralType "M6.5V"
AppMag 15.14
}
24186 # Kapteyn's Star
{
RA 77.919167
Dec -45.018333
Distance 12.757
SpectralType "M2.0VI"
AppMag 8.85
}
105090 # Lacaille 8760
{
RA 319.313750
Dec -38.867500
Distance 12.869
SpectralType "K9.0V"
AppMag 6.67
}
"DENIS 1048-3956:RECONS 2:2MASS J10481463-3956062:2MASS 1048-3956"
{
Texture "browndwarf.*"
RA 162.061250
Dec -39.935000
Distance 13.124
SpectralType "M8.5V"
AppMag 17.39
}
Barycenter 110893 "Gliese 860:ADS 15972:Kruger 60"
{
RA 336.997917
Dec 57.695833
Distance 13.149
}
"Gliese 860 A:ADS 15972 A:Kruger 60 A"
{
OrbitBarycenter "Kruger 60"
SpectralType "M3.0V"
AppMag 9.79
EllipticalOrbit {
Period 44.64
SemiMajorAxis 3.53 # mass ratio 0.30:0.17
Eccentricity 0.41
Inclination 34.04
AscendingNode 120.09
ArgOfPericenter 269.84
MeanAnomaly 239.52
}
}
"DO Cep:Gliese 860 B:ADS 15972 B:Kruger 60 B"
{
OrbitBarycenter "Kruger 60"
SpectralType "M4.0V"
AppMag 11.41
EllipticalOrbit {
Period 44.64
SemiMajorAxis 6.23 # mass ratio 0.30:0.17
Eccentricity 0.41
Inclination 34.04
AscendingNode 120.09
ArgOfPericenter 89.84
MeanAnomaly 239.52
}
}
Barycenter 30920 "Gliese 234:Ross 614"
{
RA 97.347500
Dec -2.813889
Distance 13.343
}
"V577 Mon:Gliese 234 A:Ross 614 A"
{
OrbitBarycenter "Ross 614"
SpectralType "M4.5V"
AppMag 11.18
EllipticalOrbit {
Period 16.5
SemiMajorAxis 1.31 # mass ratio 0.22:0.09
Eccentricity 0.38
Inclination 54.18
AscendingNode 71.17
ArgOfPericenter 130.67
MeanAnomaly 0.00
}
}
"Gliese 234 B:Ross 614 B"
{
OrbitBarycenter "Ross 614"
SpectralType "M7V"
AppMag 14.26
EllipticalOrbit {
Period 16.5
SemiMajorAxis 3.19 # mass ratio 0.22:0.09
Eccentricity 0.38
Inclination 54.18
AscendingNode 71.17
ArgOfPericenter 310.67
MeanAnomaly 0.00
}
}
# The discovery of a very cool, very nearby brown dwarf
# in the Galactic plane. Lucas et al. http://arxiv.org/abs/1004.0317v2
"UGPS 0722-05:UGPS J0722-05:UGPS J072227.51-054031.2"
{
RA 110.613750
Dec -5.675000
Distance 13.367
SpectralType "T9.5" # actually T10
AppMag 36 # for approximate radius in Celestia
}
80824 # Wolf 1061
{
RA 247.575417
Dec -12.662500
Distance 13.916
SpectralType "M3.5V"
AppMag 10.10
}
3829 # van Maanen's Star
{
RA 12.291250
Dec 5.388611
Distance 14.017
SpectralType "DZ7"
AppMag 12.40
}
439 # Cordoba 32416
{
RA 1.351667
Dec -37.357500
Distance 14.161
SpectralType "M1.5V"
AppMag 8.54
}
Barycenter "Gliese 473:Wolf 424"
{
RA 188.321667
Dec 9.020833
Distance 14.312
}
"Gliese 473 A:Wolf 424 A"
{
OrbitBarycenter "Wolf 424"
SpectralType "M5.0V"
AppMag 13.25
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
}
}
"FL Vir:Gliese 473 B:Wolf 424 B"
{
OrbitBarycenter "Wolf 424"
SpectralType "M5.0V"
AppMag 13.24
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
}
}
"TZ Ari:Gliese 83.1:Luyten 1159-16"
{
RA 30.055000
Dec 13.052222
Distance 14.509
SpectralType "M4.0V"
AppMag 12.31
}
86162 # Gliese 687
{
RA 264.107917
Dec 68.339167
Distance 14.794
SpectralType "M3.0V"
AppMag 9.17
}
"GJ 3622:LP 731-58"
{
RA 162.052500
Dec -11.337222
Distance 14.805
SpectralType "M6.5V"
AppMag 15.73
}
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
}
"V1581 Cyg:GJ 1245 Aa"
{
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
}
85523 # Gliese 674
{
RA 262.166250
Dec -46.895278
Distance 14.818
SpectralType "M2.5V"
AppMag 9.37
}
57367 # Luyten 145-141
{
RA 176.428750
Dec -64.841389
Distance 15.092
SpectralType "DQ6"
AppMag 11.50
}
113020 # Ross 780
{
RA 343.319583
Dec -14.263611
Distance 15.208
SpectralType "M3.5V"
AppMag 10.18
}
"GJ 1002"
{
RA 1.682500
Dec -7.539444
Distance 15.313
SpectralType "M5.0V"
AppMag 13.77
}
"GJ 3618:Luyten 143-23"
{
RA 161.132500
Dec -61.193889
Distance 15.554
SpectralType "M5.5V"
AppMag 13.92
}
Barycenter 54211 "Gliese 412:Lalande 21258" # orbits of A & B unknown
{
RA 166.370443 # mass ratio 0.48:0.10
Dec 43.525816 #
Distance 15.859
}
"Gliese 412 A:Lalande 21258 A"
{
RA 166.369167
Dec 43.526667
Distance 15.859
SpectralType "M1.0V"
AppMag 8.77
}
"WX UMa:Gliese 412 B:Lalande 21258 B"
{
RA 166.376667
Dec 43.521667
Distance 15.859
SpectralType "M5.5V"
AppMag 14.44
}
49908 # Groombridge 1618
{
RA 152.842083
Dec 49.454167
Distance 15.869
SpectralType "K7.0V"
AppMag 6.59
}
"AD Leo:Gliese 388"
{
RA 154.901667
Dec 19.869444
Distance 15.942
SpectralType "M2.5V"
AppMag 9.29
}
106440 # Luyten 354-89
{
RA 323.391667
Dec -49.008889
Distance 16.144
SpectralType "M1.5V"
AppMag 8.66
}
"LP 944-20"
{
Texture "browndwarf.*"
RA 54.896667
Dec -35.428056
Distance 16.195
SpectralType "M9.0V"
AppMag 18.69
}
"DENIS 0255-4700:2MASS J02550357-4700509:2MASS 0255-4700"
{
RA 43.765417
Dec -47.014444
Distance 16.197
SpectralType "L7.5V"
AppMag 22.92
}
Barycenter 19849 "Keid:OMI2 Eri:40 Eri:Gliese 166:ADS 3093" # Orbits of A & (BC) unknown
{
RA 63.828351 # mass ratio 0.89:(0.5+0.20)
Dec -7.655829 #
Distance 16.255
}
"Keid A:OMI2 Eri A:40 Eri A:Gliese 166 A:ADS 3093 A"
{
RA 63.817917
Dec -7.652778
Distance 16.255
SpectralType "K0.5V"
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 16.255
}
"Keid B:OMI2 Eri B:40 Eri B:Gliese 166 B:ADS 3093 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:ADS 3093 C"
{
OrbitBarycenter "Keid B-C"
SpectralType "M4.0V"
AppMag 11.24
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 16.455
SpectralType "M3.5V"
AppMag 10.22
}
86214 # Gliese 682
{
RA 264.265417
Dec -44.319167
Distance 16.465
SpectralType "M4.0V"
AppMag 10.95
}
Barycenter 88601 "70 Oph:Gliese 702:ADS 11046:Struve 2272"
{
RA 271.363750
Dec 2.500000
Distance 16.644
}
"70 Oph A:Gliese 702 A:ADS 11046 A:Struve 2272 A"
{
OrbitBarycenter "70 Oph"
SpectralType "K0V"
AppMag 4.21
EllipticalOrbit {
Period 88.34
SemiMajorAxis 10.55 # mass ratio 0.88:0.73
Eccentricity 0.50
Inclination 116.40
AscendingNode 331.07
ArgOfPericenter 341.25
MeanAnomaly 63.90
}
}
"70 Oph B:Gliese 702 B:ADS 11046 B:Struve 2272 B"
{
OrbitBarycenter "70 Oph"
SpectralType "K5V"
AppMag 6.01
EllipticalOrbit {
Period 88.34
SemiMajorAxis 12.72 # mass ratio 0.88:0.73
Eccentricity 0.50
Inclination 116.40
AscendingNode 331.07
ArgOfPericenter 161.25
MeanAnomaly 63.90
}
}
97649 # Altair
{
RA 297.695833
Dec 8.868333
Distance 16.692
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
}
"EI Cnc:GJ 1116 A"
{
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
}
"GJ 3379:Giclas 99-49"
{
RA 90.015000
Dec 2.705556
Distance 17.097
SpectralType "M3.5V"
AppMag 11.31
}
"GJ 3323:LP 656-38:RECONS 3"
{
RA 75.487500
Dec -6.946389
Distance 17.357
SpectralType "M4.0V"
AppMag 12.22
}
# Leggett S.K. et al. (2009) "The phyical properties of four
# 600K T dwarfs." ApJ, 695, 1517.
# (http://arxiv.org/abs/0901.4093)
# unresolved binary; separation and orbit unknown
"2MASS J09393548-2448279 A:2MASS 0939-2448 A"
{
RA 144.897823
Dec -24.80775
Distance 17.414
SpectralType "T8V"
AbsMag 38 # estimate for radius in Celestia
}
"2MASS J09393548-2448279 B:2MASS 0939-2448 B"
{
RA 144.897843
Dec -24.80775
Distance 17.414
SpectralType "T8V"
AbsMag 38 # estimate for radius in Celestia
}
57544 # Gliese 445
{
RA 176.922500
Dec 78.691111
Distance 17.418
SpectralType "M3.5V"
AppMag 10.79
}
67155 # Lalande 25372
{
RA 206.432500
Dec 14.891389
Distance 17.657
SpectralType "M1.0V"
AppMag 8.46
}
Barycenter 21088 "Gliese 169.1:Stein 2051" # orbit of A & B unknown
{
RA 67.796397 # mass ratio 0.224:0.50
Dec 58.977167 #
Distance 18.068
}
"Gliese 169.1 A:Stein 2051 A"
{
RA 67.799375
Dec 58.977167
Distance 18.068
SpectralType "M4V"
AppMag 11.04
}
"Gliese 169.1 B:Stein 2051 B"
{
RA 67.795063
Dec 58.977167
Distance 18.068
SpectralType "DC5"
AppMag 12.43
}
33226 # Wolf 294
{
RA 103.704167
Dec 33.268056
Distance 18.313
SpectralType "M3.0V"
AppMag 10.02
}
"2MASS J18353790+3259545:2MASS 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 18.533
SpectralType "M1.0V"
AppMag 7.95
}
103039 # LP 816-60
{
RA 313.137500
Dec -16.974722
Distance 18.635
SpectralType "M3.5V"
AppMag 11.50
}
"2MASS J04151954-0935066:2MASS 0415-0935"
{
RA 63.83125
Dec -9.585
Distance 18.709
SpectralType "T8.0V"
AbsMag 38 # for approximate radius in Celestia
}
96100 # Sig Dra
{
RA 293.090000
Dec 69.661111
Distance 18.768
SpectralType "G9V"
AppMag 4.67
}
Barycenter 29295 "Gliese 229:Luyten 668-21:LPM 230" # orbit of A & B unknown
{
RA 92.644265 # mass ratio 0.556:0.05
Dec -21.864482 #
Distance 18.770
}
"Gliese 229 A:Luyten 668-21 A:LPM 230 A"
{
RA 92.644231
Dec -21.864643
Distance 18.770
SpectralType "M1.5V"
AppMag 8.14
}
"Gliese 229 B:Luyten 668-21 B:LPM 230 B"
{
RA 92.644643
Dec -21.862692
Distance 18.770
SpectralType "T6.0V"
AbsMag 33 # very approx
}
26857 # Ross 47
{
RA 85.538750
Dec 12.489444
Distance 19.018
SpectralType "M4.0V"
AppMag 11.57
}
86990 # Luyten 205-128
{
RA 266.642500
Dec -57.319167
Distance 19.063
SpectralType "M3.0V"
AppMag 10.76
}
Barycenter 94761 "Gliese 752:Ross 652:Wolf 1055" # orbit of A & B unknown
{
RA 289.232026 # mass ratio 0.494:0.073
Dec 5.166493 #
Distance 19.078
}
"V1428 Aql:Gliese 752 A:Ross 652 A:Wolf 1055 A"
{
RA 289.230417
Dec 5.1688889
Distance 19.078
SpectralType "M2.5V"
AppMag 9.10
}
"Van Biesbroek's Star:V1298 Aql:Gliese 752 B:Ross 652 B:Wolf 1055 B:VB 10"
{
RA 289.242917
Dec 5.150278
Distance 19.078
SpectralType "M8.0V"
AppMag 17.45
}
Barycenter "Gliese 570:ADS 9446"
{
RA 224.363404 # mass ratio 0.76:(0.49+0.34)
Dec -21.413381 #
Distance 19.116
}
73184 "KX Lib:Gliese 570 A:ADS 9446 A" # fully specified orientation
{
OrbitBarycenter "Gliese 570"
SpectralType "K4V"
AppMag 5.64
EllipticalOrbit {
Period 2130
SemiMajorAxis 99.39 # mass ratio 0.76:(0.49+0.34)
Eccentricity 0.2
Inclination 142.62
AscendingNode 191.56
ArgOfPericenter 129.2
MeanAnomaly 52.6
}
}
Barycenter 73182 "Gliese 570 B-C" # fully specified orientation
{
OrbitBarycenter "Gliese 570"
EllipticalOrbit {
Period 2130
SemiMajorAxis 91.01 # mass ratio 0.76:(0.49+0.34)
Eccentricity 0.2
Inclination 142.62
AscendingNode 191.56
ArgOfPericenter 309.2
MeanAnomaly 52.6
}
}
"Gliese 570 B:ADS 9446 B"
{
OrbitBarycenter "Gliese 570 B-C"
SpectralType "M1.5V"
AppMag 8.30
EllipticalOrbit {
Period 0.847
SemiMajorAxis 0.34 # mass ratio 0.49:0.34
Eccentricity 0.76
Inclination 93.84
AscendingNode 246.91
ArgOfPericenter 214.71
MeanAnomaly 34.00
}
}
"Gliese 570 C:ADS 9446 C"
{
OrbitBarycenter "Gliese 570 B-C"
SpectralType "M3V"
AppMag 9.96
EllipticalOrbit {
Period 0.847
SemiMajorAxis 0.48 # mass ratio 0.49:0.34
Eccentricity 0.76
Inclination 93.84
AscendingNode 246.91
ArgOfPericenter 34.71
MeanAnomaly 34.00
}
}
"Gliese 570 D:ADS 9446 D"
{
RA 224.312500
Dec -21.363889
Distance 19.116
SpectralType "T7V"
AbsMag 38 # very approx
}
"Gliese 754:Luyten 347-14"
{
RA 290.200833
Dec -45.558889
Distance 19.280
SpectralType "M4.0V"
AppMag 12.23
}
76074 # Gliese 588
{
RA 233.053750
Dec -41.275556
Distance 19.355
SpectralType "M2.5V"
AppMag 9.31
}
Barycenter 1242 "GJ 1005:Luyten 722-22"
{
RA 3.867083
Dec -16.133889
Distance 19.374
}
"GJ 1005 A:Luyten 722-22 A"
{
OrbitBarycenter "Luyten 722-22"
SpectralType "M3.5V"
AppMag 11.60
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
}
}
"GJ 1005 B:Luyten 722-22 B"
{
OrbitBarycenter "Luyten 722-22"
SpectralType "M7V"
AppMag 14.02
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
}
}
Barycenter 3821 "Achird:ETA Cas:24 Cas:Gliese 34:ADS 671"
{
RA 12.27625
Dec 57.815278
Distance 19.388
}
"Achird A:ETA Cas A:24 Cas A:Gliese 34 A:ADS 671 A"
{
OrbitBarycenter "Achird"
SpectralType "G3V"
AppMag 3.46
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:ADS 671 B"
{
OrbitBarycenter "Achird"
SpectralType "K7.0V"
AppMag 7.21
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
}
}
Barycenter "36 Oph:Gliese 663:ADS 10417" # orbit of (AB) & C unknown
{
RA 258.901180 # mass ratio (0.85+0.85):0.7
Dec -26.586250 #
Distance 19.401
}
Barycenter 84405 "36 Oph A-B:Gliese 663 A-B"
{
RA 258.837500
Dec -26.602778
Distance 19.401
}
"36 Oph A:Gliese 663 A:ADS 10417 A"
{
OrbitBarycenter "36 Oph A-B"
SpectralType "K1.5V"
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:ADS 10417 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:V2215 Oph:Gliese 664:Gliese 663 C:ADS 10417 C"
{
RA 259.055833
Dec -26.546111
Distance 19.401
SpectralType "K5V"
AppMag 6.32
}
117473 # Gliese 908
{
RA 357.302083
Dec 2.401111
Distance 19.412
SpectralType "M1.0V"
AppMag 8.98
}
37766 # Ross 882
{
RA 116.167500
Dec 3.552500
Distance 19.509
SpectralType "M4.0V"
AppMag 11.19
}
Barycenter 99461 "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 19.618
}
"Gliese 783 A:CD-36 13940 A:J Herschel 5173 A:HJ 5173 A"
{
RA 302.79837
Dec -36.097385
Distance 19.618
SpectralType "K2.5V"
AppMag 5.31
}
"Gliese 783 B:CD-36 13940 B:J Herschel 5173 B:HJ 5173 B"
{
RA 302.8004
Dec -36.09849
Distance 19.618
SpectralType "M4.0V"
AppMag 11.50
}
15510 # 82 Eri
{
RA 49.981667
Dec -43.069722
Distance 19.711
SpectralType "G8V"
AppMag 4.26
}
"GJ 1221:LP 44-113"
{
RA 267.027917
Dec 70.874722
Distance 19.804
SpectralType "DXP9"
AppMag 14.22
}
Barycenter "Gliese 338:ADS 7251:Struve 1321"
{
RA 138.598959
Dec 52.775278
Distance 19.921
}
45343 "Gliese 338 A:ADS 7251 A:Struve 1321 A"
{
OrbitBarycenter "Struve 1321"
SpectralType "M0V"
AppMag 7.64
EllipticalOrbit {
Period 975
SemiMajorAxis 51.58 # mass ratio 06:0.6
Eccentricity 0.28
Inclination 113
AscendingNode 13
ArgOfPericenter 276
MeanAnomaly 264
}
}
120005 "Gliese 338 B:ADS 7251 B:Struve 1321 B"
{
OrbitBarycenter "Struve 1321"
SpectralType "K7V"
AppMag 7.70
EllipticalOrbit {
Period 975
SemiMajorAxis 51.58 # mass ratio 06:0.6
Eccentricity 0.28
Inclination 113
AscendingNode 13
ArgOfPericenter 96
MeanAnomaly 264
}
}
99240 # Del Pav
{
RA 302.181667
Dec -66.181944
Distance 19.923
SpectralType "G8IV"
AppMag 3.55
}
# Delfosse, X. et al. (1999) "New Neighbours I: 13 new
# companions to nearby M dwarfs" A&A, 344, 897
# (http://arxiv.org/abs/astro-ph/9812008)
Barycenter 34603 "Gliese 268:Ross 986"
{
RA 107.5075
Dec 38.529444
Distance 19.960
}
"QY Aur:Gliese 268 A:Ross 986 A"
{
OrbitBarycenter "Ross 986"
SpectralType "M4.5V"
AppMag 12.05
EllipticalOrbit {
Period 0.02856 # 10.43dy
SemiMajorAxis 0.03 # mass ratio 0.17:0.16
ArgOfPericenter 180
}
}
"Gliese 268 B:Ross 986 B"
{
OrbitBarycenter "Ross 986"
SpectralType "M6V"
AppMag 12.45
EllipticalOrbit {
Period 0.02856 # 10.43dy
SemiMajorAxis 0.03 # mass ratio 0.17:0.16
}
}
"2MASS J09373487+2931409:2MASS 0937+2931"
{
RA 144.391667
Dec 29.516667
Distance 19.973
SpectralType "T6.0V"
AbsMag 33 # for approximate radius in Celestia
}
99701 # Gliese 784
{
RA 303.472500
Dec -45.163889
Distance 20.215
SpectralType "M0.0V"
AppMag 7.95
}
71253 # Gliese 555
{
RA 218.570000
Dec -12.519444
Distance 20.286
SpectralType "M4.0V"
AppMag 11.32
}
Barycenter 116132 "Gliese 896"
{
RA 352.967500
Dec 19.937222
Distance 20.401
}
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
}
}
"EQ Peg:Gliese 896 Aa"
{
OrbitBarycenter "Gliese 896 A"
SpectralType "M3.5V"
AppMag 10.27
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 12.21
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
}
}
74995 # Wolf 562
{
RA 229.861667
Dec -7.722222
Distance 20.669
SpectralType "M3.0V"
AppMag 10.57
}
"LHS 2090:LP 368-128"
{
RA 135.098333
Dec 21.834722
Distance 20.792
SpectralType "M6.0V"
AppMag 16.10
}
"LHS 337:Luyten 471-42:GJ 3737"
{
RA 189.704583
Dec -38.381667
Distance 20.804
SpectralType "M4.0V"
AppMag 12.75
}
Barycenter 84140 "Gliese 661:BD+45 2505"
{
RA 258.032917
Dec 45.665833
Distance 20.865
}
"Gliese 661 A:BD+45 2505 A"
{
OrbitBarycenter "Gliese 661"
SpectralType "M3V"
AppMag 9.93
EllipticalOrbit {
Period 12.96
SemiMajorAxis 2.43 # mass ratio 0.36:0.35
Eccentricity 0.75
Inclination 27.34
AscendingNode 65.56
ArgOfPericenter 138.70
MeanAnomaly 248.89
}
}
"Gliese 661 B:BD+45 2505 B"
{
OrbitBarycenter "Gliese 661"
SpectralType "M4V"
AppMag 10.35
EllipticalOrbit {
Period 12.96
SemiMajorAxis 2.50 # mass ratio 0.36:0.35
Eccentricity 0.75
Inclination 27.34
AscendingNode 65.56
ArgOfPericenter 318.70
MeanAnomaly 248.89
}
}
# Artigau E. et al. (2006) Discovery of the brightest T dwarf in the
# northern hemisphere." ApJ, 651, L57.
# (http://arxiv.org/abs/astro-ph/0609419)
"2MASS J01365662+0933473:2MASS 0136+0933:SIMP J013656.5+093347"
{
RA 24.235833
Dec 9.563056
Distance 20.874
SpectralType "T2.5V"
AbsMag 27 # for approximate radius in Celestia
}
"Gliese 223.2:LP 658-2"
{
RA 88.790417
Dec -4.171389
Distance 20.901
SpectralType "DZ9"
AppMag 14.47
}
"GJ 3959:Giclas 180-60"
{
RA 247.826667
Dec 40.865000
Distance 20.908
SpectralType "M5.0V"
AppMag 14.76
}
# Delfosse, X. et al. (1999) "New Neighbours I: 13 new
# companions to nearby M dwarfs" A&A, 344, 897
# (http://arxiv.org/abs/astro-ph/9812008)
# Mazeh, T. et al. (2001) "Studies of multiple stellar systems - IV. The
# triple-lined spectroscopic system Gliese 644" MNRAS, 325, 343.
# (http://arxiv.org/abs/astro-ph/0102451)
Barycenter "Gliese 644:Wolf 630" # orbit of (AB) & C unknown
{
RA 253.872083 # mass ratio (0.41+0.34+0.30):0.08
Dec -8.340536 #
Distance 21.048
}
Barycenter 82817 "Gliese 644 A-B:Wolf 630 A-B"
{
RA 253.870000
Dec -8.336389
Distance 21.048
}
"V1054 Oph:Gliese 644 A:Wolf 630 A"
{
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 "Gliese 644 B:Wolf 630 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
}
}
"Gliese 644 Ba:Wolf 630 Ba"
{
OrbitBarycenter "Wolf 630 B"
SpectralType "M3V"
AppMag 10.37
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
}
}
"Gliese 644 Bb:Wolf 630 Bb"
{
OrbitBarycenter "Wolf 630 B"
SpectralType "M4V"
AppMag 10.87
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
}
}
"Gliese 644 C:Wolf 630 C:VB 8"
{
RA 253.899167
Dec -8.394444
Distance 21.048
SpectralType "M7V"
AppMag 16.78
}
82809 "Gliese 643:Wolf 629"
{
RA 253.855000
Dec -8.322500
Distance 21.048
SpectralType "M3.5V"
AppMag 11.80
}
80459 # Gliese 625
{
RA 246.352500
Dec 54.304167
Distance 21.298
SpectralType "M1.5V"
AppMag 10.10
}
"GJ 1128:LHS 271:Luyten 100-115"
{
RA 145.693333
Dec -68.885000
Distance 21.311
SpectralType "M4.0V"
AppMag 12.74
}
"GL Vir:GJ 1156:Luyten 1190-34"
{
RA 184.751250
Dec 11.125278
Distance 21.332
SpectralType "M4.5V"
AppMag 13.80
}
114622 # Gliese 892
{
RA 348.320833
Dec 57.168333
Distance 21.340
SpectralType "K3V"
AppMag 5.57
}
"GJ 3877:LP 914-54"
{
RA 224.160417
Dec -28.164167
Distance 21.389
SpectralType "M7.0V"
AppMag 17.05
}
53767 # Ross 104
{
RA 165.017917
Dec 22.833056
Distance 21.843
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://arxiv.org/abs/astro-ph/9812008)
Barycenter 106106 "Gliese 829:Ross 775"
{
RA 322.400816
Dec 17.642376
Distance 21.889
}
"Gliese 829 A:Ross 775 A"
{
OrbitBarycenter "Ross 775"
SpectralType "M3.0V"
AppMag 11.05
EllipticalOrbit {
Period 0.146 # 53.2dys
SemiMajorAxis 0.11 # estimated from mass ratio 0.26:0.26
ArgOfPericenter 180
}
}
"Gliese 829 B:Ross 775 B"
{
OrbitBarycenter "Ross 775"
SpectralType "M3.5V"
AppMag 11.05
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://arxiv.org/abs/astro-ph/9812008)
Barycenter "GJ 3522:Giclas 41-14"
{
RA 134.734583
Dec 8.473889
Distance 22.089
}
Barycenter "GJ 3522 A:Giclas 41-14 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
}
}
"GJ 3522 Aa:Giclas 41-14 Aa"
{
OrbitBarycenter "Giclas 41-14 A"
SpectralType "M3.5V"
AppMag 11.94
EllipticalOrbit {
Period 0.021 # 7.6dys
SemiMajorAxis 0.0255 # estimated from mass ratio 0.19:0.17
}
}
"GJ 3522 Ab:Giclas 41-14 Ab"
{
OrbitBarycenter "Giclas 41-14 A"
SpectralType "M6V" # from estimated mass
AppMag 12.14
EllipticalOrbit {
Period 0.021 # 7.6dys
SemiMajorAxis 0.0285 # estimated from mass ratio 0.19:0.17
ArgOfPericenter 180
}
}
"GJ 3522 B:Giclas 41-14 B"
{
OrbitBarycenter "Giclas 41-14"
SpectralType "M6V" # from mass
AppMag 12.28
EllipticalOrbit {
Period 11.8 # estimate
SemiMajorAxis 2.9 # from AB separation and mass ratio (0.19+0.17):0.17
ArgOfPericenter 180
}
}
Barycenter 72659 "XI Boo:37 Boo:Gliese 566:ADS 9413"
{
RA 222.847018
Dec 19.100634
Distance 22.102
}
"XI Boo A:37 Boo A:Gliese 566 A:ADS 9413 A"
{
OrbitBarycenter "XI Boo"
SpectralType "G7V"
AppMag 4.67
EllipticalOrbit {
Period 151.6
SemiMajorAxis 13.93 # mass ratio 0.94:0.67
Eccentricity 0.51
Inclination 83.21
AscendingNode 270.13
ArgOfPericenter 158.75
MeanAnomaly 215.38
}
}
"XI Boo B:37 Boo B:Gliese 566 B:ADS 9413 B"
{
OrbitBarycenter "XI Boo"
SpectralType "K4V"
AppMag 6.94
EllipticalOrbit {
Period 151.6
SemiMajorAxis 19.55 # mass ratio 0.94:0.67
Eccentricity 0.51
Inclination 83.21
AscendingNode 270.13
ArgOfPericenter 338.75
MeanAnomaly 215.38
}
}
53020 # Wolf 358
{
RA 162.718892
Dec 6.810118
Distance 22.165
SpectralType "M4.0V"
AppMag 11.65
}
113296 # Ross 671
{
RA 344.147643
Dec 16.554122
Distance 22.284
SpectralType "M1.5V"
AppMag 8.65
}
"Gliese 299:Ross 619"
{
RA 122.989583
Dec 8.774444
Distance 22.294
SpectralType "M4.0V"
AppMag 12.82
}
Barycenter "Gliese 667:CD-34 11626" # orbit of (AB) & C unknown
{
RA 259.735861 # mass ratio (0.68+0.59):0.35
Dec -34.990567 #
Distance 22.296
}
Barycenter 84709 "Gliese 667 A-B:CD-34 11626 A-B"
{
RA 259.734835
Dec -34.989574
Distance 22.296
}
"Gliese 667 A:CD-34 11626 A"
{
OrbitBarycenter "Gliese 667 A-B"
SpectralType "K4V"
AppMag 5.90
EllipticalOrbit {
Period 42.15
SemiMajorAxis 5.75 # mass ratio 0.68:0.59
Eccentricity 0.58
Inclination 136.65
AscendingNode 305.37
ArgOfPericenter 183.60
MeanAnomaly 205.84
}
}
"Gliese 667 B:CD-34 11626 B"
{
OrbitBarycenter "Gliese 667 A-B"
SpectralType "K5V"
AppMag 5.90
EllipticalOrbit {
Period 42.15
SemiMajorAxis 6.62 # mass ratio 0.68:0.59
Eccentricity 0.58
Inclination 136.65
AscendingNode 305.37
ArgOfPericenter 3.60
MeanAnomaly 205.84
}
}
"Gliese 667 C:CD-34 11626 C"
{
RA 259.739583
Dec -34.994167
Distance 22.296
SpectralType "M1.5V"
AppMag 10.26
}
14101 "GJ 3192:LP 771-95 A:Luyten 730-18:RECONS 4"
{
RA 45.46411209
Dec -16.593372777
Distance 22.680
SpectralType "M2.5V"
AppMag 11.22
}
"GJ 3193:LP 771-95 B:LP 771-96"
{
RA 45.46547306
Dec -16.59479288
Distance 22.680
SpectralType "M3.5V"
AppMag 11.79
}
"LP 771-95 C"
{
RA 45.46432292
Dec -16.59359277
Distance 22.680
SpectralType "M5V"
AppMag 12.65
}
# =============================================================
# Additional stars between end of RECONS Top 100 and 25 ly:
# Non-Hipparcos and Hip stars with additional definitions
"Gliese 293:Luyten 97-12"
{
RA 118.311250
Dec -67.791944
Distance 23.099
SpectralType "DQ9"
AppMag 14.08
}
Barycenter 12114 "Gliese 105" # orbit of A & B unknown
{
RA 39.023977 # mass ratio (0.81+0.08):0.21
Dec 6.880494 #
Distance 23.420
}
Barycenter "Gliese 105 A"
{
RA 39.015969
Dec 6.883364
Distance 23.420
}
"Gliese 105 Aa"
{
OrbitBarycenter "Gliese 105 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 #
}
}
"Gliese 105 Ab"
{
OrbitBarycenter "Gliese 105 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
}
}
"BX Cet:Gliese 105 B"
{
RA 39.057917
Dec 6.868333
Distance 23.420
SpectralType "M3.5V"
AppMag 11.66
}
"GJ 1286"
{
RA 353.794583
Dec -2.390278
Distance 23.584
SpectralType "M5.5V"
AppMag 14.67
}
"GJ 4083:LP 71-165"
{
RA 274.740417
Dec 66.192222
Distance 23.721
SpectralType "M4.5V"
AppMag 13.49
}
# Dahn, C.C. et al. (2002) "Astrometry and photometry
# for cool dwarfs and brown dwarfs." AJ, 124, 1170
# (http://www.iop.org/EJ/abstract/-link=10023955/1538-3881/124/2/1170)
"2MASS J15074769-1627386:2MASS 1507-1627"
{
RA 226.948709
Dec -16.460722
Distance 23.912
SpectralType "L5V"
AbsMag 21 # for approximate radius in Celestia
}
"GJ 4274:Luyten 788-34"
{
RA 335.777500
Dec -17.606944
Distance 24.268
SpectralType "M4.5V"
AppMag 13.26
}
# Delfosse, X. et al. (1999) "New Neighbours I: 13 new
# companions to nearby M dwarfs" A&A, 344, 897
# (http://arxiv.org/abs/astro-ph/9812008)
Barycenter 83945 "GJ 3991:Giclas 203-47"
{
RA 257.380309
Dec 43.682026
Distance 24.284
}
"GJ 3991 A:Giclas 203-47 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
}
}
"GJ 3991 B:Giclas 203-47 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
}
# Drummond JD, Christou JC, Fugate RQ. Full adaptive optics images of
# ADS 9731 and mu Cassiopeiae: Orbits and masses. ApJ 1995; 450: 380-91
# http://cdsads.u-strasbg.fr//full/1995ApJ...450..380D/0000380.000.html
Barycenter 5336 "MU Cas:30 Cas:Gliese 53"
{
RA 17.053838
Dec 54.924228
Distance 24.638
}
"MU Cas A:30 Cas A:Gliese 53 A"
{
OrbitBarycenter "MU Cas"
SpectralType "G5VI"
AppMag 5.17
EllipticalOrbit { # fully specified orientation
Period 21.753
SemiMajorAxis 1.437 # mass ratio 0.742:0.173
Eccentricity 0.561
Inclination 28.0
AscendingNode 334.7
ArgOfPericenter 135.0
MeanAnomaly 41.52
}
}
"MU Cas B:30 Cas B:Gliese 53 B"
{
OrbitBarycenter "MU Cas"
SpectralType "MVI"
AppMag 11.00
EllipticalOrbit { # fully specified orientation
Period 21.753
SemiMajorAxis 6.165 # mass ratio 0.742:0.173
Eccentricity 0.561
Inclination 28.0
AscendingNode 334.7
ArgOfPericenter 315.0
MeanAnomaly 41.52
}
}
"GJ 3378:Luyten 1813-21"
{
RA 90.290417
Dec 59.598333
Distance 24.691
SpectralType "M3.5V"
AppMag 11.71
}
Modify 91262 # Vega 
{
SemiAxes [ 1 0.81 1 ] # equatorial radius 23% greater than polar
UniformRotation
{
Period 12.4
Inclination 28 # rotation pole points
AscendingNode 15 # towards solar system
}
}
Modify 113368 # Fomalhaut 
{
UniformRotation
{
Inclination 81.8 # rotation pole matches debris disk
AscendingNode 176.6 # Bouquin et al. (2009) A&A 498, L41-44
# (http://www.aanda.org/index.php?option=article&access=doi&doi=10.1051/0004-6361/200911854)
}
}
#========================================================================
# Nearby multiple star with poor Hipparcos parallax
Barycenter 55203 "Alula Australis:XI UMa:53 UMa:Gliese 423:ADS 8119"
{
RA 169.54545
Dec 31.529134
Distance 27.294
}
Barycenter "Alula Australis A:XI UMa A:53 UMa A:Gliese 423 A:ADS 8119 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:ADS 8119 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
}
}
"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://arxiv.org/abs/astro-ph/9812008)
# RECONS parallax places system well beyond 20ly distance
# from Hipparcos
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
}
Barycenter 86963 "GJ 2130 B" #true separation of Bab not known
{
RA 266.56015
Dec -32.102222
Distance 48.536
}
"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"
{
RA 266.5603
Dec -32.102222
Distance 48.536
SpectralType "M6.5V" # from apparent magnitude
AppMag 12.75
}
#===========================================================
# Star with erroneously large parallax in Hipparcos
85605
{
RA 262.401250
Dec 24.653055
Distance 180 # from spectral class and ap. mag.
SpectralType "K5"
AppMag 11.15
}
Reference in New Issue View Git Blame Copy Permalink