Update of nearstars.stc
Changes include: - Fixed orbit orientations so they match radial velocity data - Updated orbits for a few systems - Fixed coordinates and names for a few starspull/23/head
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@ -30,8 +30,8 @@
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# 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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# Barycenter positions are based on mass estimates from the papers themselves,
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# or if lacking, RECONS. The values used are listed below.
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# Barycenter positions are based on mass estimates from the papers themselves. The
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# values used are listed below.
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Barycenter "Solar System Barycenter:SSB"
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{
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@ -86,9 +86,9 @@ Barycenter "Rigil Kentaurus:Toliman:ALF Cen:Gliese 559"
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Period 79.91
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SemiMajorAxis 10.68 # mass ratio 1.133:0.972
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Eccentricity 0.52
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Inclination 82.98
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AscendingNode 67.55
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ArgOfPericenter 4.42
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Inclination 82.61
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AscendingNode 231.75
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ArgOfPericenter 280.23
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MeanAnomaly 199.75
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}
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}
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@ -103,9 +103,9 @@ Barycenter "Rigil Kentaurus:Toliman:ALF Cen:Gliese 559"
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Period 79.91
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SemiMajorAxis 12.79 # mass ratio 1.133:0.972
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Eccentricity 0.52
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Inclination 82.98
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AscendingNode 67.55
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ArgOfPericenter 184.42
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Inclination 82.61
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AscendingNode 231.75
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ArgOfPericenter 100.23
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MeanAnomaly 199.75
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}
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}
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@ -133,15 +133,15 @@ Barycenter "Luhman 16:WISE 1049-5319:WISE J104915.57-531906.1"
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{
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OrbitBarycenter "Luhman 16"
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SpectralType "L7.5"
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AbsMag 22.5 # for approximate radius in Celestia
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AbsMag 23 # for approximate radius in Celestia
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EllipticalOrbit { # fully specified orientation
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Period 27.54
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SemiMajorAxis 1.64 # mass ratio 33.51J:28.55J
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SemiMajorAxis 1.64 # mass ratio 33.51:28.55J
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Eccentricity 0.34
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Inclination 64.67
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AscendingNode 295.52
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ArgOfPericenter 121.83
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Inclination 135.69
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AscendingNode 118.66
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ArgOfPericenter 136.22
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MeanAnomaly 127.58
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}
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}
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@ -150,15 +150,15 @@ Barycenter "Luhman 16:WISE 1049-5319:WISE J104915.57-531906.1"
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{
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OrbitBarycenter "Luhman 16"
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SpectralType "T0.5"
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AbsMag 25.5 # for approximate radius in Celestia
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AbsMag 24 # for approximate radius in Celestia
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EllipticalOrbit { # fully specified orientation
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Period 27.54
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SemiMajorAxis 1.92 # mass ratio 33.51J:28.55J
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SemiMajorAxis 1.92 # mass ratio 33.51:28.55J
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Eccentricity 0.34
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Inclination 64.67
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AscendingNode 295.52
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ArgOfPericenter 301.83
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Inclination 135.69
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AscendingNode 118.66
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ArgOfPericenter 316.22
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MeanAnomaly 127.58
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}
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}
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@ -195,7 +195,10 @@ Barycenter "Luhman 16:WISE 1049-5319:WISE J104915.57-531906.1"
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AppMag 7.520
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}
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# Distance from same source as orbits
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# Parameters from Bond et al. (2017), ApJ 840 (2), 70
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# "The Sirius System and Its Astrophysical Puzzles: Hubble Space Telescope and
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# Ground-based Astrometry"
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# https://iopscience.iop.org/article/10.3847/1538-4357/aa6af8
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Barycenter 32349 "Sirius:Alhabor:ALF CMa:9 CMa:Gliese 244:ADS 5423"
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{
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RA 101.28715533
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@ -210,9 +213,9 @@ Barycenter 32349 "Sirius:Alhabor:ALF CMa:9 CMa:Gliese 244:ADS 5423"
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AppMag -1.46
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EllipticalOrbit { # fully specified orientation
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Period 50.13
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Period 50.1284
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SemiMajorAxis 9.13 # mass ratio 2.063:1.018
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Eccentricity 0.59
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Eccentricity 0.59142
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Inclination 97.01
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AscendingNode 161.67
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ArgOfPericenter 5.90
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@ -227,9 +230,9 @@ Barycenter 32349 "Sirius:Alhabor:ALF CMa:9 CMa:Gliese 244:ADS 5423"
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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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Period 50.1284
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SemiMajorAxis 10.65 # mass ratio 2.063:1.018
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Eccentricity 0.59
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Eccentricity 0.59142
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Inclination 97.01
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AscendingNode 161.67
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ArgOfPericenter 185.90
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@ -256,13 +259,13 @@ Barycenter "Gliese 65:Luyten 726-8"
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AppMag 12.7
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Radius 114790
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EllipticalOrbit {
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Period 26.28
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EllipticalOrbit { # fully specified orbit
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Period 26.284
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SemiMajorAxis 2.72 # mass ratio 0.1225:0.1195
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Eccentricity 0.62
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Inclination 91.85
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AscendingNode 157.40
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ArgOfPericenter 40.22
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Inclination 81.85
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AscendingNode 337.40
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ArgOfPericenter 346.32
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MeanAnomaly 21.93
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}
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@ -276,13 +279,13 @@ Barycenter "Gliese 65:Luyten 726-8"
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AppMag 13.2
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Radius 110600
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EllipticalOrbit {
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Period 26.28
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EllipticalOrbit { # fully specified orbit
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Period 26.284
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SemiMajorAxis 2.79 # mass ratio 0.1225:0.1195
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Eccentricity 0.62
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Inclination 91.85
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AscendingNode 157.40
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ArgOfPericenter 220.22
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Inclination 81.85
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AscendingNode 337.40
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ArgOfPericenter 166.32
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MeanAnomaly 21.93
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}
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@ -334,7 +337,7 @@ Barycenter "Gliese 65:Luyten 726-8"
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AppMag 11.153
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}
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# Segransan. et al. (2000), A&A 364, 665
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# Segransan et al. (2000), A&A 364, 665
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# "Accurate masses of very low mass stars. III. 16 new or improved masses"
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# http://adsabs.harvard.edu/abs/2000A%26A...364..665S
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Barycenter "Gliese 866:Luyten 789-6"
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@ -405,7 +408,7 @@ Barycenter "Gliese 866 A:Luyten 789-6 A"
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}
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}
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# physical parameters from Kervella et al. (2008), A&A 488 (2), 667
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# Physical parameters from Kervella et al. (2008), A&A 488 (2), 667
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# "The radii of the nearby K5V and K7V stars 61 Cygni A & B. CHARA/FLUOR
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# interferometry and CESAM2k modeling"
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# https://arxiv.org/abs/0806.4049
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@ -416,7 +419,7 @@ Barycenter "61 Cyg:Gliese 820:ADS 14636"
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Distance 11.402
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}
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104214 "61 Cyg A:V1803 Cyg:Gliese 820 A:ADS 14636 A"
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104214 "61 Cyg A:Gliese 820 A:ADS 14636 A"
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{
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OrbitBarycenter "61 Cyg"
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SpectralType "K5V"
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@ -424,13 +427,13 @@ Barycenter "61 Cyg:Gliese 820:ADS 14636"
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Radius 462600
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EllipticalOrbit {
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Period 678
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SemiMajorAxis 39.64 # mass ratio 0.690:0.605
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Eccentricity 0.49
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Inclination 135
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AscendingNode 166
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ArgOfPericenter 200
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MeanAnomaly 154
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Period 618.7
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SemiMajorAxis 41.23 # mass ratio 0.69:0.605
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Eccentricity 0.54
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Inclination 101
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AscendingNode 295
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ArgOfPericenter 281
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MeanAnomaly 175
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}
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}
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@ -442,17 +445,19 @@ Barycenter "61 Cyg:Gliese 820:ADS 14636"
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Radius 413900
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EllipticalOrbit {
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Period 678
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SemiMajorAxis 45.21 # mass ratio 0.690:0.605
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Eccentricity 0.49
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Inclination 135
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AscendingNode 167
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ArgOfPericenter 20
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MeanAnomaly 155
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Period 618.7
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SemiMajorAxis 47.02 # mass ratio 0.69:0.605
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Eccentricity 0.54
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Inclination 101
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AscendingNode 295
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ArgOfPericenter 101
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MeanAnomaly 175
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}
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}
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# Distance from same source as orbit
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# Parameters from Bond et al. (2015), ApJ 813 (2), 106
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# "Hubble Space Telescope Astrometry of the Procyon System"
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# https://iopscience.iop.org/article/10.1088/0004-637X/813/2/106
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Barycenter 37279 "Procyon:Elgomaisa:ALF CMi:10 CMi:Gliese 280:ADS 6251"
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{
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RA 114.82549791
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@ -611,7 +616,7 @@ Barycenter "EPS Ind:Gliese 845" # orbit of A & B components unknown
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AppMag 4.69
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}
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# Dieterich et al. (2017) "Dynamical Masses of ε Indi B and C: Two Massive
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# Dieterich et al. (2018) "Dynamical Masses of ε Indi B and C: Two Massive
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# Brown Dwarfs at the Edge of the Stellar–substellar Boundary"
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# https://arxiv.org/abs/1807.09880
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Barycenter "EPS Ind B:CI Ind:Gliese 845 B"
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@ -628,7 +633,7 @@ Barycenter "EPS Ind B:CI Ind:Gliese 845 B"
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Temperature 1280
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AbsMag 34.5 # for approx. radius in Celestia
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EllipticalOrbit { # fully specified orientation
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EllipticalOrbit {
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Period 11.41
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SemiMajorAxis 1.26 # mass ratio 75.0J:70.1J
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Eccentricity 0.47
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@ -647,7 +652,7 @@ Barycenter "EPS Ind B:CI Ind:Gliese 845 B"
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Radius 60000 # approx.
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AbsMag 40 # extremely low
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EllipticalOrbit { # fully specified orientation
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EllipticalOrbit {
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Period 11.41
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SemiMajorAxis 1.35 # mass ratio 75.0J:70.1J
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Eccentricity 0.47
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@ -771,13 +776,13 @@ Barycenter 110893 "Gliese 860:ADS 15972:Kruger 60"
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AppMag 9.93
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EllipticalOrbit {
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Period 44.67
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SemiMajorAxis 3.46 # mass ratio 0.30:0.17
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Eccentricity 0.41
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Inclination 37.04
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AscendingNode 126.59
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ArgOfPericenter 264.09
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MeanAnomaly 240.00
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Period 44.581
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SemiMajorAxis 3.48 # mass ratio 0.30:0.17
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Eccentricity 0.408
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Inclination 37.20
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AscendingNode 129.48
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ArgOfPericenter 262.00
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MeanAnomaly 240.36
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}
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}
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@ -789,12 +794,12 @@ Barycenter 110893 "Gliese 860:ADS 15972:Kruger 60"
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EllipticalOrbit {
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Period 44.67
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SemiMajorAxis 6.10 # mass ratio 0.30:0.17
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Eccentricity 0.41
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Inclination 37.04
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AscendingNode 126.59
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ArgOfPericenter 84.09
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MeanAnomaly 240.00
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SemiMajorAxis 6.15 # mass ratio 0.30:0.17
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Eccentricity 0.408
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Inclination 37.20
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AscendingNode 129.48
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ArgOfPericenter 82.00
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MeanAnomaly 240.36
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}
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}
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@ -830,7 +835,7 @@ Barycenter 30920 "Gliese 234:Ross 614"
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Eccentricity 0.38
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Inclination 93.87
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AscendingNode 322.71
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ArgOfPericenter 347.29
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ArgOfPericenter 167.29
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MeanAnomaly 15.85
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}
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}
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@ -847,7 +852,7 @@ Barycenter 30920 "Gliese 234:Ross 614"
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Eccentricity 0.38
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Inclination 93.87
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AscendingNode 322.71
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ArgOfPericenter 167.29
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ArgOfPericenter 347.29
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MeanAnomaly 15.85
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}
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}
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@ -883,7 +888,7 @@ Barycenter "Gliese 473:Wolf 424"
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SpectralType "M5.5V"
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AppMag 13.18
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EllipticalOrbit { # fully specified orientation
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EllipticalOrbit {
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Period 15.81
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SemiMajorAxis 1.86 # mass ratio 0.124:0.113
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Eccentricity 0.30
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@ -900,7 +905,7 @@ Barycenter "Gliese 473:Wolf 424"
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SpectralType "M5.5V"
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AppMag 13.17
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EllipticalOrbit { # fully specified orientation
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EllipticalOrbit {
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Period 15.81
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SemiMajorAxis 2.04 # mass ratio 0.124:0.113
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Eccentricity 0.30
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@ -995,7 +1000,7 @@ Barycenter "Gliese 473:Wolf 424"
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AppMag 11.513
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}
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113020 # Gliese 687
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113020 # Gliese 876
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{
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RA 343.31971796
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Dec -14.26369539
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@ -1028,7 +1033,7 @@ Barycenter "GJ 1245 A"
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SpectralType "M5.5V"
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AppMag 13.46
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EllipticalOrbit { # fully specified orientation
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EllipticalOrbit {
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Period 16.84
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SemiMajorAxis 1.53 # mass ratio 0.111:0.076
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Eccentricity 0.33
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@ -1045,7 +1050,7 @@ Barycenter "GJ 1245 A"
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SpectralType "M7.5V"
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AppMag 16.75
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EllipticalOrbit { # fully specified orientation
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EllipticalOrbit {
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Period 16.84
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SemiMajorAxis 2.23 # mass ratio 0.111:0.076
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Eccentricity 0.33
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@ -1191,13 +1196,13 @@ Barycenter "Keid BC:OMI2 Eri BC:40 Eri BC:Gliese 166 BC"
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AppMag 9.53
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EllipticalOrbit {
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Period 230.30
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SemiMajorAxis 9.11 # mass ratio 0.573:0.2036
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Eccentricity 0.43
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Inclination 84.13
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AscendingNode 216.59
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ArgOfPericenter 80.71
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MeanAnomaly 44.31
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Period 222.74
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SemiMajorAxis 8.855 # mass ratio 0.573:0.2036
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Eccentricity 0.451
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Inclination 83.57
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AscendingNode 216.91
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ArgOfPericenter 77.11
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MeanAnomaly 245.29
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}
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}
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@ -1209,13 +1214,13 @@ Barycenter "Keid BC:OMI2 Eri BC:40 Eri BC:Gliese 166 BC"
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AppMag 11.17
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EllipticalOrbit {
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Period 230.3
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SemiMajorAxis 25.64 # mass ratio 0.573:0.2036
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Eccentricity 0.43
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Inclination 84.13
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AscendingNode 216.59
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ArgOfPericenter 260.71
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MeanAnomaly 44.31
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Period 222.74
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SemiMajorAxis 24.92 # mass ratio 0.573:0.2036
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Eccentricity 0.451
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Inclination 83.57
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AscendingNode 216.91
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ArgOfPericenter 257.11
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MeanAnomaly 245.29
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}
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}
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@ -1239,7 +1244,9 @@ Barycenter "Keid BC:OMI2 Eri BC:40 Eri BC:Gliese 166 BC"
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AppMag 10.26
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}
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# Masses from same source as orbit
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# Eggenberger et al. (2008), A&A 482 (2), 631
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# "Analysis of 70 Ophiuchi AB including seismic constraints"
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# https://www.aanda.org/articles/aa/abs/2008/17/aa8624-07/aa8624-07.html
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Barycenter 88601 "70 Oph:Gliese 702:ADS 11046:Struve 2272"
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{
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RA 271.36368827
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@ -1563,30 +1570,49 @@ Barycenter 21088 "Gliese 169.1:Stein 2051"
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AppMag 4.680
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}
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Barycenter 29295 "Gliese 229:Luyten 668-21:LPM 230" # orbit of A & B unknown
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# Orbit from Brandt et al. (2019), eprint arXiv 1910.01652
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# "A Dynamical Mass of 70 ± 5 Jupiter Masses for Gliese 229B, the First Imaged T Dwarf"
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# https://arxiv.org/abs/1910.01652
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Barycenter 29295 "Gliese 229:Luyten 668-21:LPM 230"
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{
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RA 92.64426427 # mass ratio 0.556:0.05
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Dec -21.8644676
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RA 92.64484913 # mass ratio 0.556:0.05
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Dec -21.86626696
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Distance 18.7775 # 173.6955 +/- 0.0457 mas
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}
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"Gliese 229 A:Luyten 668-21 A:LPM 230 A"
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{
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RA 92.64423021
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Dec -21.86462723
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Distance 18.7775
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OrbitBarycenter "Gliese 229"
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SpectralType "M1V"
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Radius 341000 # approx. for class
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AppMag 8.125
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Radius 341000 # approx. for class
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EllipticalOrbit { # fully specified orbit
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Period 263
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SemiMajorAxis 3.84 # mass ratio 0.54:70.4J
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Eccentricity 0.846
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Inclination 40.3
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AscendingNode 345.3
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ArgOfPericenter 246.9
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MeanAnomaly 300.6
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||||
}
|
||||
}
|
||||
|
||||
"Gliese 229 B:Luyten 668-21 B:LPM 230 B"
|
||||
{
|
||||
RA 92.644643
|
||||
Dec -21.862692
|
||||
Distance 18.7775
|
||||
OrbitBarycenter "Gliese 229"
|
||||
SpectralType "T6.5V"
|
||||
AbsMag 33.5 # for approximate radius in Celestia
|
||||
|
||||
EllipticalOrbit { # fully specified orbit
|
||||
Period 263
|
||||
SemiMajorAxis 30.87 # mass ratio 0.54:70.4J
|
||||
Eccentricity 0.846
|
||||
Inclination 40.3
|
||||
AscendingNode 345.3
|
||||
ArgOfPericenter 66.9
|
||||
MeanAnomaly 300.6
|
||||
}
|
||||
}
|
||||
|
||||
26857 # Ross 47
|
||||
|
@ -1928,7 +1954,7 @@ Barycenter 1242 "GJ 1005:Luyten 722-22"
|
|||
SpectralType "M3.5V"
|
||||
AppMag 11.60
|
||||
|
||||
EllipticalOrbit { # fully specified orientation
|
||||
EllipticalOrbit {
|
||||
Period 4.565
|
||||
SemiMajorAxis 0.70 # mass ratio 0.179:0.112
|
||||
Eccentricity 0.36
|
||||
|
@ -1945,7 +1971,7 @@ Barycenter 1242 "GJ 1005:Luyten 722-22"
|
|||
SpectralType "M7V"
|
||||
AppMag 14.02
|
||||
|
||||
EllipticalOrbit { # fully specified orientation
|
||||
EllipticalOrbit {
|
||||
Period 4.565
|
||||
SemiMajorAxis 1.12 # mass ratio 0.179:0.112
|
||||
Eccentricity 0.36
|
||||
|
@ -1996,8 +2022,8 @@ Barycenter 99461 "Gliese 783:CD-36 13940:J Herschel 5173:HJ 5173" # orbit of A &
|
|||
# http://iopscience.iop.org/article/10.1088/0004-637X/760/1/55/meta
|
||||
Barycenter 34603 "Gliese 268:Ross 986"
|
||||
{
|
||||
RA 3.86712874
|
||||
Dec -16.133786
|
||||
RA 107.50764113
|
||||
Dec 38.52946844
|
||||
Distance 19.8103 # 164.6395 +/- 0.1338 mas
|
||||
}
|
||||
|
||||
|
@ -2007,14 +2033,14 @@ Barycenter 34603 "Gliese 268:Ross 986"
|
|||
SpectralType "M4.5V"
|
||||
AppMag 12.05
|
||||
|
||||
EllipticalOrbit {
|
||||
Period 0.028566
|
||||
SemiMajorAxis 31.01 # mass ratio 0.22599:0.19248
|
||||
Eccentricity 0.32
|
||||
Inclination 35.99
|
||||
AscendingNode 130.70
|
||||
ArgOfPericenter 349.54
|
||||
MeanAnomaly 248.39
|
||||
EllipticalOrbit { # fully specified orbit
|
||||
Period 0.028547
|
||||
SemiMajorAxis 0.03110 # mass ratio 0.22599:0.19248
|
||||
Eccentricity 0.3203
|
||||
Inclination 8.92
|
||||
AscendingNode 66.51
|
||||
ArgOfPericenter 161.27
|
||||
MeanAnomaly 272.77
|
||||
}
|
||||
}
|
||||
|
||||
|
@ -2024,14 +2050,14 @@ Barycenter 34603 "Gliese 268:Ross 986"
|
|||
SpectralType "M6V"
|
||||
AppMag 12.45
|
||||
|
||||
EllipticalOrbit {
|
||||
Period 0.028566
|
||||
SemiMajorAxis 36.41 # mass ratio 0.22599:0.19248
|
||||
Eccentricity 0.32
|
||||
Inclination 35.99
|
||||
AscendingNode 130.70
|
||||
ArgOfPericenter 169.54
|
||||
MeanAnomaly 248.39
|
||||
EllipticalOrbit { # fully specified orbit
|
||||
Period 0.028547
|
||||
SemiMajorAxis 0.03641 # mass ratio 0.22599:0.19248
|
||||
Eccentricity 0.3203
|
||||
Inclination 8.92
|
||||
AscendingNode 66.51
|
||||
ArgOfPericenter 341.27
|
||||
MeanAnomaly 272.77
|
||||
}
|
||||
}
|
||||
|
||||
|
@ -2075,51 +2101,6 @@ Barycenter 34603 "Gliese 268:Ross 986"
|
|||
AppMag 7.966
|
||||
}
|
||||
|
||||
# Masses from same source as orbit
|
||||
Barycenter "Scholz's Star:WISE 0720-0846:WISE J072003.20-084651.2"
|
||||
{
|
||||
RA 110.01355700
|
||||
Dec -8.78052900
|
||||
Distance 20.22 # 6.2 +/- 0.7 pc
|
||||
}
|
||||
|
||||
# Apparent magnitude of A from Ivanov et al. (2015), A&A 574, A64
|
||||
# "Properties of the solar neighbor WISE J072003.20-084651.2"
|
||||
# https://www.aanda.org/articles/aa/abs/2015/02/aa24883-14/aa24883-14.html
|
||||
"Scholz's Star A:WISE J0720-0846 A:WISE J072003.20-084651.2 A"
|
||||
{
|
||||
OrbitBarycenter "WISE 0720-0846"
|
||||
SpectralType "M9.5V"
|
||||
AppMag 18.266
|
||||
|
||||
EllipticalOrbit {
|
||||
Period 3.1
|
||||
SemiMajorAxis 1.34 # mass ratio 0.081:0.062
|
||||
Eccentricity 0.80
|
||||
Inclination 39.0
|
||||
AscendingNode 175.8
|
||||
ArgOfPericenter 257.4
|
||||
MeanAnomaly 203.2
|
||||
}
|
||||
}
|
||||
|
||||
"Scholz's Star B:WISE J0720-0846 B:WISE J072003.20-084651.2 B"
|
||||
{
|
||||
OrbitBarycenter "WISE 0720-0846"
|
||||
SpectralType "T5.5V"
|
||||
AbsMag 32 # for approximate radius in Celestia
|
||||
|
||||
EllipticalOrbit {
|
||||
Period 3.1
|
||||
SemiMajorAxis 1.76 # mass ratio 0.081:0.062
|
||||
Eccentricity 0.80
|
||||
Inclination 39.0
|
||||
AscendingNode 175.8
|
||||
ArgOfPericenter 77.4
|
||||
MeanAnomaly 203.2
|
||||
}
|
||||
}
|
||||
|
||||
"GJ 1221:LP 44-113"
|
||||
{
|
||||
RA 267.03330405
|
||||
|
@ -2381,7 +2362,7 @@ Barycenter "Gliese 644:Wolf 630" # orbit of (AB) & C unknown
|
|||
Distance 21.080
|
||||
}
|
||||
|
||||
# Parallax and masses from Segransan. et al. (2000), A&A 364, 665
|
||||
# Parallax and masses from Segransan et al. (2000), A&A 364, 665
|
||||
# "Accurate masses of very low mass stars. III. 16 new or improved masses"
|
||||
# http://adsabs.harvard.edu/abs/2000A%26A...364..665S
|
||||
Barycenter 82817 "Gliese 644 A-B:Wolf 630 A-B"
|
||||
|
@ -2740,6 +2721,53 @@ Barycenter 106106 "Gliese 829:Ross 775"
|
|||
}
|
||||
}
|
||||
|
||||
# Dupuy et al. (2019), AJ 158 (5), 174
|
||||
# "WISE J072003.20-084651.2B is a Massive T Dwarf"
|
||||
# https://arxiv.org/abs/1908.06994
|
||||
Barycenter "Scholz's Star:WISE 0720-0846:WISE J072003.20-084651.2"
|
||||
{
|
||||
RA 110.01355700
|
||||
Dec -8.78052900
|
||||
Distance 22.294 # 146.3 +1.2 -1.1 mas
|
||||
}
|
||||
|
||||
# Apparent magnitude of A from Ivanov et al. (2015), A&A 574, A64
|
||||
# "Properties of the solar neighbor WISE J072003.20-084651.2"
|
||||
# https://www.aanda.org/articles/aa/abs/2015/02/aa24883-14/aa24883-14.html
|
||||
"Scholz's Star A:WISE J0720-0846 A:WISE J072003.20-084651.2 A"
|
||||
{
|
||||
OrbitBarycenter "WISE 0720-0846"
|
||||
SpectralType "M9.5V"
|
||||
AppMag 18.266
|
||||
|
||||
EllipticalOrbit { # fully specified orbit
|
||||
Period 8.06
|
||||
SemiMajorAxis 0.87 # mass ratio 99J:66J
|
||||
Eccentricity 0.24
|
||||
Inclination 59.8
|
||||
AscendingNode 158.8
|
||||
ArgOfPericenter 39.7
|
||||
MeanAnomaly 18.4
|
||||
}
|
||||
}
|
||||
|
||||
"Scholz's Star B:WISE J0720-0846 B:WISE J072003.20-084651.2 B"
|
||||
{
|
||||
OrbitBarycenter "WISE 0720-0846"
|
||||
SpectralType "T5.5V"
|
||||
AbsMag 32 # for approximate radius in Celestia
|
||||
|
||||
EllipticalOrbit { # fully specified orbit
|
||||
Period 8.06
|
||||
SemiMajorAxis 1.31 # mass ratio 99J:66J
|
||||
Eccentricity 0.24
|
||||
Inclination 59.8
|
||||
AscendingNode 158.8
|
||||
ArgOfPericenter 219.7
|
||||
MeanAnomaly 18.4
|
||||
}
|
||||
}
|
||||
|
||||
113296 # Ross 671
|
||||
{
|
||||
RA 344.14501970
|
||||
|
@ -2902,7 +2930,7 @@ Modify 103096 # Gliese 809
|
|||
{
|
||||
RA 126.280554
|
||||
Dec 28.096545
|
||||
Distance 23.461 # 139.02 ± 4.33 mas
|
||||
Distance 23.461 # 139.02 +/- 4.33 mas
|
||||
SpectralType "Y0.5V"
|
||||
Radius 60000 # approx.
|
||||
AbsMag 40 # extremely low
|
||||
|
@ -2924,8 +2952,8 @@ Modify 103096 # Gliese 809
|
|||
|
||||
"V488 Hya:2MASS J08354256-0819237"
|
||||
{
|
||||
RA 353.79359235
|
||||
Dec -2.38905967
|
||||
RA 128.92721804
|
||||
Dec -8.32316374
|
||||
Distance 23.5305 # 138.6098 +/- 0.2781 mas
|
||||
SpectralType "L6.5V"
|
||||
AbsMag 21.5 # for approximate radius in Celestia
|
||||
|
@ -3216,7 +3244,11 @@ Modify 106255 # Wolf 922
|
|||
AppMag 2.79
|
||||
}
|
||||
|
||||
# Drummond et al. (1995), AJ 450, 380
|
||||
# Orbit from Agati et al. (2015), A&A 574 (A6), 32
|
||||
# "Are the orbital poles of binary stars in the solar neighbourhood anisotropically
|
||||
# distributed?"
|
||||
# https://www.aanda.org/articles/aa/abs/2015/02/aa23056-13/aa23056-13.html
|
||||
# Masses from Drummond et al. (1995), AJ 450, 380
|
||||
# "Full Adaptive Optics Images of ADS 9731 and mu Cassiopeiae: Orbits and Masses"
|
||||
# https://ui.adsabs.harvard.edu/abs/1995ApJ...450..380D/abstract
|
||||
Barycenter 5336 "MU Cas:30 Cas:Gliese 53"
|
||||
|
@ -3233,13 +3265,13 @@ Barycenter 5336 "MU Cas:30 Cas:Gliese 53"
|
|||
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
|
||||
Period 21.40
|
||||
SemiMajorAxis 1.528 # mass ratio 0.742:0.173
|
||||
Eccentricity 0.53
|
||||
Inclination 30.86
|
||||
AscendingNode 338.29
|
||||
ArgOfPericenter 129.88
|
||||
MeanAnomaly 45.42
|
||||
}
|
||||
}
|
||||
|
||||
|
@ -3250,13 +3282,13 @@ Barycenter 5336 "MU Cas:30 Cas:Gliese 53"
|
|||
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
|
||||
Period 21.40
|
||||
SemiMajorAxis 6.554 # mass ratio 0.742:0.173
|
||||
Eccentricity 0.53
|
||||
Inclination 30.86
|
||||
AscendingNode 338.29
|
||||
ArgOfPericenter 309.88
|
||||
MeanAnomaly 45.42
|
||||
}
|
||||
}
|
||||
|
||||
|
@ -3296,7 +3328,7 @@ Modify 65859 # Ross 490
|
|||
"Giclas 141-36"
|
||||
{
|
||||
RA 282.07307098
|
||||
Dec -7.68921596
|
||||
Dec 7.68921596
|
||||
Distance 24.8596 # 131.1990 +/- 0.0788 mas
|
||||
SpectralType "M5.0V"
|
||||
Radius 140000 # approx. for class
|
||||
|
|
Loading…
Reference in New Issue