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 stars
pull/23/head
LukeCEL 2020-03-31 10:28:30 -04:00 committed by Hleb Valoshka
parent 7012d92a37
commit 0a35ee0b53
1 changed files with 2897 additions and 2865 deletions

View File

@ -30,8 +30,8 @@
# 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 the papers themselves,
# or if lacking, RECONS. The values used are listed below.
# Barycenter positions are based on mass estimates from the papers themselves. The
# values used are listed below.
Barycenter "Solar System Barycenter:SSB"
{
@ -86,9 +86,9 @@ Barycenter "Rigil Kentaurus:Toliman:ALF Cen:Gliese 559"
Period 79.91
SemiMajorAxis 10.68 # mass ratio 1.133:0.972
Eccentricity 0.52
Inclination 82.98
AscendingNode 67.55
ArgOfPericenter 4.42
Inclination 82.61
AscendingNode 231.75
ArgOfPericenter 280.23
MeanAnomaly 199.75
}
}
@ -103,9 +103,9 @@ Barycenter "Rigil Kentaurus:Toliman:ALF Cen:Gliese 559"
Period 79.91
SemiMajorAxis 12.79 # mass ratio 1.133:0.972
Eccentricity 0.52
Inclination 82.98
AscendingNode 67.55
ArgOfPericenter 184.42
Inclination 82.61
AscendingNode 231.75
ArgOfPericenter 100.23
MeanAnomaly 199.75
}
}
@ -133,15 +133,15 @@ Barycenter "Luhman 16:WISE 1049-5319:WISE J104915.57-531906.1"
{
OrbitBarycenter "Luhman 16"
SpectralType "L7.5"
AbsMag 22.5 # for approximate radius in Celestia
AbsMag 23 # for approximate radius in Celestia
EllipticalOrbit { # fully specified orientation
Period 27.54
SemiMajorAxis 1.64 # mass ratio 33.51J:28.55J
SemiMajorAxis 1.64 # mass ratio 33.51:28.55J
Eccentricity 0.34
Inclination 64.67
AscendingNode 295.52
ArgOfPericenter 121.83
Inclination 135.69
AscendingNode 118.66
ArgOfPericenter 136.22
MeanAnomaly 127.58
}
}
@ -150,15 +150,15 @@ Barycenter "Luhman 16:WISE 1049-5319:WISE J104915.57-531906.1"
{
OrbitBarycenter "Luhman 16"
SpectralType "T0.5"
AbsMag 25.5 # for approximate radius in Celestia
AbsMag 24 # for approximate radius in Celestia
EllipticalOrbit { # fully specified orientation
Period 27.54
SemiMajorAxis 1.92 # mass ratio 33.51J:28.55J
SemiMajorAxis 1.92 # mass ratio 33.51:28.55J
Eccentricity 0.34
Inclination 64.67
AscendingNode 295.52
ArgOfPericenter 301.83
Inclination 135.69
AscendingNode 118.66
ArgOfPericenter 316.22
MeanAnomaly 127.58
}
}
@ -195,7 +195,10 @@ Barycenter "Luhman 16:WISE 1049-5319:WISE J104915.57-531906.1"
AppMag 7.520
}
# Distance from same source as orbits
# Parameters from Bond et al. (2017), ApJ 840 (2), 70
# "The Sirius System and Its Astrophysical Puzzles: Hubble Space Telescope and
# Ground-based Astrometry"
# https://iopscience.iop.org/article/10.3847/1538-4357/aa6af8
Barycenter 32349 "Sirius:Alhabor:ALF CMa:9 CMa:Gliese 244:ADS 5423"
{
RA 101.28715533
@ -210,9 +213,9 @@ Barycenter 32349 "Sirius:Alhabor:ALF CMa:9 CMa:Gliese 244:ADS 5423"
AppMag -1.46
EllipticalOrbit { # fully specified orientation
Period 50.13
Period 50.1284
SemiMajorAxis 9.13 # mass ratio 2.063:1.018
Eccentricity 0.59
Eccentricity 0.59142
Inclination 97.01
AscendingNode 161.67
ArgOfPericenter 5.90
@ -227,9 +230,9 @@ Barycenter 32349 "Sirius:Alhabor:ALF CMa:9 CMa:Gliese 244:ADS 5423"
AppMag 8.44
EllipticalOrbit { # fully specified orientation
Period 50.09
Period 50.1284
SemiMajorAxis 10.65 # mass ratio 2.063:1.018
Eccentricity 0.59
Eccentricity 0.59142
Inclination 97.01
AscendingNode 161.67
ArgOfPericenter 185.90
@ -256,13 +259,13 @@ Barycenter "Gliese 65:Luyten 726-8"
AppMag 12.7
Radius 114790
EllipticalOrbit {
Period 26.28
EllipticalOrbit { # fully specified orbit
Period 26.284
SemiMajorAxis 2.72 # mass ratio 0.1225:0.1195
Eccentricity 0.62
Inclination 91.85
AscendingNode 157.40
ArgOfPericenter 40.22
Inclination 81.85
AscendingNode 337.40
ArgOfPericenter 346.32
MeanAnomaly 21.93
}
@ -276,13 +279,13 @@ Barycenter "Gliese 65:Luyten 726-8"
AppMag 13.2
Radius 110600
EllipticalOrbit {
Period 26.28
EllipticalOrbit { # fully specified orbit
Period 26.284
SemiMajorAxis 2.79 # mass ratio 0.1225:0.1195
Eccentricity 0.62
Inclination 91.85
AscendingNode 157.40
ArgOfPericenter 220.22
Inclination 81.85
AscendingNode 337.40
ArgOfPericenter 166.32
MeanAnomaly 21.93
}
@ -334,7 +337,7 @@ Barycenter "Gliese 65:Luyten 726-8"
AppMag 11.153
}
# Segransan. et al. (2000), A&A 364, 665
# 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 "Gliese 866:Luyten 789-6"
@ -405,7 +408,7 @@ Barycenter "Gliese 866 A:Luyten 789-6 A"
}
}
# physical parameters from Kervella et al. (2008), A&A 488 (2), 667
# Physical parameters from Kervella et al. (2008), A&A 488 (2), 667
# "The radii of the nearby K5V and K7V stars 61 Cygni A & B. CHARA/FLUOR
# interferometry and CESAM2k modeling"
# https://arxiv.org/abs/0806.4049
@ -416,7 +419,7 @@ Barycenter "61 Cyg:Gliese 820:ADS 14636"
Distance 11.402
}
104214 "61 Cyg A:V1803 Cyg:Gliese 820 A:ADS 14636 A"
104214 "61 Cyg A:Gliese 820 A:ADS 14636 A"
{
OrbitBarycenter "61 Cyg"
SpectralType "K5V"
@ -424,13 +427,13 @@ Barycenter "61 Cyg:Gliese 820:ADS 14636"
Radius 462600
EllipticalOrbit {
Period 678
SemiMajorAxis 39.64 # mass ratio 0.690:0.605
Eccentricity 0.49
Inclination 135
AscendingNode 166
ArgOfPericenter 200
MeanAnomaly 154
Period 618.7
SemiMajorAxis 41.23 # mass ratio 0.69:0.605
Eccentricity 0.54
Inclination 101
AscendingNode 295
ArgOfPericenter 281
MeanAnomaly 175
}
}
@ -442,17 +445,19 @@ Barycenter "61 Cyg:Gliese 820:ADS 14636"
Radius 413900
EllipticalOrbit {
Period 678
SemiMajorAxis 45.21 # mass ratio 0.690:0.605
Eccentricity 0.49
Inclination 135
AscendingNode 167
ArgOfPericenter 20
MeanAnomaly 155
Period 618.7
SemiMajorAxis 47.02 # mass ratio 0.69:0.605
Eccentricity 0.54
Inclination 101
AscendingNode 295
ArgOfPericenter 101
MeanAnomaly 175
}
}
# Distance from same source as orbit
# Parameters from Bond et al. (2015), ApJ 813 (2), 106
# "Hubble Space Telescope Astrometry of the Procyon System"
# https://iopscience.iop.org/article/10.1088/0004-637X/813/2/106
Barycenter 37279 "Procyon:Elgomaisa:ALF CMi:10 CMi:Gliese 280:ADS 6251"
{
RA 114.82549791
@ -611,7 +616,7 @@ Barycenter "EPS Ind:Gliese 845" # orbit of A & B components unknown
AppMag 4.69
}
# Dieterich et al. (2017) "Dynamical Masses of ε Indi B and C: Two Massive
# Dieterich et al. (2018) "Dynamical Masses of ε Indi B and C: Two Massive
# Brown Dwarfs at the Edge of the Stellarsubstellar Boundary"
# https://arxiv.org/abs/1807.09880
Barycenter "EPS Ind B:CI Ind:Gliese 845 B"
@ -628,7 +633,7 @@ Barycenter "EPS Ind B:CI Ind:Gliese 845 B"
Temperature 1280
AbsMag 34.5 # for approx. radius in Celestia
EllipticalOrbit { # fully specified orientation
EllipticalOrbit {
Period 11.41
SemiMajorAxis 1.26 # mass ratio 75.0J:70.1J
Eccentricity 0.47
@ -647,7 +652,7 @@ Barycenter "EPS Ind B:CI Ind:Gliese 845 B"
Radius 60000 # approx.
AbsMag 40 # extremely low
EllipticalOrbit { # fully specified orientation
EllipticalOrbit {
Period 11.41
SemiMajorAxis 1.35 # mass ratio 75.0J:70.1J
Eccentricity 0.47
@ -771,13 +776,13 @@ Barycenter 110893 "Gliese 860:ADS 15972:Kruger 60"
AppMag 9.93
EllipticalOrbit {
Period 44.67
SemiMajorAxis 3.46 # mass ratio 0.30:0.17
Eccentricity 0.41
Inclination 37.04
AscendingNode 126.59
ArgOfPericenter 264.09
MeanAnomaly 240.00
Period 44.581
SemiMajorAxis 3.48 # mass ratio 0.30:0.17
Eccentricity 0.408
Inclination 37.20
AscendingNode 129.48
ArgOfPericenter 262.00
MeanAnomaly 240.36
}
}
@ -789,12 +794,12 @@ Barycenter 110893 "Gliese 860:ADS 15972:Kruger 60"
EllipticalOrbit {
Period 44.67
SemiMajorAxis 6.10 # mass ratio 0.30:0.17
Eccentricity 0.41
Inclination 37.04
AscendingNode 126.59
ArgOfPericenter 84.09
MeanAnomaly 240.00
SemiMajorAxis 6.15 # mass ratio 0.30:0.17
Eccentricity 0.408
Inclination 37.20
AscendingNode 129.48
ArgOfPericenter 82.00
MeanAnomaly 240.36
}
}
@ -830,7 +835,7 @@ Barycenter 30920 "Gliese 234:Ross 614"
Eccentricity 0.38
Inclination 93.87
AscendingNode 322.71
ArgOfPericenter 347.29
ArgOfPericenter 167.29
MeanAnomaly 15.85
}
}
@ -847,7 +852,7 @@ Barycenter 30920 "Gliese 234:Ross 614"
Eccentricity 0.38
Inclination 93.87
AscendingNode 322.71
ArgOfPericenter 167.29
ArgOfPericenter 347.29
MeanAnomaly 15.85
}
}
@ -883,7 +888,7 @@ Barycenter "Gliese 473:Wolf 424"
SpectralType "M5.5V"
AppMag 13.18
EllipticalOrbit { # fully specified orientation
EllipticalOrbit {
Period 15.81
SemiMajorAxis 1.86 # mass ratio 0.124:0.113
Eccentricity 0.30
@ -900,7 +905,7 @@ Barycenter "Gliese 473:Wolf 424"
SpectralType "M5.5V"
AppMag 13.17
EllipticalOrbit { # fully specified orientation
EllipticalOrbit {
Period 15.81
SemiMajorAxis 2.04 # mass ratio 0.124:0.113
Eccentricity 0.30
@ -995,7 +1000,7 @@ Barycenter "Gliese 473:Wolf 424"
AppMag 11.513
}
113020 # Gliese 687
113020 # Gliese 876
{
RA 343.31971796
Dec -14.26369539
@ -1028,7 +1033,7 @@ Barycenter "GJ 1245 A"
SpectralType "M5.5V"
AppMag 13.46
EllipticalOrbit { # fully specified orientation
EllipticalOrbit {
Period 16.84
SemiMajorAxis 1.53 # mass ratio 0.111:0.076
Eccentricity 0.33
@ -1045,7 +1050,7 @@ Barycenter "GJ 1245 A"
SpectralType "M7.5V"
AppMag 16.75
EllipticalOrbit { # fully specified orientation
EllipticalOrbit {
Period 16.84
SemiMajorAxis 2.23 # mass ratio 0.111:0.076
Eccentricity 0.33
@ -1191,13 +1196,13 @@ Barycenter "Keid BC:OMI2 Eri BC:40 Eri BC:Gliese 166 BC"
AppMag 9.53
EllipticalOrbit {
Period 230.30
SemiMajorAxis 9.11 # mass ratio 0.573:0.2036
Eccentricity 0.43
Inclination 84.13
AscendingNode 216.59
ArgOfPericenter 80.71
MeanAnomaly 44.31
Period 222.74
SemiMajorAxis 8.855 # mass ratio 0.573:0.2036
Eccentricity 0.451
Inclination 83.57
AscendingNode 216.91
ArgOfPericenter 77.11
MeanAnomaly 245.29
}
}
@ -1209,13 +1214,13 @@ Barycenter "Keid BC:OMI2 Eri BC:40 Eri BC:Gliese 166 BC"
AppMag 11.17
EllipticalOrbit {
Period 230.3
SemiMajorAxis 25.64 # mass ratio 0.573:0.2036
Eccentricity 0.43
Inclination 84.13
AscendingNode 216.59
ArgOfPericenter 260.71
MeanAnomaly 44.31
Period 222.74
SemiMajorAxis 24.92 # mass ratio 0.573:0.2036
Eccentricity 0.451
Inclination 83.57
AscendingNode 216.91
ArgOfPericenter 257.11
MeanAnomaly 245.29
}
}
@ -1239,7 +1244,9 @@ Barycenter "Keid BC:OMI2 Eri BC:40 Eri BC:Gliese 166 BC"
AppMag 10.26
}
# Masses from same source as orbit
# Eggenberger et al. (2008), A&A 482 (2), 631
# "Analysis of 70 Ophiuchi AB including seismic constraints"
# https://www.aanda.org/articles/aa/abs/2008/17/aa8624-07/aa8624-07.html
Barycenter 88601 "70 Oph:Gliese 702:ADS 11046:Struve 2272"
{
RA 271.36368827
@ -1563,30 +1570,49 @@ Barycenter 21088 "Gliese 169.1:Stein 2051"
AppMag 4.680
}
Barycenter 29295 "Gliese 229:Luyten 668-21:LPM 230" # orbit of A & B unknown
# Orbit from Brandt et al. (2019), eprint arXiv 1910.01652
# "A Dynamical Mass of 70 ± 5 Jupiter Masses for Gliese 229B, the First Imaged T Dwarf"
# https://arxiv.org/abs/1910.01652
Barycenter 29295 "Gliese 229:Luyten 668-21:LPM 230"
{
RA 92.64426427 # mass ratio 0.556:0.05
Dec -21.8644676
RA 92.64484913 # mass ratio 0.556:0.05
Dec -21.86626696
Distance 18.7775 # 173.6955 +/- 0.0457 mas
}
"Gliese 229 A:Luyten 668-21 A:LPM 230 A"
{
RA 92.64423021
Dec -21.86462723
Distance 18.7775
OrbitBarycenter "Gliese 229"
SpectralType "M1V"
Radius 341000 # approx. for class
AppMag 8.125
Radius 341000 # approx. for class
EllipticalOrbit { # fully specified orbit
Period 263
SemiMajorAxis 3.84 # mass ratio 0.54:70.4J
Eccentricity 0.846
Inclination 40.3
AscendingNode 345.3
ArgOfPericenter 246.9
MeanAnomaly 300.6
}
}
"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