spacecruft
/
CelestiaContent
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

New orbits for mu Cas, GJ 1116, and Gliese 338

pull/39/head
LukeCEL 2020-10-14 20:01:00 -04:00
parent d355292261
commit a0f213385d
1 changed files with 83 additions and 59 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

142
data/nearstars.stc
View File

@ -1310,31 +1310,49 @@ Barycenter 88601 "70 Oph:Gliese 702:Struve 2272:ADS 11046"
} }
} }
Barycenter "GJ 1116" # orbit of A & B unknown # Orbit from Tokovinin et al. (2020), AJ 160 (1), 7
# "Speckle Interferometry at SOAR in 2019"
# https://arxiv.org/abs/2005.05305
# Distance from average of distances from Gaia DR2 parallax for A and B
Barycenter "GJ 1116"
{ {
RA 134.5629579 # mass ratio 0.11:0.10 RA 134.56295790 # mass ratio 0.11:0.10
Dec 19.76308611 Dec 19.76308611 # A: 194.7225 +/- 0.1251 mas
Distance 16.735 Distance 16.735 # B: 195.0836 +/- 0.1754 mas
} }
"EI Cnc:GJ 1116 A" "EI Cnc:GJ 1116 A"
{ {
RA 134.56280747 OrbitBarycenter "GJ 1116"
Dec 19.76340108
Distance 16.7498 # 194.7225 +/- 0.1251 mas
SpectralType "M8Ve" SpectralType "M8Ve"
Radius 76500 # approx. for class
AppMag 13.93 AppMag 13.93
EllipticalOrbit {
Period 134.4
SemiMajorAxis 7.902 # mass ratio 0.11:0.10
Eccentricity 0.661
Inclination 84.9
AscendingNode 59.9
ArgOfPericenter 22.9
MeanAnomaly 343.3
}
} }
"GJ 1116 B:LP 426-40" "GJ 1116 B:LP 426-40"
{ {
RA 134.56312344 OrbitBarycenter "GJ 1116"
Dec 19.76273963
Distance 16.7189 # 195.0836 +/- 0.1754 mas
SpectralType "M7V" SpectralType "M7V"
Radius 83500 # approx. for class
AppMag 13.75 AppMag 13.75
EllipticalOrbit {
Period 134.4
SemiMajorAxis 8.692 # mass ratio 0.11:0.10
Eccentricity 0.661
Inclination 84.9
AscendingNode 59.9
ArgOfPericenter 202.9
MeanAnomaly 343.3
}
} }
# rotation period from Burningham et al. (2016), MNRAS 463 (2), 2202 # rotation period from Burningham et al. (2016), MNRAS 463 (2), 2202
@ -2233,47 +2251,56 @@ Barycenter "Gliese 896 B:BD+19 5116 B"
AppMag 10.560 AppMag 10.560
} }
# Parameters from Gonzalez-Alvarez et al. (2020), A&A 637, A93
# "The CARMENES search for exoplanets around M dwarfs. A super-Earth planet orbiting
# HD 79211 (GJ 338 B)"
# https://arxiv.org/abs/2003.13052
# Distance from average of distances from Gaia DR2 parallax for A and B # Distance from average of distances from Gaia DR2 parallax for A and B
Barycenter "Gliese 338:Struve 1321:ADS 7251" Barycenter "Gliese 338:Struve 1321:ADS 7251"
{ {
RA 138.59887190 # mass ratio 0.60:0.60 RA 138.59872250 # mass ratio 0.69:0.64
Dec 52.68648597 # A: 157.8796 +/- 0.0366 mas Dec 52.46994924 # A: 157.8796 +/- 0.0366 mas
Distance 20.658 # B: 157.8851 +/- 0.0414 mas Distance 20.658 # B: 157.8851 +/- 0.0414 mas
} }
45343 "Gliese 338 A:Struve 1321 A:ADS 7251 A" 45343 "Gliese 338 A:Struve 1321 A:ADS 7251 A"
{ {
OrbitBarycenter "ADS 7251" OrbitBarycenter "Gliese 338"
SpectralType "K7V" SpectralType "M0.0V"
Radius 403500
AppMag 7.63 AppMag 7.63
EllipticalOrbit { EllipticalOrbit {
Period 975 Period 1295
SemiMajorAxis 51 # mass ratio 0.6:0.6 SemiMajorAxis 63.0 # mass ratio 0.69:0.64
Eccentricity 0.28 Eccentricity 0.01
Inclination 113 Inclination 123.3
AscendingNode 13 AscendingNode 348.8
ArgOfPericenter 97 ArgOfPericenter 184.3
MeanAnomaly 264 MeanAnomaly 135.4
} }
RotationPeriod 391.2 # 16.3 d
} }
120005 "Gliese 338 B:Struve 1321 B:ADS 7251 B" 120005 "Gliese 338 B:Struve 1321 B:ADS 7251 B"
{ {
OrbitBarycenter "ADS 7251" OrbitBarycenter "Gliese 338"
SpectralType "M0V" SpectralType "M0.0V"
Radius 432000 # approx. for class Radius 403500
AppMag 7.70 AppMag 7.70
EllipticalOrbit { EllipticalOrbit {
Period 975 Period 1295
SemiMajorAxis 52 # mass ratio 0.6:0.6 SemiMajorAxis 67.9 # mass ratio 0.69:0.64
Eccentricity 0.28 Eccentricity 0.01
Inclination 113 Inclination 123.3
AscendingNode 13 AscendingNode 348.8
ArgOfPericenter 277 ArgOfPericenter 4.3
MeanAnomaly 264 MeanAnomaly 135.4
} }
RotationPeriod 398.64 # 16.61 d
} }
"LHS 2090:LP 368-128" "LHS 2090:LP 368-128"
@ -3215,34 +3242,31 @@ Modify 106255 # Wolf 922
AppMag 2.79 AppMag 2.79
} }
# Orbit from Agati et al. (2015), A&A 574 (A6), 32 # Parameters from Bond et al. (2020), ApJ 904 (2), 112
# "Are the orbital poles of binary stars in the solar neighbourhood anisotropically # "Hubble Space Telescope Astrometry of the Metal-poor Visual Binary μ Cassiopeiae:
# distributed?" # Dynamical Masses, Helium Content, and Age"
# 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" Barycenter 5336 "MU Cas:30 Cas:Gliese 53"
{ {
RA 17.06831127 RA 17.06831127
Dec 54.92034067 Dec 54.9203406
Distance 24.638 # 132.38 +/- 0.82 mas Distance 24.586 # 132.66 +/- 0.69 mas
} }
"MU Cas A:30 Cas A:Gliese 53 A" "MU Cas A:30 Cas A:Gliese 53 A"
{ {
OrbitBarycenter "MU Cas" OrbitBarycenter "MU Cas"
SpectralType "G5VI" SpectralType "G5V"
AppMag 5.17 AppMag 5.166
Radius 548900
EllipticalOrbit { # fully specified orientation EllipticalOrbit { # fully specified orientation
Period 21.40 Period 21.568
SemiMajorAxis 1.528 # mass ratio 0.742:0.173 SemiMajorAxis 1.4186 # mass ratio 0.7440:0.1728
Eccentricity 0.53 Eccentricity 0.5885
Inclination 30.86 Inclination 25.62
AscendingNode 338.29 AscendingNode 344.53
ArgOfPericenter 129.88 ArgOfPericenter 124.96
MeanAnomaly 45.42 MeanAnomaly 46.34
} }
} }
@ -3252,14 +3276,14 @@ Barycenter 5336 "MU Cas:30 Cas:Gliese 53"
SpectralType "MVI" SpectralType "MVI"
AppMag 11.00 AppMag 11.00
EllipticalOrbit { # fully specified orientation EllipticalOrbit {
Period 21.40 Period 21.568
SemiMajorAxis 6.554 # mass ratio 0.742:0.173 SemiMajorAxis 6.1080 # mass ratio 0.7440:0.1728
Eccentricity 0.53 Eccentricity 0.5885
Inclination 30.86 Inclination 25.62
AscendingNode 338.29 AscendingNode 344.53
ArgOfPericenter 309.88 ArgOfPericenter 304.96
MeanAnomaly 45.42 MeanAnomaly 46.34
} }
} }