10345-3721 RST 3706 (HD 91673)

 
 
10h 34m 31.21s -37 21' 15.1" P.A. 110.00 sep 0.0 mag 8.86,9.39 Sp F8V dist. 206.61 pc (673.96 l.y.)
 
 
Coord 2000 10345-3721 Discov num RST3706 Comp Coord arcsec 2000 10 34 31.21 -37 21 15.1
Date first 1936 Date last 2021 Obs 16
Pa first 223 Pa last 110.3 P.A. Now (θ) 69.1°
Sep first 0.2 Sep last 0.024 Sep. Now (ρ) 0.051"
Mag pri 8.86 Mag sec 9.39 delta mag (ΔM) 0.53 Spectral class F8V (yellow-white)
Pri motion ra -047 Sec motion ra
Pri motion dec +017 Sec motion dec
Notes O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 91673 Constellation Antlia SAO 201524 HIP 51760
Tycho2 7197-01416-1 Gaia DR2 5442216596216744320 HD 91673 GC 14537
CD CD-36 6489 CP CP-36 4425 Distance 206.61 Distance ly 673.96
 
 
ORBITAL ELEMENTS
 
 
Period (P)62.6y± 6.34 Periastron (T)2025.8y± 1.77 Semi-major axis (a)0.1517a± 0.0183
Eccentricity (e)0.292± 0.092 Inclination (i)103.9°± 2.3 Longitude of periastron (ω)324.1°± 7.3
Node (Ω)40.8°± 2.1 Notes ReferenceTok2020e
Equinox Last observation Grade3(1=Definitive, 9=Indet.)
label theta rho
2000 225.1 0.184
2001 224.2 0.185
2002 223.4 0.186
2003 222.5 0.185
2004 221.6 0.184
2005 220.7 0.181
2006 219.7 0.178
2007 218.7 0.174
2008 217.7 0.168
2009 216.6 0.161
2010 215.4 0.154
2011 214.0 0.145
2012 212.4 0.135
2013 210.6 0.124
2014 208.4 0.111
2015 205.6 0.098
2016 202.0 0.084
2017 196.7 0.069
2018 188.7 0.054
2019 174.8 0.041
2020 149.5 0.030
2021 113.2 0.029
2022 84.9 0.038
2023 69.1 0.051
2024 60.1 0.065
2025 54.2 0.079
2026 49.9 0.091
2027 46.6 0.100
2028 43.7 0.107
2029 41.2 0.112
2030 38.8 0.114


 
grafico orbita
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.



 
 


wds10345-3721a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic