09366-2442 FIN 383 (HD 83261)

 
 
09h 36m 33.74s -24° 42' 10.6" P.A. 138.00 sep 0.1 mag 7.20,7.20 Sp F3IV/V dist. 71.58 pc (233.49 l.y.)
 
 
Coord 2000 09366-2442 Discov num FIN 383 Comp Coord arcsec 2000 09 36 33.74 -24 42 10.6
Date first 1964 Date last 2021 Obs 21
Pa first 167 Pa last 138.1 P.A. Now (θ) 118.9°
Sep first 0.1 Sep last 0.106 Sep. Now (ρ) 0.083"
Mag pri 7.20 Mag sec 7.20 delta mag (ΔM) 0 Spectral class F3IV/V (yellow-white)
Pri motion ra -124 Sec motion ra
Pri motion dec +055 Sec motion dec
Notes O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 83261 Constellation Antlia SAO 177738 HIP 47159
Tycho2 6605-02468-1 Gaia DR2 5661903795447760000 HD 83261 HR 3828
GC 13278 CD CD-24 8263 CP CP-24 4141 Distance 71.58
Distance ly 233.49
 
 
ORBITAL ELEMENTS
 
 
Period (P)7.883y± 0.04 Periastron (T)2017.42y± 0.03 Semi-major axis (a)0.0814a± 0.002
Eccentricity (e)0.638± 0.011 Inclination (i)130.9°± 2.3 Longitude of periastron (ω)223.7°± 3.8
Node (Ω)176.2°± 2.9 Notes ReferenceTok2020e
Equinox Last observation Grade2(1=Definitive, 9=Indet.)
label theta rho
2000 101.0 0.066
2001 45.3 0.043
2002 228.2 0.030
2003 176.8 0.088
2004 162.1 0.113
2005 150.9 0.118
2006 139.2 0.109
2007 123.7 0.089
2008 96.7 0.063
2009 35.3 0.041
2010 212.9 0.039
2011 174.7 0.093
2012 160.8 0.114
2013 149.6 0.117
2014 137.6 0.107
2015 121.4 0.086
2016 91.9 0.060
2017 24.3 0.039
2018 203.1 0.047
2019 172.7 0.096
2020 159.4 0.115
2021 148.3 0.117
2022 136.1 0.105
2023 118.9 0.083
2024 86.7 0.057
2025 12.0 0.037
2026 196.3 0.055
2027 170.8 0.100
2028 158.1 0.116
2029 147.0 0.116
2030 134.4 0.103


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



 
 


wds09366-2442b.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic