08230-7102 HDS 1196 AB (HD 71591)

 
 
08h 22m 59.85s -71° 02' 09.5" P.A. 76.00 sep 0.0 mag 9.36,10.13 Sp F6V dist. 132.1 pc (430.91 l.y.)
 
 
Coord 2000 08230-7102 Discov num HDS1196 Comp AB Coord arcsec 2000 08 22 59.85 -71 02 09.5
Date first 1991 Date last 2021 Obs 10
Pa first 25 Pa last 76.1 P.A. Now (θ) 117.7°
Sep first 0.1 Sep last 0.031 Sep. Now (ρ) 0.026"
Mag pri 9.36 Mag sec 10.13 delta mag (ΔM) 0.77 Spectral class F6V (yellow-white)
Pri motion ra -038 Sec motion ra
Pri motion dec +060 Sec motion dec
Notes O W (Orbital solution, )
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 71591 Constellation Volans HIP 41093 Tycho2 9197-02354-1
HD 71591 CP CP-70 768 Distance 132.1 Distance ly 430.91
 
 
ORBITAL ELEMENTS
 
 
Period (P)19.45y± 1.72 Periastron (T)2021.85y± 1.33 Semi-major axis (a)0.0652a± 0.0079
Eccentricity (e)0.63± 0.25 Inclination (i)133.6°± 24.5 Longitude of periastron (ω)175.7°± 2.2
Node (Ω)16.3°± 18.6 Notes ReferenceTok2020e
Equinox Last observation Grade3(1=Definitive, 9=Indet.)
label theta rho
2000 331.8 0.047
2001 301.0 0.030
2002 229.7 0.023
2003 155.7 0.024
2004 94.7 0.032
2005 66.4 0.047
2006 52.3 0.063
2007 43.5 0.076
2008 37.1 0.086
2009 32.0 0.095
2010 27.5 0.101
2011 23.5 0.104
2012 19.7 0.106
2013 16.0 0.106
2014 12.1 0.103
2015 8.0 0.098
2016 3.3 0.091
2017 357.7 0.082
2018 350.3 0.070
2019 339.3 0.054
2020 318.5 0.037
2021 266.3 0.023
2022 188.5 0.024
2023 117.7 0.026
2024 76.4 0.040
2025 57.7 0.056
2026 47.1 0.070
2027 39.8 0.082
2028 34.2 0.091
2029 29.5 0.098
2030 25.3 0.103


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


 
  


wds08230-7102a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic