09387-3937 I 202 (HD 83610)

 
 
09h 38m 40.71s -39 36' 50.9" P.A. 250.00 sep 0.3 mag 7.02,8.37 Sp F6V dist. 40.93 pc (133.51 l.y.)
 
 
Coord 2000 09387-3937 Discov num I   202 Comp Coord arcsec 2000 09 38 40.71 -39 36 50.9
Date first 1897 Date last 2021 Obs 29
Pa first 359 Pa last 250.1 P.A. Now (θ) 250.1°
Sep first 1.0 Sep last 0.289 Sep. Now (ρ) 0.289"
Mag pri 7.02 Mag sec 8.37 delta mag (ΔM) 1.35 Spectral class F6V (yellow-white)
Pri motion ra -046 Sec motion ra -046
Pri motion dec -064 Sec motion dec -064
Notes O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 83610 Constellation Antlia SAO 200590 HIP 47328
Tycho2 7696-01463-1 Gaia DR2 5432546322733015808 HD 83610 HR 3844
GC 13334 CD CD-39 5697 CP CP-39 3779 Distance 40.93
Distance ly 133.51
 
 
ORBITAL ELEMENTS
 
 
Period (P)163.69y± 3.53 Periastron (T)2005.49y± 0.67 Semi-major axis (a)0.932a± 0.017
Eccentricity (e)0.414± 0.012 Inclination (i)111.4°± 0.9 Longitude of periastron (ω)203.4°± 2.2
Node (Ω)178.6°± 1.1 Notes ReferenceTok2015c
Equinox2000 Last observation2014 Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 1.4 0.566
2001 359.4 0.562
2002 357.4 0.555
2003 355.3 0.545
2004 353.1 0.532
2005 350.8 0.516
2006 348.3 0.497
2007 345.7 0.476
2008 342.7 0.452
2009 339.4 0.426
2010 335.7 0.399
2011 331.4 0.371
2012 326.5 0.344
2013 320.6 0.317
2014 313.7 0.292
2015 305.7 0.270
2016 296.4 0.254
2017 286.1 0.243
2018 275.1 0.240
2019 264.3 0.245
2020 254.1 0.257
2021 245.1 0.275
2022 237.4 0.298
2023 230.8 0.325
2024 225.3 0.355
2025 220.7 0.386
2026 216.7 0.418
2027 213.4 0.451
2028 210.5 0.485
2029 208.0 0.518
2030 205.7 0.551


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



 
 


wds09387-3937c.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic