10050-5119 HU 1594 (HD 87652)

 
 
10h 05m 01.86s -51° 18' 49.1" P.A. 40.00 sep 0.1 mag 6.81,7.16 Sp B8/9III dist. 175.13 pc (571.27 l.y.)
 
 
Coord 2000 10050-5119 Discov num HU 1594 Comp Coord arcsec 2000 10 05 01.86 -51 18 49.1
Date first 1915 Date last 2020 Obs 36
Pa first 260 Pa last 40 P.A. Now (θ) 59.1°
Sep first 0.2 Sep last 0.103 Sep. Now (ρ) 0.101"
Mag pri 6.81 Mag sec 7.16 delta mag (ΔM) 0.35 Spectral class B8/9III (blue-white)
Pri motion ra -021 Sec motion ra
Pri motion dec +012 Sec motion dec
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 87652 Constellation Vela SAO 237675 HIP 49394
Tycho2 8194-02009-1 Gaia DR2 5405104161787702528 HD 87652 GC 13874
CD CD-50 4791 CP CP-50 3018 Distance 175.13 Distance ly 571.27
 
 
ORBITAL ELEMENTS
 
 
Period (P)134.51y± 3.76 Periastron (T)2028.97y± 2.28 Semi-major axis (a)0.281a± 0.009
Eccentricity (e)0.629± 0.033 Inclination (i)64.4°± 3.3 Longitude of periastron (ω)21°± 4.6
Node (Ω)87.3°± 1.6 Notesn ReferenceTok2015c
Equinox2000 Last observation2014 Grade3(1=Definitive, 9=Indet.)
label theta rho
2000 301.2 0.225
2001 302.6 0.216
2002 304.2 0.207
2003 306.0 0.198
2004 307.9 0.189
2005 310.0 0.179
2006 312.3 0.170
2007 314.9 0.161
2008 317.8 0.152
2009 321.1 0.143
2010 324.8 0.134
2011 329.0 0.125
2012 333.8 0.117
2013 339.3 0.110
2014 345.6 0.103
2015 352.7 0.098
2016 0.5 0.093
2017 9.0 0.090
2018 17.9 0.089
2019 26.9 0.089
2020 35.7 0.091
2021 44.1 0.094
2022 51.9 0.097
2023 59.1 0.101
2024 65.8 0.105
2025 72.0 0.108
2026 78.0 0.110
2027 83.9 0.109
2028 90.1 0.105
2029 96.9 0.098
2030 105.0 0.089


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



 
 


wds10050-5119b.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic