13317-0219 HDS 1895 (HD 117635)

 
 
13h 31m 39.95s -02° 19' 02.7" P.A. 98.00 sep 0.1 mag 7.65,9.48 Sp G9V dist. 30.7 pc (100.14 l.y.)
 
 
Coord 2000 13317-0219 Discov num HDS1895 Comp Coord arcsec 2000 13 31 39.95 -02 19 02.7
Date first 2001 Date last 2021 Obs 31
Pa first 63 Pa last 97.6 P.A. Now (θ) 187.9°
Sep first 0.1 Sep last 0.125 Sep. Now (ρ) 0.089"
Mag pri 7.65 Mag sec 9.48 delta mag (ΔM) 1.83 Spectral class G9V (yellow)
Pri motion ra -855 Sec motion ra
Pri motion dec +268 Sec motion dec
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 117635 Constellation Virgo SAO 139384 HIP 65982
Tycho2 4966-00099-1 HD 117635 GC 18284 GL NN 3788
BD BD-01 2832 Distance 30.7 Distance ly 100.14
 
 
ORBITAL ELEMENTS
 
 
Period (P)3.239y± 0 Periastron (T)2013.78y± 0 Semi-major axis (a)0.0968a± 0.0007
Eccentricity (e)0.534± 0.006 Inclination (i)19.6°± 2.3 Longitude of periastron (ω)358.8°± 3
Node (Ω)309.2°± 2.7 Notesn ReferenceTok2020e
Equinox Last observation Grade2(1=Definitive, 9=Indet.)
label theta rho
2000 162.7 0.119
2001 11.6 0.054
2002 110.7 0.139
2003 150.4 0.134
2004 282.8 0.046
2005 99.5 0.127
2006 140.3 0.144
2007 215.0 0.067
2008 85.2 0.109
2009 131.0 0.148
2010 183.5 0.094
2011 63.8 0.085
2012 122.0 0.147
2013 165.4 0.116
2014 23.3 0.058
2015 112.5 0.141
2016 152.5 0.132
2017 300.3 0.045
2018 101.7 0.130
2019 142.0 0.143
2020 223.8 0.062
2021 88.2 0.112
2022 132.7 0.148
2023 187.9 0.089
2024 68.7 0.089
2025 123.7 0.148
2026 168.2 0.112
2027 33.3 0.063
2028 114.3 0.143
2029 154.6 0.129
2030 318.2 0.045


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


 
  


wds13317-0219d.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic