09150-3736 HDS 1337 (HD 79807)

 
 
09h 14m 57.17s -37 36' 08.5" P.A. 187.00 sep 0.1 mag 6.25,7.78 Sp K0/K1III dist. 196.85 pc (642.12 l.y.)
 
 
Coord 2000 09150-3736 Discov num HDS1337 Comp Coord arcsec 2000 09 14 57.17 -37 36 08.5
Date first 1991 Date last 2020 Obs 7
Pa first 164 Pa last 186.9 P.A. Now (θ) 181.8°
Sep first 0.1 Sep last 0.087 Sep. Now (ρ) 0.11"
Mag pri 6.25 Mag sec 7.78 delta mag (ΔM) 1.53 Spectral class K0/K1III (yellow-orange)
Pri motion ra +004 Sec motion ra
Pri motion dec -012 Sec motion dec
Notes O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 79807 Constellation Vela SAO 200152 HIP 45386
Tycho2 7678-04340-1 Gaia DR2 5622894737807583104 HD 79807 HR 3677
GC 12773 CD CD-37 5578 CP CP-37 3259 Distance 196.85
Distance ly 642.12
 
 
ORBITAL ELEMENTS
 
 
Period (P)43.7y Periastron (T)2013.76y Semi-major axis (a)0.108a
Eccentricity (e)0.426 Inclination (i)107.8° Longitude of periastron (ω)216.3°
Node (Ω)175.6° Notes ReferenceTok2021f
Equinox Last observation2020 Grade3(1=Definitive, 9=Indet.)
label theta rho
2000 138.3 0.065
2001 131.0 0.056
2002 120.9 0.048
2003 107.1 0.041
2004 89.0 0.036
2005 68.4 0.036
2006 49.4 0.039
2007 34.5 0.045
2008 23.3 0.053
2009 14.9 0.060
2010 8.0 0.065
2011 2.0 0.068
2012 356.1 0.066
2013 349.5 0.060
2014 340.4 0.048
2015 323.8 0.033
2016 285.8 0.022
2017 234.1 0.026
2018 208.9 0.041
2019 197.7 0.058
2020 191.5 0.073
2021 187.3 0.087
2022 184.2 0.099
2023 181.8 0.110
2024 179.8 0.119
2025 178.0 0.126
2026 176.4 0.132
2027 175.0 0.136
2028 173.6 0.139
2029 172.2 0.141
2030 170.9 0.142


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



 
 


wds09150-3736a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic