01308-5940 TOK 183 (HD 9379)

 
 
01h 30m 46.18s -59 39' 33.9" P.A. 175.00 sep 0.1 mag 8.80,8.80 Sp G0V dist. 66.31 pc (216.3 l.y.)
 
 
Coord 2000 01308-5940 Discov num TOK 183 Comp Coord arcsec 2000 01 30 46.18 -59 39 33.9
Date first 2011 Date last 2021 Obs 16
Pa first 349 Pa last 175.3 P.A. Now (θ) 170.6°
Sep first 0.1 Sep last 0.063 Sep. Now (ρ) 0.085"
Mag pri 8.80 Mag sec 8.80 delta mag (ΔM) 0 Spectral class G0V (yellow)
Pri motion ra +112 Sec motion ra
Pri motion dec -025 Sec motion dec
Notes O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 9379 Constellation Hydrus SAO 232444 HIP 7040
Tycho2 8481-01119-1 Gaia DR2 4717042253393046528 HD 9379 GC 1842
CP CP-60 118 Distance 66.31 Distance ly 216.3
 
 
ORBITAL ELEMENTS
 
 
Period (P)6.586y± 0.05 Periastron (T)2020.43y± 0.07 Semi-major axis (a)0.0671a± 0.0013
Eccentricity (e)0.455± 0.017 Inclination (i)93.5°± 0.8 Longitude of periastron (ω)42.4°± 2.8
Node (Ω)352.3°± 0.6 Notes ReferenceTok2020e
Equinox Last observation Grade3(1=Definitive, 9=Indet.)
label theta rho
2000 355.6 0.038
2001 232.5 0.003
2002 173.1 0.070
2003 171.1 0.086
2004 169.0 0.071
2005 163.9 0.035
2006 9.5 0.014
2007 352.2 0.039
2008 176.0 0.037
2009 172.2 0.081
2010 170.3 0.083
2011 167.7 0.058
2012 154.3 0.016
2013 357.5 0.032
2014 343.9 0.015
2015 173.7 0.062
2016 171.4 0.086
2017 169.4 0.076
2018 165.5 0.042
2019 34.1 0.007
2020 353.5 0.041
2021 178.6 0.023
2022 172.5 0.078
2023 170.6 0.085
2024 168.3 0.064
2025 160.2 0.024
2026 0.3 0.025
2027 349.4 0.028
2028 174.3 0.053
2029 171.7 0.085
2030 169.8 0.079


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



 
 


wds01308-5940b.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic