01316-5322 I 264 AB

 
 
01h 31m 35.29s -53 22' 10.1" P.A. 24.00 sep 0.8 mag 8.36,8.84 Sp F5 dist. 101.52 pc (331.16 l.y.)
 
 
Coord 2000 01316-5322 Discov num I   264 Comp AB Coord arcsec 2000 01 31 35.29 -53 22 10.1
Date first 1898 Date last 2021 Obs 47
Pa first 130 Pa last 23.6 P.A. Now (θ) 23.6°
Sep first 0.5 Sep last 0.79 Sep. Now (ρ) 0.79"
Mag pri 8.36 Mag sec 8.84 delta mag (ΔM) 0.48 Spectral class F5 (yellow-white)
Pri motion ra +084 Sec motion ra +084
Pri motion dec +030 Sec motion dec +030
Notes O (Orbital solution)
This double is physical.
 
 
01316-5322 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 232450 01 31 35 -53 22 10 I 264 AB 2021 47 24 0.8 8.36 8.84 0.48 Y <===
Show HD 9438 232450 01 31 35 -53 22 10 HJ 3444 AB,C 2000 9 7 39.0 8.01 11.20 3.19
Triple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Eridanus SAO 232450 HIP 7111 Tycho2 8475-01039-1
Gaia DR2 4915790460562750720 HD 9438 GC 1860 CP CP-54 342
Distance 101.52 Distance ly 331.16
 
 
ORBITAL ELEMENTS
 
 
Period (P)250y Periastron (T)1889.5y Semi-major axis (a)1.46a
Eccentricity (e)0.892 Inclination (i)107.4° Longitude of periastron (ω)276.9°
Node (Ω)141° Notes ReferenceUSN2002
Equinox2000 Last observation1995 Grade5(1=Definitive, 9=Indet.)
label theta rho
2000 37.1 0.841
2001 36.5 0.844
2002 35.9 0.847
2003 35.3 0.850
2004 34.7 0.853
2005 34.2 0.856
2006 33.6 0.859
2007 33.0 0.862
2008 32.5 0.865
2009 31.9 0.868
2010 31.4 0.871
2011 30.8 0.874
2012 30.3 0.877
2013 29.8 0.880
2014 29.2 0.883
2015 28.7 0.886
2016 28.2 0.889
2017 27.7 0.892
2018 27.1 0.895
2019 26.6 0.898
2020 26.1 0.901
2021 25.6 0.904
2022 25.1 0.907
2023 24.6 0.910
2024 24.1 0.912
2025 23.6 0.915
2026 23.1 0.918
2027 22.6 0.921
2028 22.1 0.924
2029 21.6 0.927
2030 21.2 0.929


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



 
 


wds01316-5322a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic