00209+3259 AC 1 (HD 1641)

 
 
00h 20m 54.10s +32 58' 40.9" P.A. 291.00 sep 1.9 mag 7.27,8.26 Sp F5V dist. 67.93 pc (221.59 l.y.)
 
 
Coord 2000 00209+3259 Discov num AC    1 Comp Coord arcsec 2000 00 20 54.10 +32 58 40.9
Date first 1859 Date last 2020 Obs 133
Pa first 278 Pa last 290.9 P.A. Now (θ) 290.9°
Sep first 0.4 Sep last 1.911 Sep. Now (ρ) 1.911"
Mag pri 7.27 Mag sec 8.26 delta mag (ΔM) 0.99 Spectral class F5V (yellow-white)
Pri motion ra +006 Sec motion ra +006
Pri motion dec -065 Sec motion dec -065
Notes O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 1641 Constellation Andromeda SAO 53827 HIP 1669
Tycho2 2265-01113-1 Gaia DR2 2863371030285831680 HD 1641 GC 417
ADS 285 BD BD+32 48 Distance 67.93 Distance ly 221.59
 
 
ORBITAL ELEMENTS
 
 
Period (P)525y Periastron (T)1820.1y Semi-major axis (a)1.234a
Eccentricity (e)0.6 Inclination (i)84° Longitude of periastron (ω)26.8°
Node (Ω)107.5° Notes ReferenceZir2015a
Equinox2000 Last observation2012 Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 288.4 1.812
2001 288.4 1.815
2002 288.4 1.817
2003 288.4 1.819
2004 288.5 1.821
2005 288.5 1.823
2006 288.5 1.825
2007 288.5 1.827
2008 288.6 1.829
2009 288.6 1.831
2010 288.6 1.832
2011 288.7 1.834
2012 288.7 1.835
2013 288.7 1.837
2014 288.7 1.838
2015 288.8 1.839
2016 288.8 1.840
2017 288.8 1.842
2018 288.8 1.843
2019 288.9 1.844
2020 288.9 1.844
2021 288.9 1.845
2022 288.9 1.846
2023 289.0 1.847
2024 289.0 1.847
2025 289.0 1.848
2026 289.0 1.848
2027 289.1 1.849
2028 289.1 1.849
2029 289.1 1.849
2030 289.1 1.850


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



 
 


wds00209%2B3259a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic