05055+1948 STT 95 (HD 32642)

 
 
05h 05m 32.08s +19° 48' 24.4" P.A. 293.00 sep 0.9 mag 7.02,7.56 Sp A5m dist. 137.74 pc (449.31 l.y.)
 
 
Coord 2000 05055+1948 Discov num STT  95 Comp Coord arcsec 2000 05 05 32.08 +19 48 24.4
Date first 1843 Date last 2021 Obs 209
Pa first 0 Pa last 292.7 P.A. Now (θ) 292.7°
Sep first 0.5 Sep last 0.91 Sep. Now (ρ) 0.91"
Mag pri 7.02 Mag sec 7.56 delta mag (ΔM) 0.54 Spectral class A5m (white)
Pri motion ra -010 Sec motion ra -010
Pri motion dec -014 Sec motion dec -014
Notes O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 32642 Constellation Taurus SAO 94306 HIP 23695
Tycho2 1290-01222-1 Gaia DR2 3407946770011920768 HD 32642 HR 1642
GC 6211 ADS 3672 BD BD+19 847 Distance 137.74
Distance ly 449.31
 
 
ORBITAL ELEMENTS
 
 
Period (P)760.34y Periastron (T)1833.68y Semi-major axis (a)3.03a
Eccentricity (e)0.97 Inclination (i)100.7° Longitude of periastron (ω)272.9°
Node (Ω)6.6° Notes ReferenceJas1996b
Equinox2000 Last observation1991 Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 299.7 0.945
2001 299.5 0.946
2002 299.2 0.947
2003 299.0 0.948
2004 298.8 0.949
2005 298.6 0.950
2006 298.4 0.951
2007 298.2 0.953
2008 297.9 0.954
2009 297.7 0.955
2010 297.5 0.956
2011 297.3 0.957
2012 297.1 0.958
2013 296.9 0.959
2014 296.7 0.960
2015 296.4 0.961
2016 296.2 0.962
2017 296.0 0.963
2018 295.8 0.964
2019 295.6 0.965
2020 295.4 0.967
2021 295.2 0.968
2022 295.0 0.969
2023 294.8 0.970
2024 294.6 0.971
2025 294.3 0.972
2026 294.1 0.973
2027 293.9 0.974
2028 293.7 0.975
2029 293.5 0.976
2030 293.3 0.977


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



 
 


wds05055%2B1948a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic