05535+3720 BU 1053 (HD 39315)

 
 
05h 53m 28.64s +37° 20' 20.7" sep 1.9 mag 6.91,8.83 Sp F5 dist. 68.54 pc (223.58 l.y.)
 
 
Coord 2000 05535+3720 Discov num BU 1053 Comp Coord arcsec 2000 05 53 28.64 +37 20 20.7
Date first 1889 Date last 2019 Obs 62
Pa first 283 Pa last 0.4 P.A. Now (θ) 0.4°
Sep first 0.4 Sep last 1.899 Sep. Now (ρ) 1.899"
Mag pri 6.91 Mag sec 8.83 delta mag (ΔM) 1.92 Spectral class F5 (yellow-white)
Pri motion ra -038 Sec motion ra -038
Pri motion dec +079 Sec motion dec +079
Notes O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 39315 Constellation Auriga SAO 58535 HIP 27844
Tycho2 2418-00518-1 Gaia DR2 3456154930349411200 HD 39315 GC 7386
ADS 4472 BD BD+37 1347 Distance 68.54 Distance ly 223.58
 
 
ORBITAL ELEMENTS
 
 
Period (P)688.418y± 358.9154 Periastron (T)1912.4542y± 13.9327 Semi-major axis (a)2.16606a± 0.96334
Eccentricity (e)0.75317± 0.20062 Inclination (i)69.182°± 7.164 Longitude of periastron (ω)77.835°± 18.542
Node (Ω)162.539°± 16.838 Notes ReferenceIzm2019
Equinox Last observation2013 Grade5(1=Definitive, 9=Indet.)
label theta rho
2000 357.0 1.785
2001 357.2 1.791
2002 357.4 1.796
2003 357.5 1.802
2004 357.7 1.808
2005 357.9 1.813
2006 358.1 1.818
2007 358.2 1.824
2008 358.4 1.829
2009 358.6 1.834
2010 358.8 1.839
2011 358.9 1.843
2012 359.1 1.848
2013 359.3 1.853
2014 359.4 1.857
2015 359.6 1.861
2016 359.8 1.865
2017 359.9 1.870
2018 0.1 1.874
2019 0.3 1.877
2020 0.4 1.881
2021 0.6 1.885
2022 0.7 1.889
2023 0.9 1.892
2024 1.1 1.895
2025 1.2 1.899
2026 1.4 1.902
2027 1.5 1.905
2028 1.7 1.908
2029 1.9 1.911
2030 2.0 1.914


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



 
 


wds05535%2B3720b.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic