01015+6922 A 2901 (HD 5839)

 
 
01h 01m 30.15s +69 21' 30.7" P.A. 64.00 sep 0.4 mag 7.12,7.84 Sp B9 dist. 273.97 pc (893.69 l.y.)
 
 
Coord 2000 01015+6922 Discov num A  2901 Comp Coord arcsec 2000 01 01 30.15 +69 21 30.7
Date first 1917 Date last 2018 Obs 53
Pa first 10 Pa last 63.6 P.A. Now (θ) 63.6°
Sep first 0.2 Sep last 0.438 Sep. Now (ρ) 0.438"
Mag pri 7.12 Mag sec 7.84 delta mag (ΔM) 0.72 Spectral class B9 (blue-white)
Pri motion ra -007 Sec motion ra -007
Pri motion dec -003 Sec motion dec -003
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 5839 Constellation Cassiopeia SAO 11526 HIP 4789
Tycho2 4296-00103-1 HD 5839 GC 1212 ADS 836
BD BD+68 64 Distance 273.97 Distance ly 893.69
 
 
ORBITAL ELEMENTS
 
 
Period (P)1517.34y± 60.15 Periastron (T)1950.56y± 61.32 Semi-major axis (a)0.99a± 0.08
Eccentricity (e)0.621± 0.033 Inclination (i)69.3°± 0.9 Longitude of periastron (ω)330.2°± 0.9
Node (Ω)48.4°± 0.7 Notesn ReferenceNov2007d
Equinox2000 Last observation2001 Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 58.4 0.411
2001 58.7 0.411
2002 59.1 0.410
2003 59.5 0.410
2004 59.9 0.410
2005 60.3 0.409
2006 60.7 0.409
2007 61.0 0.408
2008 61.4 0.407
2009 61.8 0.407
2010 62.2 0.406
2011 62.6 0.405
2012 63.0 0.405
2013 63.4 0.404
2014 63.8 0.403
2015 64.2 0.402
2016 64.6 0.401
2017 65.0 0.400
2018 65.4 0.399
2019 65.8 0.398
2020 66.2 0.397
2021 66.6 0.396
2022 67.0 0.395
2023 67.4 0.394
2024 67.9 0.392
2025 68.3 0.391
2026 68.7 0.390
2027 69.1 0.389
2028 69.5 0.387
2029 70.0 0.386
2030 70.4 0.385


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



 
 


wds01015%2B6922b.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic