01014+3535 COU 854 (HD 5955)

 
 
01h 01m 25.08s +35 34' 43.4" P.A. 196.00 sep 0.2 mag 9.95,9.52 Sp F8 dist. 150.38 pc (490.54 l.y.)
 
 
Coord 2000 01014+3535 Discov num COU 854 Comp Coord arcsec 2000 01 01 25.08 +35 34 43.4
Date first 1972 Date last 2013 Obs 46
Pa first 60 Pa last 196.4 P.A. Now (θ) 320.9°
Sep first 0.2 Sep last 0.185 Sep. Now (ρ) 0.14"
Mag pri 9.95 Mag sec 9.52 delta mag (ΔM) 0.43 Spectral class F8 (yellow-white)
Pri motion ra +032 Sec motion ra
Pri motion dec -026 Sec motion dec
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 5955 Constellation Andromeda SAO 54349 HIP 4783
Tycho2 2285-00592-1 Gaia DR2 363428866888743168 HD 5955 BD BD+34 164
Distance 150.38 Distance ly 490.54
 
 
ORBITAL ELEMENTS
 
 
Period (P)68.11y± 3.71 Periastron (T)1999.59y± 4.24 Semi-major axis (a)0.149a± 0.005
Eccentricity (e)0.123± 0.022 Inclination (i)150.4°± 7.7 Longitude of periastron (ω)127°± 21.4
Node (Ω)221.1°± 10.4 Notesn ReferenceHrt2009
Equinox Last observation2007 Grade3(1=Definitive, 9=Indet.)
label theta rho
2000 87.3 0.121
2001 80.5 0.123
2002 74.0 0.125
2003 67.6 0.128
2004 61.6 0.130
2005 55.7 0.132
2006 50.0 0.134
2007 44.4 0.136
2008 39.0 0.137
2009 33.6 0.138
2010 28.4 0.139
2011 23.1 0.140
2012 18.0 0.140
2013 12.8 0.140
2014 7.6 0.140
2015 2.5 0.140
2016 357.3 0.140
2017 352.1 0.140
2018 346.9 0.139
2019 341.7 0.139
2020 336.5 0.139
2021 331.3 0.139
2022 326.1 0.140
2023 320.9 0.140
2024 315.8 0.141
2025 310.7 0.142
2026 305.7 0.143
2027 300.7 0.144
2028 295.9 0.145
2029 291.1 0.146
2030 286.4 0.148


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



 
 


wds01014%2B3535b.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic