02107+4426 COU 1667

 
 
02h 10m 43.10s +44° 26' 18.2" P.A. 62.00 sep 0.1 mag 9.20,9.20 Sp F5
 
 
Coord 2000 02107+4426 Discov num COU1667 Comp Coord arcsec 2000 02 10 43.10 +44 26 18.2
Date first 1978 Date last 1995 Obs 12
Pa first 78 Pa last 62 P.A. Now (θ) 62°
Sep first 0.2 Sep last 0.131 Sep. Now (ρ) 0.131"
Mag pri 9.20 Mag sec 9.20 delta mag (ΔM) 0 Spectral class F5 (yellow-white)
Pri motion ra +043 Sec motion ra
Pri motion dec -002 Sec motion dec
Notes O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Andromeda Tycho2 2842-01413-1 Gaia DR2 351805895113439488
 
 
ORBITAL ELEMENTS
 
 
Period (P)223.2y± 28.2 Periastron (T)2009.8y± 0.6 Semi-major axis (a)0.218a± 0.019
Eccentricity (e)0.596± 0.014 Inclination (i)124.2°± 1.3 Longitude of periastron (ω)77.2°± 5.5
Node (Ω)58.5°± 1.2 Notes ReferenceBAE2021
Equinox Last observation Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 51.8 0.111
2001 48.8 0.105
2002 45.5 0.099
2003 41.8 0.093
2004 37.5 0.087
2005 32.5 0.080
2006 26.5 0.073
2007 19.3 0.066
2008 10.7 0.060
2009 0.2 0.055
2010 347.9 0.051
2011 334.4 0.050
2012 320.6 0.051
2013 307.8 0.054
2014 296.7 0.058
2015 287.4 0.064
2016 279.8 0.071
2017 273.6 0.078
2018 268.4 0.086
2019 264.1 0.093
2020 260.4 0.100
2021 257.2 0.107
2022 254.3 0.114
2023 251.8 0.121
2024 249.6 0.127
2025 247.5 0.133
2026 245.6 0.139
2027 243.9 0.144
2028 242.3 0.149
2029 240.8 0.154
2030 239.4 0.159


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



 
 


wds02107%2B4426a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic