01105+3917 COU 1212

 
 
01h 10m 28.86s +39 16' 43.6" P.A. 174.00 sep 0.3 mag 9.50,10.20 Sp K2
 
 
Coord 2000 01105+3917 Discov num COU1212 Comp Coord arcsec 2000 01 10 28.86 +39 16 43.6
Date first 1974 Date last 2013 Obs 8
Pa first 325 Pa last 174.3 P.A. Now (θ) 174.3°
Sep first 0.4 Sep last 0.269 Sep. Now (ρ) 0.269"
Mag pri 9.50 Mag sec 10.20 delta mag (ΔM) 0.7 Spectral class K2 (yellow-orange)
Pri motion ra +021 Sec motion ra
Pri motion dec +020 Sec motion dec
Notes O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Andromeda Tycho2 2800-00759-1 Gaia DR2 370275250917792896
 
 
ORBITAL ELEMENTS
 
 
Period (P)110y Periastron (T)1998.51y Semi-major axis (a)0.59a
Eccentricity (e)0.55 Inclination (i)101° Longitude of periastron (ω)73.8°
Node (Ω)125° Notes ReferenceCou1999b
Equinox Last observation Grade5(1=Definitive, 9=Indet.)
label theta rho
2000 16.6 0.054
2001 338.4 0.094
2002 325.0 0.146
2003 318.7 0.198
2004 315.0 0.247
2005 312.5 0.292
2006 310.6 0.333
2007 309.1 0.370
2008 307.9 0.403
2009 306.9 0.433
2010 306.0 0.459
2011 305.1 0.482
2012 304.4 0.503
2013 303.7 0.521
2014 303.0 0.536
2015 302.4 0.549
2016 301.8 0.561
2017 301.3 0.570
2018 300.7 0.578
2019 300.2 0.584
2020 299.7 0.589
2021 299.1 0.593
2022 298.6 0.595
2023 298.1 0.596
2024 297.6 0.596
2025 297.1 0.594
2026 296.6 0.592
2027 296.1 0.589
2028 295.5 0.585
2029 295.0 0.580
2030 294.5 0.575


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



 
 


wds01105%2B3917a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic