00063+5826 STF 3062 (V640 Cas)

 
 
00h 06m 15.81s +58° 26' 12.5" P.A. 7.00 sep 1.5 mag 6.42,7.32 Sp G3V+G8V dist. 21.48 pc (70.07 l.y.)
 
 
Coord 2000 00063+5826 Discov num STF3062 Comp Coord arcsec 2000 00 06 15.81 +58 26 12.5
Date first 1823 Date last 2020 Obs 637
Pa first 37 Pa last 6.5 P.A. Now (θ) 10.9°
Sep first 1.3 Sep last 1.53 Sep. Now (ρ) 1.522"
Mag pri 6.42 Mag sec 7.32 delta mag (ΔM) 0.9 Spectral class G3V+G8V (yellow/yellow)
Pri motion ra +238 Sec motion ra +285
Pri motion dec +037 Sec motion dec +038
Notes N O (See Notes, Orbital solution)
rPM=0.164 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Var name V640 Cas Constellation Cassiopeia SAO 21085 HIP 518
Tycho2 3664-01986-1 Gaia DR2 423075173680043904 HD 123 HR 5
GC 88 ADS 61 GL Gl 4.1A BD BD+57 2865
Distance 21.48 Distance ly 70.07
 
 
ORBITAL ELEMENTS
 
 
Period (P)106.7y Periastron (T)1943.1y Semi-major axis (a)1.44a
Eccentricity (e)0.45 Inclination (i)45° Longitude of periastron (ω)277°
Node (Ω)221° Notesn ReferenceSod1999
Equinox2000 Last observation Grade2(1=Definitive, 9=Indet.)
label theta rho
2000 327.9 1.504
2001 329.8 1.508
2002 331.7 1.513
2003 333.7 1.518
2004 335.6 1.522
2005 337.5 1.527
2006 339.4 1.531
2007 341.3 1.535
2008 343.1 1.539
2009 345.0 1.542
2010 346.8 1.545
2011 348.7 1.548
2012 350.5 1.550
2013 352.4 1.552
2014 354.2 1.553
2015 356.0 1.553
2016 357.9 1.553
2017 359.7 1.552
2018 1.5 1.550
2019 3.4 1.547
2020 5.2 1.542
2021 7.1 1.537
2022 9.0 1.530
2023 10.9 1.522
2024 12.8 1.513
2025 14.7 1.502
2026 16.7 1.489
2027 18.7 1.474
2028 20.8 1.457
2029 22.9 1.438
2030 25.0 1.416


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



 
 


wds00063%2B5826a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic