00063+5826 STF3062 (V640 Cas)

 
 
00H 06M 15.81S +58 26' 12.5" P.A. 359.7 SEP 1.55 MAG 6.42,7.32 SP G3V 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
2016
Obs
606
Pa first
37
Pa last
359
P.A. Now (θ)
359.7°
Sep first
1.3
Sep last
1.6
Sep. Now (ρ)
1.55"
Mag pri
6.42
Mag sec
7.32
delta mag (ΔM)
0.9
Spectral class
G3V (yellow)
Pri motion ra
+271
Sec motion ra
+271
Pri motion dec
+030
Sec motion dec
+030
Notes
N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Var name
V640 Cas
Constellation
Cassiopeia
SAO
21085
HIP
518
Tycho2
3664-01986-1
HD
123
HR
5
ADS
61
GL
Gl 4.1A
BD
BD+57 2865
Distance
21.48
Distance ly
70.07
last precise pa
359.3
last precise sep
1.58
 
 
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° Note Grade2(1=Definitive, 9=Indet.)
Equinox2000 Last observation
label rho theta
2000 1.504 327.9
2001 1.508 329.8
2002 1.513 331.7
2003 1.518 333.7
2004 1.522 335.6
2005 1.527 337.5
2006 1.531 339.4
2007 1.535 341.3
2008 1.539 343.1
2009 1.542 345.0
2010 1.545 346.8
2011 1.548 348.7
2012 1.550 350.5
2013 1.552 352.4
2014 1.553 354.2
2015 1.553 356.0
2016 1.553 357.9
2017 1.552 359.7
2018 1.550 1.5
2019 1.547 3.4
2020 1.542 5.2
2021 1.537 7.1
2022 1.530 9.0
2023 1.522 10.9
2024 1.513 12.8
2025 1.502 14.7
2026 1.489 16.7
2027 1.474 18.7
2028 1.457 20.8
2029 1.438 22.9
2030 1.416 25.0

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

grafico orbita





grafico misure orbit6
Measures: green=micrometric, blue=interferometric, purple=photographic