02563+7253 STF 312AB

 
 
02H 56M 11.32S +72 53' 10.4" P.A. 46.3 SEP 1.76 MAG 8.16,8.92 SP G0 DIST. 65.96 PC (215.16 L.Y.)
 
 
Coord 2000
02563+7253
Discov num
STF 312
Comp
AB
Coord arcsec 2000
02 56 11.32 +72 53 10.4
Date first
1830
Date last
2016
Obs
88
Pa first
10
Pa last
49
P.A. Now (θ)
46.3°
Sep first
4.0
Sep last
1.8
Sep. Now (ρ)
1.76"
Mag pri
8.16
Mag sec
8.92
delta mag (ΔM)
0.76
Spectral class
G0 (yellow)
Pri motion ra
+042
Sec motion ra
+042
Pri motion dec
-051
Sec motion dec
-051
Notes
O (Orbital solution)
This double is physical.
 
 
02563+7253 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 4776 02563+7253 STF 312 AB 1830 2016 88 46 1.8 8.16 8.92 0.76 Y <===
Show 4776 02563+7253 STF 312 AC 1830 2016 34 132 43.0 8.16 10.14 1.98
Show 4776 02563+7253 STF 312 AD 1893 2015 8 283 59.0 8.16 12.82 4.66
Show 4776 02563+7253 STF 312 BC 1831 2013 23 134 42.8 8.92 10.14 1.22
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Cassiopeia
SAO
4776
HIP
13677
Tycho2
4321-01378-1
HD
17785
ADS
2204
BD
BD+72 152
Distance
65.96
Distance ly
215.16
last precise pa
48.8
last precise sep
1.777
 
 
ORBITAL ELEMENTS
 
 
Period (P)2037.66y± 58.53 Periastron (T)2137.36y± 52.99 Semi-major axis (a)3.88a± 0.042
Eccentricity (e)0.506± 0.006 Inclination (i)59.8°± 0.2 Longitude of periastron (ω)115.6°± 0.6
Node (Ω)14.5°± 0.2 Note Grade5(1=Definitive, 9=Indet.)
Equinox2000 Last observation2003
label rho theta
2000 1.979 40.7
2001 1.966 41.0
2002 1.953 41.3
2003 1.940 41.6
2004 1.927 41.9
2005 1.914 42.2
2006 1.901 42.5
2007 1.889 42.8
2008 1.876 43.2
2009 1.863 43.5
2010 1.850 43.8
2011 1.837 44.2
2012 1.824 44.5
2013 1.811 44.9
2014 1.798 45.2
2015 1.785 45.6
2016 1.771 45.9
2017 1.758 46.3
2018 1.745 46.7
2019 1.732 47.1
2020 1.719 47.5
2021 1.706 47.8
2022 1.693 48.2
2023 1.680 48.7
2024 1.667 49.1
2025 1.654 49.5
2026 1.642 49.9
2027 1.629 50.3
2028 1.616 50.8
2029 1.603 51.2
2030 1.590 51.7

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