03127+7133 STT  50AB

 
 
03H 12M 39.10S +71 33' 20.7" P.A. 143.2 SEP 0.89 MAG 8.43,8.46 SP F8 DIST. 47.98 PC (156.51 L.Y.)
 
 
Coord 2000
03127+7133
Discov num
STT  50
Comp
AB
Coord arcsec 2000
03 12 39.10 +71 33 20.7
Date first
1843
Date last
2016
Obs
126
Pa first
236
Pa last
146
P.A. Now (θ)
143.2°
Sep first
0.9
Sep last
1.0
Sep. Now (ρ)
0.89"
Mag pri
8.43
Mag sec
8.46
delta mag (ΔM)
0.03
Spectral class
F8 (yellow-white)
Pri motion ra
+015
Sec motion ra
+015
Pri motion dec
+016
Sec motion dec
+016
Notes
N O (See Notes, Orbital solution)
This double is physical.
 
 
03127+7133 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 4846 03127+7133 SCA 171 Aa,Ab 2009 2009 1 27 0.4 8.43 9.10 0.67
Show 4846 03127+7133 STT 50 AB 1843 2016 126 143 0.9 8.43 8.46 0.03 Y <===
Show 4846 03127+7133 HJ 2172 AC 1831 2003 5 298 28.2 8.43 13.90 5.47
Quadruple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Cassiopeia
SAO
4846
HIP
14944
Tycho2
4334-00871-1
HD
19475
ADS
2377
BD
BD+70 230
Distance
47.98
Distance ly
156.51
last precise pa
146.2
last precise sep
1.026
 
 
ORBITAL ELEMENTS
 
 
Period (P)309y Periastron (T)2087y Semi-major axis (a)1.02a
Eccentricity (e)0.4 Inclination (i)135.9° Longitude of periastron (ω)5.6°
Node (Ω)14.3° Note Grade4(1=Definitive, 9=Indet.)
Equinox2000 Last observation2009
label rho theta
2000 1.063 157.4
2001 1.054 156.7
2002 1.044 156.0
2003 1.035 155.3
2004 1.025 154.5
2005 1.015 153.7
2006 1.005 153.0
2007 0.995 152.2
2008 0.985 151.3
2009 0.975 150.5
2010 0.964 149.7
2011 0.954 148.8
2012 0.944 147.9
2013 0.934 147.0
2014 0.923 146.1
2015 0.913 145.1
2016 0.902 144.2
2017 0.892 143.2
2018 0.882 142.2
2019 0.871 141.1
2020 0.861 140.1
2021 0.850 139.0
2022 0.840 137.8
2023 0.830 136.7
2024 0.819 135.5
2025 0.809 134.3
2026 0.799 133.1
2027 0.789 131.8
2028 0.779 130.5
2029 0.769 129.2
2030 0.759 127.8

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