10370-0850 A   556AB

 
 
10H 37M 00.02S -08 50' 23.6" P.A. 208.6 SEP 0.95 MAG 7.10,9.80 SP G0V+K5V DIST. 39.86 PC (130.02 L.Y.)
 
 
Coord 2000
10370-0850
Discov num
A   556
Comp
AB
Coord arcsec 2000
10 37 00.02 -08 50 23.6
Date first
1903
Date last
2015
Obs
59
Pa first
54
Pa last
205
P.A. Now (θ)
208.6°
Sep first
1.3
Sep last
1.0
Sep. Now (ρ)
0.95"
Mag pri
7.10
Mag sec
9.80
delta mag (ΔM)
2.7
Spectral class
G0V+K5V (yellow/yellow-orange)
Pri motion ra
-094
Sec motion ra
-101
Pri motion dec
-049
Sec motion dec
-074
Notes
N O (See Notes, Orbital solution)
rPM=0.207 (< 0.3, Physical double)
This double is physical.
 
 
10370-0850 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 10370-0850 TOK 44 Aa,Ab 2003 2015 17 232 0.2 7.19 10.05 2.86 Y
Show 10370-0850 A 556 AB 1903 2015 59 209 1.0 7.10 9.80 2.70 Y <===
Triple system
2 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Sextans
HIP
51966
Tycho2
5492-00987-1
HD
91962
ADS
7854
BD
BD-08 2963
Distance
39.86
Distance ly
130.02
last precise pa
205.1
last precise sep
0.975
 
 
ORBITAL ELEMENTS
 
 
Period (P)205y Periastron (T)2048.6y± 2.5 Semi-major axis (a)1.334a± 0.016
Eccentricity (e)0.301± 0.016 Inclination (i)54.2°± 0.8 Longitude of periastron (ω)219.7°± 1.3
Node (Ω)63.2°± 2 Note Grade4(1=Definitive, 9=Indet.)
Equinox2000 Last observation2015
label rho theta
2000 0.858 171.4
2001 0.859 173.8
2002 0.861 176.1
2003 0.863 178.5
2004 0.866 180.8
2005 0.870 183.1
2006 0.875 185.4
2007 0.880 187.7
2008 0.885 189.9
2009 0.892 192.1
2010 0.898 194.3
2011 0.905 196.5
2012 0.912 198.6
2013 0.920 200.7
2014 0.927 202.7
2015 0.935 204.7
2016 0.943 206.7
2017 0.950 208.6
2018 0.958 210.5
2019 0.965 212.4
2020 0.972 214.3
2021 0.979 216.1
2022 0.985 217.9
2023 0.991 219.7
2024 0.996 221.5
2025 1.001 223.2
2026 1.005 225.0
2027 1.008 226.7
2028 1.010 228.4
2029 1.012 230.1
2030 1.012 231.8

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