10131+2725 STT 213AB

 
 
10h 13m 08.88s +27 25' 10.5" P.A. 120 sep 1.08 mag 8.62,9.83 Sp G5V dist. 71.79 pc (234.18 l.y.)
 
 
Coord 2000
10131+2725
Discov num
STT 213
Comp
AB
Coord arcsec 2000
10 13 08.88 +27 25 10.5
Date first
1843
Date last
2017
Obs
85
Pa first
125
Pa last
121
P.A. Now (θ)
120°
Sep first
0.8
Sep last
1.1
Sep. Now (ρ)
1.08"
Mag pri
8.62
Mag sec
9.83
delta mag (ΔM)
1.21
Spectral class
G5V (yellow)
Pri motion ra
-050
Sec motion ra
-050
Pri motion dec
-123
Sec motion dec
-123
Notes
O (Orbital solution)
This double is physical.
 
 
10131+2725 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 81238 10131+2725 STT 213 AB 1843 2017 85 120 1.1 8.62 9.83 1.21 Y <===
Show 81238 10131+2725 SKF2825 AB,C 1955 2015 6 238 20.9 8.31 15.70 7.39
Triple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
120.8
Precise sep
1.091
Cdsa2 id
STT 213 AB
Constellation
Leo
SAO
81238
HIP
50052
Tycho2
1971-00033-1
HD
88533
ADS
7685
BD
BD+28 1855
Ra deg
10.219133333333334
De deg
27.419583333333335
Distance
71.79
Distance ly
234.18
last precise pa
120.8
last precise sep
1.091
 
 
ORBITAL ELEMENTS
 
 
Period (P)189.7y Periastron (T)1939.39y Semi-major axis (a)0.98a
Eccentricity (e)0.965 Inclination (i)122.8° Longitude of periastron (ω)105.1°
Node (Ω)53.1° Note Grade4(1=Definitive, 9=Indet.)
Equinox2000 Last observation2006
label rho theta
2000 0.992 124.3
2001 0.999 124.1
2002 1.005 123.8
2003 1.011 123.6
2004 1.017 123.3
2005 1.023 123.1
2006 1.029 122.8
2007 1.034 122.6
2008 1.039 122.3
2009 1.045 122.1
2010 1.050 121.9
2011 1.054 121.6
2012 1.059 121.4
2013 1.064 121.2
2014 1.068 120.9
2015 1.072 120.7
2016 1.077 120.5
2017 1.080 120.3
2018 1.084 120.0
2019 1.088 119.8
2020 1.091 119.6
2021 1.095 119.4
2022 1.098 119.2
2023 1.101 119.0
2024 1.104 118.8
2025 1.107 118.5
2026 1.109 118.3
2027 1.112 118.1
2028 1.114 117.9
2029 1.116 117.7
2030 1.118 117.5

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

grafico orbita





wds10131%2B2725a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
10131+2725 STT 213 AB 2015 84 122 1.1 8.62 9.83 G5V O 101308.88+272510.5
10131+2725 STT 213 AB 2017 85 121 1.1 8.62 9.83 G5V O 101308.88+272510.5

If you need more information about this double, apply for a data request form to the WDS.