10131+2725 STT 213AB

 
 
10h 13m 08.88s +27 25' 10.5" P.A. 120.00 sep 1.1 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
2019
Obs
91
Pa first
125
Pa last
125
P.A. Now (θ)
120°
Sep first
0.8
Sep last
1.1
Sep. Now (ρ)
1.13"
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 wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 81238 10 13 09 +27 25 10 STT 213 AB 2019 91 120 1.1 8.62 9.83 1.21 Y <===
Show 81238 10 13 09 +27 25 10 SKF 2825 AB,C 2016 8 238 20.8 8.31 15.70 7.39
Triple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
124.8
Precise sep
1.13
Constellation
Leo
SAO
81238
HIP
50052
Tycho2
1971-00033-1
Gaia DR2
739577567187217792
HD
88533
ADS
7685
BD
BD+28 1855
Distance
71.79
Distance ly
234.18
last precise pa
124.8
last precise sep
1.13
 
 
ORBITAL ELEMENTS
 
 
Period (P)192.8662y± 12.3788 Periastron (T)1941.3253y± 2.1715 Semi-major axis (a)1.26702a± 0.42347
Eccentricity (e)0.98116± 0.00885 Inclination (i)116.663°± 7.863 Longitude of periastron (ω)97.333°± 6.923
Node (Ω)42.738°± 13.332 Note Grade3(1=Definitive, 9=Indet.)
Equinox Last observation2015
label rho theta
2000 1.023 124.7
2001 1.030 124.5
2002 1.036 124.2
2003 1.042 124.0
2004 1.048 123.8
2005 1.054 123.5
2006 1.060 123.3
2007 1.066 123.1
2008 1.071 122.8
2009 1.076 122.6
2010 1.081 122.4
2011 1.086 122.2
2012 1.091 121.9
2013 1.096 121.7
2014 1.100 121.5
2015 1.104 121.3
2016 1.109 121.1
2017 1.113 120.9
2018 1.116 120.7
2019 1.120 120.5
2020 1.124 120.2
2021 1.127 120.0
2022 1.130 119.8
2023 1.133 119.6
2024 1.136 119.4
2025 1.139 119.2
2026 1.142 119.0
2027 1.144 118.8
2028 1.147 118.6
2029 1.149 118.4
2030 1.151 118.2


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



 
 


wds10131%2B2725c.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

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