10131+2725 STT 213 AB (HD 88533)

 
 
10h 13m 08.88s +27° 25' 10.5" P.A. 125.00 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 124.8 P.A. Now (θ) 119.6°
Sep first 0.8 Sep last 1.13 Sep. Now (ρ) 1.133"
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 HD 88533 81238 10 13 09 +27 25 10 STT 213 AB 2019 91 125 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 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 88533 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
 
 
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 Notes ReferenceIzm2019
Equinox Last observation2015 Grade3(1=Definitive, 9=Indet.)
label theta rho
2000 124.7 1.023
2001 124.5 1.030
2002 124.2 1.036
2003 124.0 1.042
2004 123.8 1.048
2005 123.5 1.054
2006 123.3 1.060
2007 123.1 1.066
2008 122.8 1.071
2009 122.6 1.076
2010 122.4 1.081
2011 122.2 1.086
2012 121.9 1.091
2013 121.7 1.096
2014 121.5 1.100
2015 121.3 1.104
2016 121.1 1.109
2017 120.9 1.113
2018 120.7 1.116
2019 120.5 1.120
2020 120.2 1.124
2021 120.0 1.127
2022 119.8 1.130
2023 119.6 1.133
2024 119.4 1.136
2025 119.2 1.139
2026 119.0 1.142
2027 118.8 1.144
2028 118.6 1.147
2029 118.4 1.149
2030 118.2 1.151


 
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