15433-0515 TOK 594 Aa,Ab

 
 
15h 43m 17.76s -05° 15' 13.2" P.A. 121.00 sep 0.1 mag 10.30,11.30 Sp K5V dist. 48.15 pc (157.07 l.y.)
 
 
Coord 2000 15433-0515 Discov num TOK 594 Comp Aa,Ab Coord arcsec 2000 15 43 17.76 -05 15 13.2
Date first 2017 Date last 2021 Obs 9
Pa first 117 Pa last 121.2 P.A. Now (θ) 51.4°
Sep first 0.1 Sep last 0.082 Sep. Now (ρ) 0.022"
Mag pri 10.30 Mag sec 11.30 delta mag (ΔM) 1 Spectral class K5V (yellow-orange)
Pri motion ra +012 Sec motion ra
Pri motion dec -106 Sec motion dec
Notes O R (Orbital solution, Red magnitudes)
This double is physical.
 
 
15433-0515 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 15 43 18 -05 15 13 TOK 594 Aa,Ab 2021 9 121 0.1 10.30 11.30 1.00 Y <===
Show 15 43 18 -05 15 13 TOK 594 AB 2015 7 132 999.9 9.90 12.05 2.15
Triple system
2 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Libra HIP 76998 Tycho2 5025-00810-1 BD BD-04 3956
Distance 48.15 Distance ly 157.07
 
 
ORBITAL ELEMENTS
 
 
Period (P)3.65y± 0.09 Periastron (T)2019.058y± 0.074 Semi-major axis (a)0.052a± 0.003
Eccentricity (e)0.782± 0.053 Inclination (i)54.8°± 6.2 Longitude of periastron (ω)144.4°± 10.8
Node (Ω)137.3°± 8.4 Notes ReferenceTok2021f
Equinox Last observation2021 Grade3(1=Definitive, 9=Indet.)
label theta rho
2000 130.1 0.071
2001 26.9 0.018
2002 104.1 0.067
2003 120.0 0.083
2004 139.0 0.052
2005 80.3 0.037
2006 110.6 0.077
2007 125.1 0.079
2008 176.0 0.015
2009 96.4 0.055
2010 115.8 0.082
2011 131.1 0.069
2012 40.6 0.020
2013 105.2 0.069
2014 120.7 0.083
2015 140.9 0.048
2016 83.5 0.040
2017 111.4 0.078
2018 125.8 0.078
2019 214.0 0.009
2020 97.9 0.057
2021 116.5 0.083
2022 132.2 0.066
2023 51.4 0.022
2024 106.2 0.070
2025 121.4 0.082
2026 143.2 0.044
2027 86.3 0.043
2028 112.2 0.079
2029 126.6 0.077
2030 286.6 0.009


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



 
 


wds15433-0515a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic