16143-1025 RST 3936 AB

 
 
16h 14m 16.53s -10° 24' 52.0" P.A. 269.00 sep 0.3 mag 8.20,8.40 Sp F7V dist. 78.99 pc (257.67 l.y.)
 
 
Coord 2000 16143-1025 Discov num RST3936 Comp AB Coord arcsec 2000 16 14 16.53 -10 24 52.0
Date first 1937 Date last 2018 Obs 25
Pa first 285 Pa last 269.4 P.A. Now (θ) 266.6°
Sep first 0.2 Sep last 0.301 Sep. Now (ρ) 0.289"
Mag pri 8.20 Mag sec 8.40 delta mag (ΔM) 0.2 Spectral class F7V (yellow-white)
Pri motion ra +077 Sec motion ra
Pri motion dec -018 Sec motion dec
Notes O (Orbital solution)
This double is physical.
 
 
16143-1025 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 159803 16 14 17 -10 24 52 RST 3936 AB 2018 25 269 0.3 8.20 8.40 0.20 Y <===
Show HD 145996 159803 16 14 17 -10 24 52 STF 2019 AB,C 2018 22 153 22.3 7.38 9.84 2.46
Triple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Scorpius SAO 159803 HIP 79588 Tycho2 5617-01373-1
Gaia DR2 4344884406644977280 HD 145996 BD BD-10 4276 Distance 78.99
Distance ly 257.67
 
 
ORBITAL ELEMENTS
 
 
Period (P)35y Periastron (T)1999.92y Semi-major axis (a)0.173a
Eccentricity (e)0.818 Inclination (i)109.7° Longitude of periastron (ω)160.6°
Node (Ω)263.6° Notes ReferenceTok2019c
Equinox Last observation2018 Grade3(1=Definitive, 9=Indet.)
label theta rho
2000 85.4 0.032
2001 12.8 0.025
2002 312.8 0.047
2003 296.5 0.078
2004 289.5 0.108
2005 285.4 0.135
2006 282.6 0.159
2007 280.5 0.181
2008 278.9 0.201
2009 277.5 0.218
2010 276.4 0.234
2011 275.3 0.248
2012 274.4 0.260
2013 273.6 0.271
2014 272.8 0.280
2015 272.0 0.287
2016 271.3 0.293
2017 270.7 0.297
2018 270.0 0.300
2019 269.3 0.301
2020 268.7 0.301
2021 268.0 0.299
2022 267.3 0.295
2023 266.6 0.289
2024 265.9 0.282
2025 265.1 0.273
2026 264.3 0.261
2027 263.4 0.247
2028 262.3 0.230
2029 261.1 0.210
2030 259.6 0.187


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



 
 


wds16143-1025a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic