12479-5127 TOK 720 (V940 Cen)

 
 
12h 47m 51.87s -51° 26' 38.2" P.A. 75.00 sep 0.1 mag 10.10,10.50 Sp G9IVe dist. 130.55 pc (425.85 l.y.)
 
 
Coord 2000 12479-5127 Discov num TOK 720 Comp Coord arcsec 2000 12 47 51.87 -51 26 38.2
Date first 2016 Date last 2021 Obs 9
Pa first 176 Pa last 74.9 P.A. Now (θ) 74.9°
Sep first 0.0 Sep last 0.055 Sep. Now (ρ) 0.055"
Mag pri 10.10 Mag sec 10.50 delta mag (ΔM) 0.4 Spectral class G9IVe (yellow)
Pri motion ra -031 Sec motion ra
Pri motion dec -014 Sec motion dec
Notes O R (Orbital solution, Red magnitudes)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Var name V940 Cen Constellation Centaurus SAO 240263 HIP 62445
Tycho2 8257-01308-1 Gaia DR2 6078309189863610880 HD 111170 CD CD-50 7276
CP CP-50 5475 Distance 130.55 Distance ly 425.85
 
 
ORBITAL ELEMENTS
 
 
Period (P)15.91y Periastron (T)2016.06y Semi-major axis (a)0.064a
Eccentricity (e)0.05 Inclination (i)142.2° Longitude of periastron (ω)297°
Node (Ω)123.7° Notes ReferenceTok2021f
Equinox Last observation2021 Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 185.2 0.050
2001 158.9 0.056
2002 137.4 0.061
2003 118.3 0.063
2004 99.3 0.061
2005 78.4 0.057
2006 54.3 0.054
2007 28.3 0.053
2008 3.3 0.056
2009 341.6 0.060
2010 323.0 0.064
2011 305.7 0.065
2012 288.1 0.063
2013 268.0 0.057
2014 243.1 0.051
2015 213.0 0.048
2016 182.6 0.051
2017 156.8 0.056
2018 135.6 0.061
2019 116.6 0.063
2020 97.5 0.061
2021 76.3 0.057
2022 52.0 0.053
2023 25.9 0.053
2024 1.2 0.056
2025 339.9 0.061
2026 321.4 0.065
2027 304.2 0.065
2028 286.5 0.063
2029 266.0 0.057
2030 240.5 0.051


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



 
 


wds12479-5127a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic