14396-6050 LDS 494 AC

 
 
14h 39m 36.50s -60° 50' 02.3" P.A. 212.00 sep 999.9 mag 0.14,12.70 Sp G2V+M5Ve dist. 1.32 pc (4.31 l.y.)
 
 
Coord 2000 14396-6050 Discov num LDS 494 Comp AC Coord arcsec 2000 14 39 36.50 -60 50 02.3
Date first 1920 Date last 2016 Obs 4
Pa first 225 Pa last 212 P.A. Now (θ) 212°
Sep first 999.9 Sep last 7960.2 Sep. Now (ρ) 7960.2"
Mag pri 0.14 Mag sec 12.70 delta mag (ΔM) 12.56 Spectral class G2V+M5Ve (yellow/red)
Pri motion ra -364 Sec motion ra
Pri motion dec +070 Sec motion dec
Notes N O P (See Notes, Orbital solution, 100-year proper motion)
This double is physical.
 
 
14396-6050 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show Rigil Kentaurus 252838 14 39 36 -60 50 02 RHD 1 AB 2019 480 344 5.3 -0.01 1.33 1.34 Y
Show 252838 14 39 36 -60 50 02 LDS 494 AC 2016 4 212 999.9 0.14 12.70 12.56 Y <===
Show 14 29 43 -62 40 46 SCZ 1 Ca,Cb 1996 2 100 0.3 11.10 18.00 6.90
Quadruple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Common name Rigil Kentaurus Var name V645 Cen Constellation Centaurus SAO 252838
HIP 71683 Tycho2 9007-05849-1 Gaia DR2 5877748648286736896 HD 128620
HR 5459 GC 19728 GL Gl 559A CP CP-60 5483
Bayer Alpha Centauri Bayer name Alp Cen FK5 538 Distance 1.32
Distance ly 4.31 Bayer greek α Cen
Other names Rigil Kent, Rigel Kentaurus, Toliman
Meaning foot of the centaur
 
 
ORBITAL ELEMENTS
 
 
Period (P)5470c± 530 Periastron (T)2850c± 50 Semi-major axis (a)188.62M± 11.92
Eccentricity (e)0.5± 0.09 Inclination (i)107.6°± 1.9 Longitude of periastron (ω)72.3°± 7.7
Node (Ω)126°± 5 Notesn ReferenceKrv2017
Equinox2000 Last observation Grade5(1=Definitive, 9=Indet.)
label theta rho
2000 85.7 41.552
2001 85.7 41.549
2002 85.7 41.547
2003 85.7 41.545
2004 85.7 41.542
2005 85.7 41.540
2006 85.7 41.537
2007 85.7 41.535
2008 85.7 41.532
2009 85.7 41.530
2010 85.7 41.527
2011 85.7 41.525
2012 85.7 41.522
2013 85.7 41.520
2014 85.7 41.517
2015 85.7 41.515
2016 85.7 41.512
2017 85.7 41.510
2018 85.7 41.508
2019 85.7 41.505
2020 85.7 41.503
2021 85.6 41.500
2022 85.6 41.498
2023 85.6 41.495
2024 85.6 41.493
2025 85.6 41.490
2026 85.6 41.488
2027 85.6 41.485
2028 85.6 41.483
2029 85.6 41.480
2030 85.6 41.478


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



 
 


wds14396-6050f.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic