14592-4206 HDS 2116 Aa,Ab

 
 
14h 59m 09.70s -42° 06' 14.9" P.A. 156.00 sep 0.1 mag 3.34,4.71 Sp B2V+B3V dist. 117.51 pc (383.32 l.y.)
 
 
Coord 2000 14592-4206 Discov num HDS2116 Comp Aa,Ab Coord arcsec 2000 14 59 09.70 -42 06 14.9
Date first 1991 Date last 2021 Obs 12
Pa first 155 Pa last 155.7 P.A. Now (θ) 155.7°
Sep first 0.1 Sep last 0.129 Sep. Now (ρ) 0.129"
Mag pri 3.34 Mag sec 4.71 delta mag (ΔM) 1.37 Spectral class B2V+B3V (blue-white/blue-white)
Pri motion ra -018 Sec motion ra
Pri motion dec -021 Sec motion dec
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
14592-4206 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 225344 14 59 10 -42 06 15 HDS 2116 Aa,Ab 2021 12 156 0.1 3.34 4.71 1.37 Y <===
Show Kap Cen 225344 14 59 10 -42 06 15 I 1260 AB 2000 4 83 4.0 3.10 11.50 8.40
Triple system
2 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Var name NSV6873 Cen Constellation Centaurus SAO 225344 HIP 73334
Tycho2 7828-03520-1 Gaia DR2 5908713025970034560 HD 132200 HR 5576
GC 20146 CD CD-41 9342 CP CP-41 6979 Bayer Kappa Centauri
Bayer name Kap Cen FK5 553 Distance 117.51 Distance ly 383.32
Bayer greek κ Cen
 
 
ORBITAL ELEMENTS
 
 
Period (P)58.52y Periastron (T)2011.1y Semi-major axis (a)0.287a
Eccentricity (e)0.304 Inclination (i)90.9° Longitude of periastron (ω)215.1°
Node (Ω)156.4° Notesn ReferenceDoc2020d
Equinox2000 Last observation2019 Grade5(1=Definitive, 9=Indet.)
label theta rho
2000 338.7 0.103
2001 338.1 0.127
2002 337.7 0.149
2003 337.4 0.169
2004 337.2 0.185
2005 336.9 0.198
2006 336.8 0.207
2007 336.6 0.211
2008 336.4 0.209
2009 336.2 0.201
2010 336.0 0.187
2011 335.8 0.166
2012 335.5 0.139
2013 335.0 0.108
2014 334.0 0.074
2015 331.3 0.037
2016 232.9 0.004
2017 161.7 0.039
2018 159.1 0.076
2019 158.2 0.111
2020 157.7 0.145
2021 157.4 0.176
2022 157.2 0.205
2023 157.1 0.231
2024 156.9 0.255
2025 156.8 0.276
2026 156.7 0.294
2027 156.7 0.310
2028 156.6 0.323
2029 156.5 0.334
2030 156.4 0.342


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



 
 


wds14592-4206a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic