06439-5434 HDS 934 (HD 49134)

 
 
06h 43m 52.03s -54° 34' 03.5" P.A. 11.00 sep 0.1 mag 9.25,9.47 Sp K0V dist. 50.66 pc (165.25 l.y.)
 
 
Coord 2000 06439-5434 Discov num HDS 934 Comp Coord arcsec 2000 06 43 52.03 -54 34 03.5
Date first 1991 Date last 2021 Obs 18
Pa first 73 Pa last 11.2 P.A. Now (θ) 39°
Sep first 0.1 Sep last 0.148 Sep. Now (ρ) 0.139"
Mag pri 9.25 Mag sec 9.47 delta mag (ΔM) 0.22 Spectral class K0V (yellow-orange)
Pri motion ra -041 Sec motion ra
Pri motion dec +151 Sec motion dec
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 49134 Constellation Carina SAO 234678 HIP 32242
Tycho2 8540-00138-1 Gaia DR2 5497202515587909888 HD 49134 CP CP-54 1093
Distance 50.66 Distance ly 165.25
 
 
ORBITAL ELEMENTS
 
 
Period (P)12.37y± 0.02 Periastron (T)2014.21y± 0.04 Semi-major axis (a)0.132a± 0.001
Eccentricity (e)0.216± 0.004 Inclination (i)18.5°± 1.9 Longitude of periastron (ω)70.3°± 4.2
Node (Ω)93.4°± 4.6 Notesn ReferenceTok2015c
Equinox2000 Last observation2014 Grade3(1=Definitive, 9=Indet.)
label theta rho
2000 87.4 0.120
2001 124.5 0.106
2002 170.4 0.099
2003 216.2 0.107
2004 252.0 0.124
2005 279.2 0.139
2006 301.8 0.149
2007 322.3 0.153
2008 342.2 0.153
2009 2.6 0.150
2010 24.2 0.144
2011 48.2 0.136
2012 75.8 0.125
2013 109.7 0.111
2014 152.7 0.100
2015 200.2 0.102
2016 240.0 0.117
2017 269.8 0.134
2018 293.8 0.146
2019 314.8 0.152
2020 334.8 0.154
2021 354.9 0.152
2022 16.0 0.147
2023 39.0 0.139
2024 65.0 0.129
2025 96.2 0.116
2026 135.7 0.103
2027 183.0 0.099
2028 226.6 0.111
2029 259.7 0.128
2030 285.4 0.142


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



 
 


wds06439-5434b.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic