13000-4123 I 1224 (HD 112833)

 
 
12h 59m 59.05s -41° 23' 27.0" P.A. 122.00 sep 0.1 mag 8.10,8.30 Sp F3/5V
 
 
Coord 2000 13000-4123 Discov num I  1224 Comp Coord arcsec 2000 12 59 59.05 -41 23 27.0
Date first 1925 Date last 2021 Obs 20
Pa first 337 Pa last 121.6 P.A. Now (θ) 126.6°
Sep first 0.3 Sep last 0.113 Sep. Now (ρ) 0.117"
Mag pri 8.10 Mag sec 8.30 delta mag (ΔM) 0.2 Spectral class F3/5V (yellow-white)
Pri motion ra -065 Sec motion ra
Pri motion dec -012 Sec motion dec
Notes O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 112833 Constellation Centaurus SAO 223823 Tycho2 7780-00867-1
Gaia DR2 6139368815754539136 HD 112833 GC 17634
 
 
ORBITAL ELEMENTS
 
 
Period (P)183.749y Periastron (T)2052.11y Semi-major axis (a)0.243a
Eccentricity (e)0.38 Inclination (i)73° Longitude of periastron (ω)37.9°
Node (Ω)156.7° Notesn ReferenceTok2018e
Equinox2000 Last observation2018 Grade3(1=Definitive, 9=Indet.)
label theta rho
2000 34.6 0.099
2001 37.9 0.095
2002 41.5 0.091
2003 45.4 0.088
2004 49.5 0.086
2005 53.9 0.083
2006 58.6 0.081
2007 63.4 0.080
2008 68.3 0.079
2009 73.4 0.079
2010 78.4 0.079
2011 83.4 0.080
2012 88.3 0.081
2013 92.9 0.083
2014 97.4 0.085
2015 101.6 0.087
2016 105.6 0.090
2017 109.3 0.094
2018 112.8 0.097
2019 116.0 0.101
2020 118.9 0.105
2021 121.7 0.109
2022 124.2 0.113
2023 126.6 0.117
2024 128.8 0.121
2025 130.9 0.125
2026 132.8 0.129
2027 134.6 0.133
2028 136.4 0.137
2029 138.0 0.141
2030 139.5 0.144


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



 
 


wds13000-4123a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic