22134-3729 B 2056 (HD 210767)

 
 
22h 13m 23.95s -37° 29' 02.5" P.A. 160.00 sep 0.2 mag 8.50,8.60 Sp F0IV
 
 
Coord 2000 22134-3729 Discov num B  2056 Comp Coord arcsec 2000 22 13 23.95 -37 29 02.5
Date first 1934 Date last 2021 Obs 20
Pa first 161 Pa last 160.3 P.A. Now (θ) 158.7°
Sep first 0.2 Sep last 0.205 Sep. Now (ρ) 0.208"
Mag pri 8.50 Mag sec 8.60 delta mag (ΔM) 0.1 Spectral class F0IV (yellow-white)
Pri motion ra +063 Sec motion ra
Pri motion dec -013 Sec motion dec
Notes O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 210767 Constellation Grus SAO 213645 Tycho2 7502-00104-1
Gaia DR2 6574109597341814784 HD 210767
 
 
ORBITAL ELEMENTS
 
 
Period (P)83.94y Periastron (T)2039.42y Semi-major axis (a)0.212a
Eccentricity (e)0.06 Inclination (i)109.6° Longitude of periastron (ω)77.4°
Node (Ω)158.8° Notes ReferenceDoc2019d
Equinox2000 Last observation2018 Grade3(1=Definitive, 9=Indet.)
label theta rho
2000 257.3 0.076
2001 246.0 0.075
2002 234.8 0.077
2003 224.5 0.081
2004 215.4 0.088
2005 207.7 0.095
2006 201.2 0.104
2007 195.7 0.113
2008 191.0 0.123
2009 187.1 0.133
2010 183.6 0.142
2011 180.7 0.152
2012 178.0 0.160
2013 175.6 0.169
2014 173.5 0.177
2015 171.5 0.184
2016 169.6 0.190
2017 167.9 0.196
2018 166.3 0.200
2019 164.7 0.204
2020 163.1 0.207
2021 161.6 0.208
2022 160.2 0.209
2023 158.7 0.208
2024 157.2 0.207
2025 155.7 0.204
2026 154.1 0.200
2027 152.4 0.196
2028 150.7 0.190
2029 148.8 0.183
2030 146.8 0.175


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


 
  


wds22134-3729b.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic