22400-8315 HDS 3219 (HD 213615)

 
 
22h 39m 59.38s -83° 15' 06.0" P.A. 35.00 sep 0.1 mag 6.94,8.79 Sp A9IV dist. 105.37 pc (343.72 l.y.)
 
 
Coord 2000 22400-8315 Discov num HDS3219 Comp Coord arcsec 2000 22 39 59.38 -83 15 06.0
Date first 1991 Date last 2021 Obs 14
Pa first 329 Pa last 34.6 P.A. Now (θ) 85.3°
Sep first 0.1 Sep last 0.071 Sep. Now (ρ) 0.058"
Mag pri 6.94 Mag sec 8.79 delta mag (ΔM) 1.85 Spectral class A9IV (white)
Pri motion ra +052 Sec motion ra
Pri motion dec -024 Sec motion dec
Notes O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 213615 Constellation Octans SAO 258937 HIP 111898
Tycho2 9525-00501-1 Gaia DR2 6345152381215637760 HD 213615 GC 31561
CP CP-83 739 Distance 105.37 Distance ly 343.72
 
 
ORBITAL ELEMENTS
 
 
Period (P)13.31y± 0.2 Periastron (T)2011.34y± 0.5 Semi-major axis (a)0.088a± 0.002
Eccentricity (e)0.207± 0.016 Inclination (i)41.4°± 3.1 Longitude of periastron (ω)341.8°± 15.8
Node (Ω)165.7°± 5.2 Notes ReferenceTok2021c
Equinox2000 Last observation2021 Grade3(1=Definitive, 9=Indet.)
label theta rho
2000 214.8 0.067
2001 250.2 0.067
2002 281.3 0.076
2003 304.3 0.088
2004 321.7 0.099
2005 336.3 0.105
2006 350.2 0.104
2007 5.7 0.095
2008 25.9 0.080
2009 56.3 0.064
2010 99.3 0.058
2011 140.2 0.066
2012 172.6 0.071
2013 204.3 0.068
2014 239.3 0.066
2015 272.5 0.072
2016 297.9 0.084
2017 316.7 0.096
2018 331.9 0.104
2019 345.9 0.105
2020 0.6 0.098
2021 18.9 0.085
2022 45.4 0.068
2023 85.3 0.058
2024 128.6 0.063
2025 163.1 0.070
2026 194.1 0.069
2027 228.2 0.066
2028 262.9 0.069
2029 290.9 0.080
2030 311.4 0.093


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



 
 


wds22400-8315a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic