22259-7501 TOK 434 Ba,Bb

 
 
22h 25m 56.40s -75° 00' 52.8" P.A. 56.00 sep 0.3 mag 9.10,11.00
 
 
Coord 2000 22259-7501 Discov num TOK 434 Comp Ba,Bb Coord arcsec 2000 22 25 56.40 -75 00 52.8
Date first 2014 Date last 2021 Obs 8
Pa first 238 Pa last 55.5 P.A. Now (θ) 55.5°
Sep first 0.2 Sep last 0.349 Sep. Now (ρ) 0.349"
Mag pri 9.10 Mag sec 11.00 delta mag (ΔM) 1.9 Spectral class
Pri motion ra +069 Sec motion ra
Pri motion dec +014 Sec motion dec
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
22259-7501 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 212168 258036 22 25 51 -75 00 56 DUN 238 AB 2015 23 78 21.5 6.19 8.85 2.66
Show 258036 22 25 51 -75 00 56 KO 5 AC 2016 8 129 264.8 6.19 13.00 6.81
Show 22 25 56 -75 00 53 TOK 434 Ba,Bb 2021 8 56 0.3 9.10 11.00 1.90 Y <===
Quadruple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Octans Gaia DR2 6357835488360338560
 
 
ORBITAL ELEMENTS
 
 
Period (P)11y Periastron (T)2022.21y Semi-major axis (a)0.254a
Eccentricity (e)0.25 Inclination (i)87.3° Longitude of periastron (ω)270°
Node (Ω)235° Notesn ReferenceTok2019c
Equinox Last observation2018 Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 67.7 0.040
2001 232.1 0.137
2002 234.8 0.234
2003 236.5 0.237
2004 238.7 0.176
2005 245.3 0.080
2006 30.5 0.036
2007 49.7 0.139
2008 52.7 0.218
2009 54.5 0.246
2010 56.4 0.190
2011 67.7 0.040
2012 232.1 0.137
2013 234.8 0.234
2014 236.5 0.237
2015 238.7 0.176
2016 245.3 0.080
2017 30.5 0.036
2018 49.7 0.139
2019 52.7 0.218
2020 54.5 0.246
2021 56.4 0.190
2022 67.7 0.040
2023 232.1 0.137
2024 234.8 0.234
2025 236.5 0.237
2026 238.7 0.176
2027 245.3 0.080
2028 30.5 0.036
2029 49.7 0.139
2030 52.7 0.218


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



 
 


wds22259-7501a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic