09086-2550 TOK 357 BC

 
 
09h 08m 36.62s -25° 50' 20.2" P.A. 300.00 sep 0.2 mag 11.80,19.30
 
 
Coord 2000 09086-2550 Discov num TOK 357 Comp BC Coord arcsec 2000 09 08 36.62 -25 50 20.2
Date first 2013 Date last 2021 Obs 12
Pa first 219 Pa last 299.6 P.A. Now (θ) 299.6°
Sep first 0.1 Sep last 0.2 Sep. Now (ρ) 0.2"
Mag pri 11.80 Mag sec 19.30 delta mag (ΔM) 7.5 Spectral class
Pri motion ra Sec motion ra
Pri motion dec Sec motion dec
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
09086-2550 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 78643 177018 09 08 37 -25 50 22 RST 2610 AB 2021 14 7 1.4 6.80 11.80 5.00
Show 09 08 37 -25 50 20 TOK 357 BC 2021 12 300 0.2 11.80 19.30 7.50 Y <===
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Pyxis Gaia DR2 5650153830077284480
 
 
ORBITAL ELEMENTS
 
 
Period (P)60y Periastron (T)2070y Semi-major axis (a)0.299a
Eccentricity (e)0.2 Inclination (i)66.8° Longitude of periastron (ω)39.6°
Node (Ω)177° Notesn ReferenceTok2019c
Equinox Last observation2018 Grade5(1=Definitive, 9=Indet.)
label theta rho
2000 157.2 0.219
2001 161.2 0.231
2002 165.0 0.240
2003 168.5 0.247
2004 171.8 0.250
2005 175.1 0.250
2006 178.4 0.247
2007 181.9 0.239
2008 185.7 0.227
2009 190.0 0.212
2010 195.1 0.194
2011 201.2 0.173
2012 209.1 0.151
2013 219.6 0.130
2014 233.8 0.113
2015 252.1 0.102
2016 272.6 0.101
2017 291.3 0.111
2018 305.8 0.129
2019 316.6 0.151
2020 324.5 0.174
2021 330.5 0.198
2022 335.2 0.221
2023 339.1 0.242
2024 342.3 0.262
2025 345.1 0.280
2026 347.6 0.296
2027 349.9 0.309
2028 352.0 0.321
2029 353.9 0.330
2030 355.8 0.336


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



 
 


wds09086-2550a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic