09293-4432 HDS 1360 Aa,Ab

 
 
09h 29m 18.68s -44° 32' 20.2" P.A. 122.00 sep 0.3 mag 7.18,10.23 Sp G0V... dist. 42.18 pc (137.59 l.y.)
 
 
Coord 2000 09293-4432 Discov num HDS1360 Comp Aa,Ab Coord arcsec 2000 09 29 18.68 -44 32 20.2
Date first 1991 Date last 2021 Obs 12
Pa first 192 Pa last 122.4 P.A. Now (θ) 122.4°
Sep first 0.7 Sep last 0.314 Sep. Now (ρ) 0.314"
Mag pri 7.18 Mag sec 10.23 delta mag (ΔM) 3.05 Spectral class G0V... (yellow)
Pri motion ra -103 Sec motion ra
Pri motion dec +010 Sec motion dec
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
09293-4432 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 221213 09 29 19 -44 32 20 HDS 1360 Aa,Ab 2021 12 122 0.3 7.18 10.23 3.05 Y <===
Show HD 82207 221213 09 29 19 -44 32 20 DUN 77 AB 2015 19 77 108.6 7.07 7.03 0.04
Show 221216 09 29 29 -44 31 57 EGN 11 Ba,Bb 2005 1 281 0.4 7.00 10.30 3.30
Quadruple system
2 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Vela SAO 221213 HIP 46523 Tycho2 7703-01881-1
Gaia DR2 5423340970868485504 HD 82207 CD CD-43 5326 CP CP-43 3729
Distance 42.18 Distance ly 137.59
 
 
ORBITAL ELEMENTS
 
 
Period (P)79.5y Periastron (T)2031.8y Semi-major axis (a)0.661a
Eccentricity (e)0.82 Inclination (i)115.3° Longitude of periastron (ω)66.7°
Node (Ω)56.1° Notes ReferenceTok2019c
Equinox Last observation2018 Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 181.6 0.588
2001 180.2 0.576
2002 178.7 0.564
2003 177.1 0.551
2004 175.5 0.538
2005 173.8 0.525
2006 172.0 0.512
2007 170.1 0.499
2008 168.1 0.485
2009 166.0 0.472
2010 163.8 0.458
2011 161.4 0.445
2012 158.9 0.431
2013 156.2 0.417
2014 153.3 0.404
2015 150.2 0.391
2016 147.0 0.378
2017 143.4 0.365
2018 139.7 0.353
2019 135.7 0.342
2020 131.4 0.330
2021 126.8 0.320
2022 121.9 0.310
2023 116.7 0.301
2024 111.2 0.292
2025 105.3 0.283
2026 99.1 0.274
2027 92.4 0.264
2028 85.1 0.251
2029 76.9 0.233
2030 66.9 0.203


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



 
 


wds09293-4432a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic