02442-2530 BSO 1 AB (HD 17134)

 
 
02h 44m 14.51s -25° 29' 43.9" P.A. 193.00 sep 12.5 mag 7.04,8.50 Sp G3V+G0 dist. 41.32 pc (134.79 l.y.)
 
 
Coord 2000 02442-2530 Discov num BSO   1 Comp AB Coord arcsec 2000 02 44 14.51 -25 29 43.9
Date first 1835 Date last 2018 Obs 33
Pa first 184 Pa last 192.5 P.A. Now (θ) 192.5°
Sep first 15.0 Sep last 12.529 Sep. Now (ρ) 12.529"
Mag pri 7.04 Mag sec 8.50 delta mag (ΔM) 1.46 Spectral class G3V+G0 (yellow/yellow)
Pri motion ra +165 Sec motion ra +146
Pri motion dec +052 Sec motion dec +061
Notes N V (See Notes, Proper motion indicates physical)
rPM=0.122 (< 0.3, Physical double)
This double is physical.
 
 
02442-2530 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 168012 02 44 15 -25 29 44 FIN 379 Aa,Ab 2021 30 287 0.1 7.50 8.10 0.60 Y
Show HD 17134 168012 02 44 15 -25 29 44 BSO 1 AB 2018 33 193 12.5 7.04 8.50 1.46 Y <===
Triple system
2 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 17134 Constellation Fornax SAO 168012 HIP 12780
Tycho2 6434-01880-1 Gaia DR2 5076722404106123264 HD 17134 GC 3305
CD CD-26 996 Distance 41.32 Distance ly 134.79
 
 
ORBITAL ELEMENTS
 
 
Period (P)6255.9y Periastron (T)694y Semi-major axis (a)11.5a
Eccentricity (e)0.63 Inclination (i)41.2° Longitude of periastron (ω)175°
Node (Ω)226.6° Notes ReferenceKiy2017
Equinox2000 Last observation Grade5(1=Definitive, 9=Indet.)
label theta rho
2000 192.1 12.443
2001 192.1 12.450
2002 192.2 12.456
2003 192.2 12.463
2004 192.2 12.470
2005 192.3 12.477
2006 192.3 12.484
2007 192.3 12.491
2008 192.3 12.498
2009 192.4 12.505
2010 192.4 12.511
2011 192.4 12.518
2012 192.5 12.525
2013 192.5 12.532
2014 192.5 12.539
2015 192.5 12.546
2016 192.6 12.552
2017 192.6 12.559
2018 192.6 12.566
2019 192.7 12.573
2020 192.7 12.580
2021 192.7 12.586
2022 192.7 12.593
2023 192.8 12.600
2024 192.8 12.607
2025 192.8 12.614
2026 192.9 12.620
2027 192.9 12.627
2028 192.9 12.634
2029 192.9 12.641
2030 193.0 12.648


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


 
  


wds02442-2530c.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic