17232-3946 WG 206 AB (HD 157128)

 
 
17h 23m 17.64s -39° 46' 07.6" P.A. 147.00 sep 4.8 mag 10.10,10.20 Sp B9III/IV
 
 
Coord 2000 17232-3946 Discov num WG  206 Comp AB Coord arcsec 2000 17 23 17.64 -39 46 07.6
Date first 1903 Date last 2015 Obs 8
Pa first 151 Pa last 147 P.A. Now (θ) 147°
Sep first 4.6 Sep last 4.751 Sep. Now (ρ) 4.751"
Mag pri 10.10 Mag sec 10.20 delta mag (ΔM) 0.1 Spectral class B9III/IV (blue-white)
Pri motion ra -004 Sec motion ra +042
Pri motion dec +001 Sec motion dec -065
Notes
rPM=1.04
This double is not physical.
 
 
17232-3946 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 157128 17 23 18 -39 46 08 WG 206 AB 2015 8 147 4.8 10.10 10.20 0.10 <===
Show 17 23 18 -39 46 08 SHT 31 AC 2015 4 265 13.1 10.10 15.50 5.40
Show 17 23 18 -39 46 08 SHT 31 AD 2015 4 292 23.9 10.10 14.50 4.40
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 157128 Constellation Scorpius Tycho2 7887-02155-1 Gaia DR2 5960365711459170944
HD 157128