17303-4412 I 1005 AB (HD 158239)

 
 
17h 30m 15.41s -44° 11' 47.9" P.A. 94.00 sep 2.6 mag 9.60,10.56 Sp B9III
 
 
Coord 2000 17303-4412 Discov num I  1005 Comp AB Coord arcsec 2000 17 30 15.41 -44 11 47.9
Date first 1910 Date last 1999 Obs 9
Pa first 100 Pa last 94.2 P.A. Now (θ) 94.2°
Sep first 2.8 Sep last 2.64 Sep. Now (ρ) 2.64"
Mag pri 9.60 Mag sec 10.56 delta mag (ΔM) 0.96 Spectral class B9III (blue-white)
Pri motion ra -027 Sec motion ra +014
Pri motion dec -004 Sec motion dec +005
Notes
rPM=1.538
This double is not physical.
 
 
17303-4412 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 158239 228042 17 30 15 -44 11 48 I 1005 AB 1999 9 94 2.6 9.60 10.56 0.96 <===
Show 228042 17 30 15 -44 11 48 I 1005 AC 2015 4 101 32.8 9.60 13.49 3.89
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 158239 Constellation Scorpius SAO 228042 Tycho2 7896-02798-1
Gaia DR2 5952539108474285440 HD 158239 DM CP-44 8547