19164-2521 HJ 5101 AB (HD 180132)

 
 
19h 16m 23.90s -25° 20' 31.8" P.A. 305.00 sep 21.4 mag 8.65,9.66 Sp B9/A0V
 
 
Coord 2000 19164-2521 Discov num HJ 5101 Comp AB Coord arcsec 2000 19 16 23.90 -25 20 31.8
Date first 1834 Date last 2015 Obs 18
Pa first 312 Pa last 305.1 P.A. Now (θ) 305.1°
Sep first 20.0 Sep last 21.398 Sep. Now (ρ) 21.398"
Mag pri 8.65 Mag sec 9.66 delta mag (ΔM) 1.01 Spectral class B9/A0V (blue-white)
Pri motion ra +001 Sec motion ra +002
Pri motion dec -018 Sec motion dec -016
Notes N T (See Notes, Parallax indicates physical)
rPM=0.124 (< 0.3, Physical double)
This double is physical.
 
 
19164-2521 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 187901 19 16 24 -25 20 32 HJ 5101 Aa,Ab 2017 2 128 0.7 8.80 10.60 1.80
Show HD 180132 187901 19 16 24 -25 20 32 HJ 5101 AB 2015 18 305 21.4 8.65 9.66 1.01 <===
Triple system
2 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 180132 Constellation Sagittarius SAO 187901 Tycho2 6879-02480-1
Gaia DR2 6769421993881707904 HD 180132