11316-3338 I 1543 AB (HD 100189)

 
 
11h 31m 35.57s -33° 37' 49.1" P.A. 340.00 sep 2.5 mag 9.85,10.47 Sp A2
 
 
Coord 2000 11316-3338 Discov num I  1543 Comp AB Coord arcsec 2000 11 31 35.57 -33 37 49.1
Date first 1927 Date last 2015 Obs 9
Pa first 337 Pa last 340.1 P.A. Now (θ) 340.1°
Sep first 2.0 Sep last 2.459 Sep. Now (ρ) 2.459"
Mag pri 9.85 Mag sec 10.47 delta mag (ΔM) 0.62 Spectral class A2 (white)
Pri motion ra -028 Sec motion ra -028
Pri motion dec +000 Sec motion dec +000
Notes
Nature of this double is uncertain.
 
 
11316-3338 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 100189 202535 11 31 36 -33 37 49 I 1543 AB 2015 9 340 2.5 9.85 10.47 0.62 <===
Show 202535 11 31 36 -33 37 49 I 1543 AC 2018 6 160 26.8 9.85 12.60 2.75
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 100189 Constellation Hydra SAO 202535 Tycho2 7219-01202-1
Gaia DR2 3477937492645739520 HD 100189