10551-3100 OL 42 AB (HD 94640)

 
 
10h 55m 05.30s -30° 59' 34.2" P.A. 153.00 sep 3.6 mag 9.99,11.10 Sp A3V:
 
 
Coord 2000 10551-3100 Discov num OL   42 Comp AB Coord arcsec 2000 10 55 05.30 -30 59 34.2
Date first 1910 Date last 2016 Obs 13
Pa first 154 Pa last 152.9 P.A. Now (θ) 152.9°
Sep first 3.3 Sep last 3.603 Sep. Now (ρ) 3.603"
Mag pri 9.99 Mag sec 11.10 delta mag (ΔM) 1.11 Spectral class A3V: (white)
Pri motion ra -002 Sec motion ra +017
Pri motion dec +025 Sec motion dec -062
Notes
rPM=1.385
This double is not physical.
 
 
10551-3100 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 94640 10 55 05 -30 59 34 OL 42 AB 2016 13 153 3.6 9.99 11.10 1.11 <===
Show 10 55 05 -30 59 34 OL 42 AC 2017 10 37 35.3 9.99 10.97 0.98
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 94640 Constellation Hydra Tycho2 7199-01477-1 Gaia DR2 5451312306156023552
HD 94640