12198-6030 B 9018 AD

 
 
12h 19m 48.92s -60° 30' 18.2" P.A. 303.00 sep 22.5 mag 9.72,13.60 Sp B3II
 
 
Coord 2000 12198-6030 Discov num B  9018 Comp AD Coord arcsec 2000 12 19 48.92 -60 30 18.2
Date first 1938 Date last 2015 Obs 4
Pa first 302 Pa last 302.7 P.A. Now (θ) 302.7°
Sep first 22.3 Sep last 22.51 Sep. Now (ρ) 22.51"
Mag pri 9.72 Mag sec 13.60 delta mag (ΔM) 3.88 Spectral class B3II (blue-white)
Pri motion ra -006 Sec motion ra -006
Pri motion dec -002 Sec motion dec -006
Notes
rPM=0.471
Nature of this double is uncertain.
 
 
12198-6030 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 107208 251847 12 19 49 -60 30 18 I 1097 AB 1991 8 112 0.7 9.72 9.91 0.19
Show 251847 12 19 49 -60 30 18 B 9018 AC 2015 4 125 17.6 9.72 12.10 2.38
Show 251847 12 19 49 -60 30 18 B 9018 AD 2015 4 303 22.5 9.72 13.60 3.88 <===
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Crux SAO 251847 Tycho2 8975-00799-1 Gaia DR2 6058264611894943616
HD 107208