01387+6053 STI 251 AB

 
 
01h 38m 44.56s +60 52' 14.8" P.A. 225.00 sep 12.4 mag 11.05,12.30 Sp B3:
 
 
Coord 2000 01387+6053 Discov num STI 251 Comp AB Coord arcsec 2000 01 38 44.56 +60 52 14.8
Date first 1902 Date last 2015 Obs 9
Pa first 228 Pa last 225.3 P.A. Now (θ) 225.3°
Sep first 11.9 Sep last 12.406 Sep. Now (ρ) 12.406"
Mag pri 11.05 Mag sec 12.30 delta mag (ΔM) 1.25 Spectral class B3: (blue-white)
Pri motion ra -004 Sec motion ra -003
Pri motion dec +002 Sec motion dec +000
Notes
rPM=0.5
Nature of this double is uncertain.
 
 
01387+6053 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 01 38 45 +60 52 15 TDS 1941 Aa,Ab 1991 1 203 0.5 11.58 11.93 0.35
Show 01 38 45 +60 52 15 STI 251 AB 2015 9 225 12.4 11.05 12.30 1.25 <===
Triple system
2 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cassiopeia Tycho2 4031-00184-1 Gaia DR2 509907661378654592