20138+2945 TOB 179

 
 
20h 13m 49.93s +29 44' 46.5" P.A. 91.00 sep 23.6 mag 10.74,12.98 Sp B2
 
 
Coord 2000 20138+2945 Discov num TOB 179 Comp Coord arcsec 2000 20 13 49.93 +29 44 46.5
Date first 1984 Date last 2015 Obs 9
Pa first 92 Pa last 90.6 P.A. Now (θ) 90.6°
Sep first 22.7 Sep last 23.638 Sep. Now (ρ) 23.638"
Mag pri 10.74 Mag sec 12.98 delta mag (ΔM) 2.24 Spectral class B2 (blue-white)
Pri motion ra -004 Sec motion ra +011
Pri motion dec -021 Sec motion dec -017
Notes
rPM=0.726
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 2166-00241-1 Gaia DR2 2029611264174648576