20478+3944 GRV 381

 
 
20h 47m 49.53s +39° 44' 47.3" P.A. 340.00 sep 35.8 mag 11.62,11.46
 
 
Coord 2000 20478+3944 Discov num GRV 381 Comp Coord arcsec 2000 20 47 49.53 +39 44 47.3
Date first 1892 Date last 2015 Obs 11
Pa first 341 Pa last 339.5 P.A. Now (θ) 339.5°
Sep first 35.9 Sep last 35.752 Sep. Now (ρ) 35.752"
Mag pri 11.62 Mag sec 11.46 delta mag (ΔM) 0.16 Spectral class
Pri motion ra -009 Sec motion ra -011
Pri motion dec -010 Sec motion dec -013
Notes S (Parallax indidates non-physical)
rPM=0.212 (< 0.3, Physical double)
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 3170-00844-1 Gaia DR2 2065024987507410688