20017+3119 GRV 307

 
 
20h 01m 47.01s +31 19' 21.6" P.A. 138.00 sep 45.7 mag 12.59,14.19
 
 
Coord 2000 20017+3119 Discov num GRV 307 Comp Coord arcsec 2000 20 01 47.01 +31 19 21.6
Date first 1998 Date last 2015 Obs 7
Pa first 138 Pa last 137.8 P.A. Now (θ) 137.8°
Sep first 45.7 Sep last 45.658 Sep. Now (ρ) 45.658"
Mag pri 12.59 Mag sec 14.19 delta mag (ΔM) 1.6 Spectral class
Pri motion ra -009 Sec motion ra -012
Pri motion dec -010 Sec motion dec -007
Notes
rPM=0.305
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Gaia DR2 2030895764323419264