20509+1953 UC 255

 
 
20h 50m 53.66s +19° 52' 44.5" P.A. 263.00 sep 11.9 mag 13.83,14.89
 
 
Coord 2000 20509+1953 Discov num UC  255 Comp Coord arcsec 2000 20 50 53.66 +19 52 44.5
Date first 1999 Date last 2016 Obs 11
Pa first 263 Pa last 262.8 P.A. Now (θ) 262.8°
Sep first 11.9 Sep last 11.911 Sep. Now (ρ) 11.911"
Mag pri 13.83 Mag sec 14.89 delta mag (ΔM) 1.06 Spectral class
Pri motion ra +008 Sec motion ra +013
Pri motion dec -133 Sec motion dec -133
Notes V (Proper motion indicates physical)
rPM=0.037 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Delphinus Gaia DR2 1813674670885071616