20478+4754 ES 2253

 
 
20h 47m 34.65s +47 54' 24.0" P.A. 335.00 sep 3.4 mag 12.42,12.60
 
 
Coord 2000 20478+4754 Discov num ES 2253 Comp Coord arcsec 2000 20 47 34.65 +47 54 24.0
Date first 1901 Date last 2015 Obs 7
Pa first 358 Pa last 334.5 P.A. Now (θ) 334.5°
Sep first 3.1 Sep last 3.396 Sep. Now (ρ) 3.396"
Mag pri 12.42 Mag sec 12.60 delta mag (ΔM) 0.18 Spectral class
Pri motion ra +003 Sec motion ra -007
Pri motion dec -019 Sec motion dec +005
Notes
rPM=1.352
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Gaia DR2 2166788190281937024