20311+5022 ES 1101

 
 
20h 30m 55.55s +50 21' 44.1" P.A. 240.00 sep 2.2 mag 11.16,11.92
 
 
Coord 2000 20311+5022 Discov num ES 1101 Comp Coord arcsec 2000 20 30 55.55 +50 21 44.1
Date first 1911 Date last 2005 Obs 4
Pa first 241 Pa last 240.4 P.A. Now (θ) 240.4°
Sep first 1.7 Sep last 2.16 Sep. Now (ρ) 2.16"
Mag pri 11.16 Mag sec 11.92 delta mag (ΔM) 0.76 Spectral class
Pri motion ra +012 Sec motion ra
Pri motion dec +007 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 3581-00430-1 Gaia DR2 2180242570463268736