20474+4314 TDT 2539

 
 
20h 47m 23.53s +43° 13' 42.0" P.A. 77.00 sep 0.5 mag 10.70,10.76
 
 
Coord 2000 20474+4314 Discov num TDT2539 Comp Coord arcsec 2000 20 47 23.53 +43 13 42.0
Date first 1991 Date last 2007 Obs 2
Pa first 89 Pa last 77.2 P.A. Now (θ) 77.2°
Sep first 0.4 Sep last 0.502 Sep. Now (ρ) 0.502"
Mag pri 10.70 Mag sec 10.76 delta mag (ΔM) 0.06 Spectral class
Pri motion ra -007 Sec motion ra -007
Pri motion dec -014 Sec motion dec -014
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 3178-00744-1 Gaia DR2 2066909821009454208