20405+4343 COU 2540

 
 
20h 40m 29.01s +43° 43' 12.0" P.A. 117.00 sep 0.4 mag 10.90,11.70
 
 
Coord 2000 20405+4343 Discov num COU2540 Comp Coord arcsec 2000 20 40 29.01 +43 43 12.0
Date first 1988 Date last 2008 Obs 2
Pa first 103 Pa last 117.1 P.A. Now (θ) 117.1°
Sep first 0.4 Sep last 0.388 Sep. Now (ρ) 0.388"
Mag pri 10.90 Mag sec 11.70 delta mag (ΔM) 0.8 Spectral class
Pri motion ra +016 Sec motion ra
Pri motion dec +010 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 3178-00716-1 Gaia DR2 2069660077547174272