21212+4003 COU 2230

 
 
21h 21m 15.49s +40° 02' 31.6" P.A. 81.00 sep 0.4 mag 11.90,11.90
 
 
Coord 2000 21212+4003 Discov num COU2230 Comp Coord arcsec 2000 21 21 15.49 +40 02 31.6
Date first 1983 Date last 2014 Obs 6
Pa first 66 Pa last 80.9 P.A. Now (θ) 80.9°
Sep first 0.3 Sep last 0.384 Sep. Now (ρ) 0.384"
Mag pri 11.90 Mag sec 11.90 delta mag (ΔM) 0 Spectral class
Pri motion ra +013 Sec motion ra
Pri motion dec +003 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 3186-00705-1