21502+5131 COU 2655

 
 
21h 50m 11.45s +51° 30' 21.2" P.A. 250.00 sep 0.3 mag 10.80,11.30 Sp F2
 
 
Coord 2000 21502+5131 Discov num COU2655 Comp Coord arcsec 2000 21 50 11.45 +51 30 21.2
Date first 1989 Date last 2009 Obs 3
Pa first 254 Pa last 249.7 P.A. Now (θ) 249.7°
Sep first 0.3 Sep last 0.289 Sep. Now (ρ) 0.289"
Mag pri 10.80 Mag sec 11.30 delta mag (ΔM) 0.5 Spectral class F2 (yellow-white)
Pri motion ra -014 Sec motion ra
Pri motion dec -013 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 3616-00387-1