21477+4759 COU 2316 AB

 
 
21h 47m 43.84s +47° 57' 39.6" P.A. 185.00 sep 0.7 mag 11.42,11.89
 
 
Coord 2000 21477+4759 Discov num COU2316 Comp AB Coord arcsec 2000 21 47 43.84 +47 57 39.6
Date first 1985 Date last 2016 Obs 4
Pa first 183 Pa last 184.9 P.A. Now (θ) 184.9°
Sep first 0.7 Sep last 0.71 Sep. Now (ρ) 0.71"
Mag pri 11.42 Mag sec 11.89 delta mag (ΔM) 0.47 Spectral class
Pri motion ra +064 Sec motion ra +064
Pri motion dec +036 Sec motion dec +036
Notes
Nature of this double is uncertain.
 
 
21477+4759 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 21 47 44 +47 57 40 GII 294 Aa,Ab 2014 1 113 0.1 12.20 12.20 0.00
Show 21 47 44 +47 57 40 COU 2316 AB 2016 4 185 0.7 11.42 11.89 0.47 <===
Triple system
2 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 3608-00691-1