21386+4747 COU 2311

 
 
21h 38m 34.64s +47° 45' 17.3" P.A. 241.00 sep 1.0 mag 11.80,12.70
 
 
Coord 2000 21386+4747 Discov num COU2311 Comp Coord arcsec 2000 21 38 34.64 +47 45 17.3
Date first 1985 Date last 2016 Obs 4
Pa first 247 Pa last 241.4 P.A. Now (θ) 241.4°
Sep first 0.8 Sep last 0.964 Sep. Now (ρ) 0.964"
Mag pri 11.80 Mag sec 12.70 delta mag (ΔM) 0.9 Spectral class
Pri motion ra -012 Sec motion ra
Pri motion dec -008 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 3595-00635-1 Gaia DR2 1977622471753327744