21165+4046 ES 1690

 
 
21h 16m 26.72s +40° 46' 10.0" P.A. 101.00 sep 3.8 mag 11.00,12.50
 
 
Coord 2000 21165+4046 Discov num ES 1690 Comp Coord arcsec 2000 21 16 26.72 +40 46 10.0
Date first 1895 Date last 2015 Obs 7
Pa first 105 Pa last 101.2 P.A. Now (θ) 101.2°
Sep first 3.8 Sep last 3.825 Sep. Now (ρ) 3.825"
Mag pri 11.00 Mag sec 12.50 delta mag (ΔM) 1.5 Spectral class
Pri motion ra -003 Sec motion ra
Pri motion dec +001 Sec motion dec
Notes R (Red magnitudes)
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 3173-00851-1 Gaia DR2 1968667086985328640