21256+4138 A 618

 
 
21h 25m 34.50s +41° 38' 24.4" P.A. 276.00 sep 0.6 mag 9.85,10.24 Sp A0
 
 
Coord 2000 21256+4138 Discov num A   618 Comp Coord arcsec 2000 21 25 34.50 +41 38 24.4
Date first 1903 Date last 2016 Obs 15
Pa first 266 Pa last 275.8 P.A. Now (θ) 275.8°
Sep first 0.3 Sep last 0.62 Sep. Now (ρ) 0.62"
Mag pri 9.85 Mag sec 10.24 delta mag (ΔM) 0.39 Spectral class A0 (white)
Pri motion ra -001 Sec motion ra -001
Pri motion dec -007 Sec motion dec -007
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 3190-02228-1 Gaia DR2 1967259127983006208