21278+4515 ES 1335 (HD 204522)

 
 
21h 27m 45.63s +45° 15' 11.6" P.A. 287.00 sep 8.5 mag 8.74,12.30 Sp A0
 
 
Coord 2000 21278+4515 Discov num ES 1335 Comp Coord arcsec 2000 21 27 45.63 +45 15 11.6
Date first 1914 Date last 2015 Obs 7
Pa first 303 Pa last 287.2 P.A. Now (θ) 287.2°
Sep first 6.5 Sep last 8.462 Sep. Now (ρ) 8.462"
Mag pri 8.74 Mag sec 12.30 delta mag (ΔM) 3.56 Spectral class A0 (white)
Pri motion ra +035 Sec motion ra
Pri motion dec +013 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 204522 Constellation Cygnus SAO 50887 Tycho2 3590-03125-1
Gaia DR2 1971284714932204544 HD 204522