21506+4908 ES 826

 
 
21h 50m 34.72s +49° 07' 36.9" P.A. 129.00 sep 4.0 mag 10.18,13.10 Sp A0
 
 
Coord 2000 21506+4908 Discov num ES  826 Comp Coord arcsec 2000 21 50 34.72 +49 07 36.9
Date first 1909 Date last 2015 Obs 3
Pa first 127 Pa last 129.2 P.A. Now (θ) 129.2°
Sep first 3.6 Sep last 4.007 Sep. Now (ρ) 4.007"
Mag pri 10.18 Mag sec 13.10 delta mag (ΔM) 2.92 Spectral class A0 (white)
Pri motion ra -011 Sec motion ra
Pri motion dec +009 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 3612-01451-1 Gaia DR2 1979434844879540480