20409+4828 ES 808

 
 
20h 40m 56.22s +48 28' 00.9" P.A. 157.00 sep 3.3 mag 10.25,11.60
 
 
Coord 2000 20409+4828 Discov num ES  808 Comp Coord arcsec 2000 20 40 56.22 +48 28 00.9
Date first 1909 Date last 2015 Obs 3
Pa first 155 Pa last 156.9 P.A. Now (θ) 156.9°
Sep first 3.5 Sep last 3.305 Sep. Now (ρ) 3.305"
Mag pri 10.25 Mag sec 11.60 delta mag (ΔM) 1.35 Spectral class
Pri motion ra -006 Sec motion ra
Pri motion dec -003 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 3578-02084-1 Gaia DR2 2167792800302137600 ADS 14164