21526+4909 COU 2445

 
 
21h 52m 34.56s +49° 09' 49.4" P.A. 18.00 sep 1.4 mag 11.15,11.10
 
 
Coord 2000 21526+4909 Discov num COU2445 Comp Coord arcsec 2000 21 52 34.56 +49 09 49.4
Date first 1986 Date last 2016 Obs 4
Pa first 17 Pa last 18.3 P.A. Now (θ) 18.3°
Sep first 1.1 Sep last 1.416 Sep. Now (ρ) 1.416"
Mag pri 11.15 Mag sec 11.10 delta mag (ΔM) 0.05 Spectral class
Pri motion ra -009 Sec motion ra -010
Pri motion dec -025 Sec motion dec -025
Notes T (Parallax indicates physical)
rPM=0.037 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 3612-02188-1 Gaia DR2 1979444499966912000