20530+3851 ALI 954

 
 
20h 53m 02.99s +38° 50' 53.2" P.A. 61.00 sep 8.9 mag 12.80,13.20
 
 
Coord 2000 20530+3851 Discov num ALI 954 Comp Coord arcsec 2000 20 53 02.99 +38 50 53.2
Date first 1928 Date last 2015 Obs 8
Pa first 57 Pa last 60.9 P.A. Now (θ) 60.9°
Sep first 8.7 Sep last 8.861 Sep. Now (ρ) 8.861"
Mag pri 12.80 Mag sec 13.20 delta mag (ΔM) 0.4 Spectral class
Pri motion ra -010 Sec motion ra -009
Pri motion dec -005 Sec motion dec -006
Notes
rPM=0.126 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Gaia DR2 1872716692963206784