20259+4019 ALI 1142

 
 
20h 25m 54.02s +40 18' 40.5" P.A. 56.00 sep 12.1 mag 12.10,12.30
 
 
Coord 2000 20259+4019 Discov num ALI1142 Comp Coord arcsec 2000 20 25 54.02 +40 18 40.5
Date first 1928 Date last 2015 Obs 9
Pa first 71 Pa last 55.9 P.A. Now (θ) 55.9°
Sep first 11.2 Sep last 12.079 Sep. Now (ρ) 12.079"
Mag pri 12.10 Mag sec 12.30 delta mag (ΔM) 0.2 Spectral class
Pri motion ra -009 Sec motion ra -004
Pri motion dec -018 Sec motion dec +005
Notes
rPM=1.17
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Gaia DR2 2067482052392592896