20231+5504 OL 74

 
 
20h 21m 09.13s +55 03' 19.9" P.A. 41.00 sep 3.9 mag 12.80,12.90
 
 
Coord 2000 20231+5504 Discov num OL   74 Comp Coord arcsec 2000 20 21 09.13 +55 03 19.9
Date first 1916 Date last 2015 Obs 4
Pa first 41 Pa last 41.1 P.A. Now (θ) 41.1°
Sep first 3.8 Sep last 3.938 Sep. Now (ρ) 3.938"
Mag pri 12.80 Mag sec 12.90 delta mag (ΔM) 0.1 Spectral class
Pri motion ra -013 Sec motion ra +073
Pri motion dec -012 Sec motion dec +076
Notes N R (See Notes, Red magnitudes)
rPM=1.168
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Gaia DR2 2185312624734214656 ADS 13800