20453+3854 SEI 1239

 
 
20h 45m 20.65s +38° 54' 21.2" P.A. 40.00 sep 26.8 mag 9.42,12.44 Sp F2
 
 
Coord 2000 20453+3854 Discov num SEI1239 Comp Coord arcsec 2000 20 45 20.65 +38 54 21.2
Date first 1896 Date last 2015 Obs 14
Pa first 34 Pa last 39.5 P.A. Now (θ) 39.5°
Sep first 23.7 Sep last 26.75 Sep. Now (ρ) 26.75"
Mag pri 9.42 Mag sec 12.44 delta mag (ΔM) 3.02 Spectral class F2 (yellow-white)
Pri motion ra +013 Sec motion ra +039
Pri motion dec +021 Sec motion dec +025
Notes U (Proper motion indicates non-physical)
rPM=0.568
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 3166-01066-1 Gaia DR2 2063475599522069632