20397+4721 A 748 (HD 197118)

 
 
20h 39m 44.97s +47 20' 43.0" P.A. 27.00 sep 1.4 mag 7.95,11.53 Sp B8V dist. 335.57 pc (1094.63 l.y.)
 
 
Coord 2000 20397+4721 Discov num A   748 Comp Coord arcsec 2000 20 39 44.97 +47 20 43.0
Date first 1904 Date last 1991 Obs 6
Pa first 26 Pa last 27 P.A. Now (θ) 27°
Sep first 1.4 Sep last 1.37 Sep. Now (ρ) 1.37"
Mag pri 7.95 Mag sec 11.53 delta mag (ΔM) 3.58 Spectral class B8V (blue-white)
Pri motion ra +006 Sec motion ra +006
Pri motion dec +003 Sec motion dec +004
Notes
rPM=0.139 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 197118 Constellation Cygnus SAO 49908 HIP 101963
Tycho2 3578-03120-1 Gaia DR2 2167442124810769152 HD 197118 BD BD+46 3001
Distance 335.57 Distance ly 1094.63