20396+4035 STT 410 AB,D

 
 
20h 39m 33.31s +40° 34' 46.8" P.A. 327.00 sep 106.6 mag 6.76,10.02 Sp B8IIIpMn dist. 283.29 pc (924.09 l.y.)
 
 
Coord 2000 20396+4035 Discov num STT 410 Comp AB,D Coord arcsec 2000 20 39 33.31 +40 34 46.8
Date first 1892 Date last 2018 Obs 14
Pa first 326 Pa last 326.9 P.A. Now (θ) 326.9°
Sep first 102.9 Sep last 106.637 Sep. Now (ρ) 106.637"
Mag pri 6.76 Mag sec 10.02 delta mag (ΔM) 3.26 Spectral class B8IIIpMn (blue-white)
Pri motion ra +007 Sec motion ra -007
Pri motion dec -002 Sec motion dec +026
Notes
rPM=1.163
This double is not physical.
 
 
20396+4035 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 197018 49899 20 39 33 +40 34 47 STT 410 AB 2018 146 3 0.9 6.73 6.83 0.10 Y
Show 49899 20 39 33 +40 34 47 STT 410 AB,C 2018 33 70 68.6 6.76 8.72 1.96
Show 49899 20 39 33 +40 34 47 STT 410 AB,D 2018 14 327 106.6 6.76 10.02 3.26 <===
Quadruple system
5 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus SAO 49899 HIP 101949 Tycho2 3157-01482-1
Gaia DR2 2064603324789659008 HD 197018 HR 7911 ADS 14126
BD BD+40 4266 Distance 283.29 Distance ly 924.09