20093+3529 STF 2639 AB (HD 191566)

 
 
20h 09m 14.32s +35 29' 01.9" P.A. 301.00 sep 5.8 mag 7.78,8.67 Sp B0.5IV dist. 387.6 pc (1264.35 l.y.)
 
 
Coord 2000 20093+3529 Discov num STF2639 Comp AB Coord arcsec 2000 20 09 14.32 +35 29 01.9
Date first 1825 Date last 2018 Obs 57
Pa first 303 Pa last 301.1 P.A. Now (θ) 301.1°
Sep first 5.4 Sep last 5.783 Sep. Now (ρ) 5.783"
Mag pri 7.78 Mag sec 8.67 delta mag (ΔM) 0.89 Spectral class B0.5IV (blue-white)
Pri motion ra -003 Sec motion ra +005
Pri motion dec -005 Sec motion dec -016
Notes
rPM=0.811
This double is not physical.
 
 
20093+3529 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 191566 69512 20 09 14 +35 29 02 STF 2639 AB 2018 57 301 5.8 7.78 8.67 0.89 <===
Show 69512 20 09 14 +35 29 02 SEI 923 AC 2016 13 93 37.4 7.78 11.26 3.48
Show 20 09 17 +35 28 60 SEI 924 CD 2016 16 207 27.8 11.26 11.61 0.35
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 191566 Constellation Cygnus SAO 69512 HIP 99283
Tycho2 2679-00447-1 Gaia DR2 2058844907537751680 HD 191566 GC 27973
BD BD+35 3994 Distance 387.6 Distance ly 1264.35