20178+5717 KR 50 AB (HD 193511)

 
 
20h 17m 46.12s +57 17' 16.4" P.A. 129.00 sep 2.1 mag 8.55,9.99 Sp K0
 
 
Coord 2000 20178+5717 Discov num KR   50 Comp AB Coord arcsec 2000 20 17 46.12 +57 17 16.4
Date first 1890 Date last 2016 Obs 16
Pa first 131 Pa last 128.5 P.A. Now (θ) 128.5°
Sep first 2.2 Sep last 2.103 Sep. Now (ρ) 2.103"
Mag pri 8.55 Mag sec 9.99 delta mag (ΔM) 1.44 Spectral class K0 (yellow-orange)
Pri motion ra +084 Sec motion ra +084
Pri motion dec +049 Sec motion dec +049
Notes
Nature of this double is uncertain.
 
 
20178+5717 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 193511 20 17 46 +57 17 16 KR 50 AB 2016 16 129 2.1 8.55 9.99 1.44 <===
Show 20 17 46 +57 17 16 KR 50 AC 2015 7 73 66.6 8.55 11.54 2.99
Show 20 17 54 +57 17 36 KR 50 CD 2016 3 355 1.7 11.54 12.50 0.96
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 193511 Constellation Cygnus Tycho2 3945-00886-1 Gaia DR2 2187944477607218944
HD 193511