20205+5336 BU 663 AB

 
 
20h 20m 30.64s +53° 35' 44.5" P.A. 305.00 sep 6.9 mag 6.18,14.20 Sp K4III dist. 606.06 pc (1976.97 l.y.)
 
 
Coord 2000 20205+5336 Discov num BU  663 Comp AB Coord arcsec 2000 20 20 30.64 +53 35 44.5
Date first 1891 Date last 2015 Obs 5
Pa first 314 Pa last 304.6 P.A. Now (θ) 304.6°
Sep first 6.6 Sep last 6.912 Sep. Now (ρ) 6.912"
Mag pri 6.18 Mag sec 14.20 delta mag (ΔM) 8.02 Spectral class K4III (yellow-orange)
Pri motion ra +012 Sec motion ra
Pri motion dec +009 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
20205+5336 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 32491 20 20 31 +53 35 44 BU 663 AB 2015 5 305 6.9 6.18 14.20 8.02 <===
Show HD 193944 32491 20 20 31 +53 35 44 BU 663 AC 1958 7 69 6.5 6.18 12.40 6.22
Show 32491 20 20 31 +53 35 44 BU 663 AD 2015 2 232 12.2 6.18 14.50 8.32
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus SAO 32491 HIP 100295 Tycho2 3937-00494-1
Gaia DR2 2184903365893090688 HD 193944 HR 7791 GC 28311
ADS 13743 BD BD+53 2384 Distance 606.06 Distance ly 1976.97