20358+5435 ES 991 AB (HD 235289)

 
 
20h 35m 45.34s +54 35' 16.7" P.A. 297.00 sep 15.9 mag 9.33,10.30 Sp K7
 
 
Coord 2000 20358+5435 Discov num ES  991 Comp AB Coord arcsec 2000 20 35 45.34 +54 35 16.7
Date first 1901 Date last 2018 Obs 14
Pa first 298 Pa last 296.6 P.A. Now (θ) 296.6°
Sep first 16.1 Sep last 15.902 Sep. Now (ρ) 15.902"
Mag pri 9.33 Mag sec 10.30 delta mag (ΔM) 0.97 Spectral class K7 (yellow-orange)
Pri motion ra -002 Sec motion ra -006
Pri motion dec -005 Sec motion dec -006
Notes
rPM=0.486
Nature of this double is uncertain.
 
 
20358+5435 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 235289 32720 20 35 45 +54 35 17 ES 991 AB 2018 14 297 15.9 9.33 10.30 0.97 <===
Show 32720 20 35 45 +54 35 17 ES 991 AC 2018 11 106 61.7 9.33 10.79 1.46
Show 20 35 52 +54 34 60 ES 991 CD 2016 5 120 2.6 10.79 13.20 2.41
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 235289 Constellation Cygnus SAO 32720 Tycho2 3954-01980-1
Gaia DR2 2183467163189146112 HD 235289