20414+4758 ES 809 AB

 
 
20h 41m 24.21s +47 59' 40.6" P.A. 285.00 sep 1.6 mag 11.46,12.03 Sp OB-
 
 
Coord 2000 20414+4758 Discov num ES  809 Comp AB Coord arcsec 2000 20 41 24.21 +47 59 40.6
Date first 1909 Date last 2015 Obs 5
Pa first 271 Pa last 284.9 P.A. Now (θ) 284.9°
Sep first 2.6 Sep last 1.57 Sep. Now (ρ) 1.57"
Mag pri 11.46 Mag sec 12.03 delta mag (ΔM) 0.57 Spectral class OB- (blue)
Pri motion ra -005 Sec motion ra -005
Pri motion dec -003 Sec motion dec -003
Notes
Nature of this double is uncertain.
 
 
20414+4758 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 20 41 24 +47 59 41 ES 809 AB 2015 5 285 1.6 11.46 12.03 0.57 <===
Show 20 41 24 +47 59 41 SKF 2394 AC 2015 6 68 3.0 11.46 13.00 1.54
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 3578-02948-1 Gaia DR2 2167586362688808576 ADS 14173