20546+4042 ES 1685 AB

 
 
20h 54m 42.00s +40° 41' 38.9" P.A. 73.00 sep 24.2 mag 11.02,14.00
 
 
Coord 2000 20546+4042 Discov num ES 1685 Comp AB Coord arcsec 2000 20 54 42.00 +40 41 38.9
Date first 1892 Date last 2015 Obs 5
Pa first 76 Pa last 72.8 P.A. Now (θ) 72.8°
Sep first 21.6 Sep last 24.195 Sep. Now (ρ) 24.195"
Mag pri 11.02 Mag sec 14.00 delta mag (ΔM) 2.98 Spectral class
Pri motion ra -003 Sec motion ra -015
Pri motion dec -017 Sec motion dec -012
Notes
rPM=0.677
Nature of this double is uncertain.
 
 
20546+4042 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 20 54 42 +40 41 39 ES 1685 AB 2015 5 73 24.2 11.02 14.00 2.98 <===
Show 20 54 44 +40 41 46 ES 1685 BC 2015 4 74 2.8 14.00 14.50 0.50
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 3171-00377-1 Gaia DR2 2065478707847252736