20277+3605 ES 2193 AC

 
 
20h 27m 42.85s +36° 04' 25.2" P.A. 231.00 sep 7.4 mag 10.24,14.90 Sp B
 
 
Coord 2000 20277+3605 Discov num ES 2193 Comp AC Coord arcsec 2000 20 27 42.85 +36 04 25.2
Date first 1925 Date last 2015 Obs 9
Pa first 232 Pa last 231.3 P.A. Now (θ) 231.3°
Sep first 6.1 Sep last 7.43 Sep. Now (ρ) 7.43"
Mag pri 10.24 Mag sec 14.90 delta mag (ΔM) 4.66 Spectral class B (blue-white)
Pri motion ra +001 Sec motion ra +008
Pri motion dec -012 Sec motion dec -006
Notes N (See Notes)
rPM=0.766
Nature of this double is uncertain.
 
 
20277+3605 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 20 27 43 +36 04 25 ES 2193 AB 2015 6 334 4.9 10.24 11.50 1.26
Show 20 27 43 +36 04 25 ES 2193 AC 2015 9 231 7.4 10.24 14.90 4.66 <===
Show 20 27 43 +36 04 25 ES 2193 AD 2015 11 33 12.7 10.24 11.90 1.66
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 2697-00848-1 Gaia DR2 2057617302790441984