20434+4501 ES 668 AB

 
 
20h 43m 24.38s +45° 00' 38.7" P.A. 68.00 sep 5.2 mag 8.56,14.20 Sp K0
 
 
Coord 2000 20434+4501 Discov num ES  668 Comp AB Coord arcsec 2000 20 43 24.38 +45 00 38.7
Date first 1908 Date last 2015 Obs 4
Pa first 73 Pa last 67.5 P.A. Now (θ) 67.5°
Sep first 6.2 Sep last 5.2 Sep. Now (ρ) 5.2"
Mag pri 8.56 Mag sec 14.20 delta mag (ΔM) 5.64 Spectral class K0 (yellow-orange)
Pri motion ra +002 Sec motion ra
Pri motion dec -007 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
20434+4501 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 20 43 24 +45 00 39 ES 668 AB 2015 4 68 5.2 8.56 14.20 5.64 <===
Show 20 43 24 +45 00 39 ES 668 AC 2015 11 269 23.4 8.56 12.80 4.24
Show 20 43 24 +45 00 39 FYM 322 AD 2015 8 200 18.7 8.56 15.10 6.54
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 3574-01823-1 Gaia DR2 2070198670749780608