21423+4616 ES 1275 AB

 
 
21h 42m 16.59s +46° 16' 22.7" P.A. 1.00 sep 72.6 mag 8.62,12.90 Sp K0
 
 
Coord 2000 21423+4616 Discov num ES 1275 Comp AB Coord arcsec 2000 21 42 16.59 +46 16 22.7
Date first 1913 Date last 2013 Obs 6
Pa first 4 Pa last 1.4 P.A. Now (θ) 1.4°
Sep first 66.5 Sep last 72.63 Sep. Now (ρ) 72.63"
Mag pri 8.62 Mag sec 12.90 delta mag (ΔM) 4.28 Spectral class K0 (yellow-orange)
Pri motion ra +004 Sec motion ra +004
Pri motion dec -071 Sec motion dec -018
Notes
rPM=0.745
Nature of this double is uncertain.
 
 
21423+4616 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 21 42 17 +46 16 23 ES 1275 AB 2013 6 1 72.6 8.62 12.90 4.28 <===
Show 21 42 17 +46 17 34 ES 1275 BC 2015 5 337 4.3 12.90 13.30 0.40
Show 21 42 17 +46 17 34 ES 1275 BD 2015 5 286 6.1 12.90 13.10 0.20
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 3591-00480-1 Gaia DR2 1974255797202377856