21238+4710 A 765 CD

 
 
21h 23m 51.16s +47° 10' 16.6" P.A. 345.00 sep 5.9 mag 14.00,14.50
 
 
Coord 2000 21238+4710 Discov num A   765 Comp CD Coord arcsec 2000 21 23 51.16 +47 10 16.6
Date first 1904 Date last 2015 Obs 9
Pa first 330 Pa last 344.5 P.A. Now (θ) 344.5°
Sep first 6.4 Sep last 5.855 Sep. Now (ρ) 5.855"
Mag pri 14.00 Mag sec 14.50 delta mag (ΔM) 0.5 Spectral class
Pri motion ra +015 Sec motion ra +008
Pri motion dec -029 Sec motion dec -002
Notes
rPM=0.854
This double is not physical.
 
 
21238+4710 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 203938 50792 21 23 50 +47 09 52 A 765 AB 2016 24 22 0.6 9.02 7.33 1.69
Show 50792 21 23 50 +47 09 52 A 765 AB,C 2003 5 22 26.4 7.12 14.00 6.88
Show 21 23 51 +47 10 17 A 765 CD 2015 9 345 5.9 14.00 14.50 0.50 <===
Quadruple system
5 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Gaia DR2 1972509811412093440