20506+5452 DJU 5 CD

 
 
20h 50m 40.79s +54° 52' 29.6" P.A. 173.00 sep 4.0 mag 12.60,13.30
 
 
Coord 2000 20506+5452 Discov num DJU   5 Comp CD Coord arcsec 2000 20 50 40.79 +54 52 29.6
Date first 1954 Date last 2009 Obs 5
Pa first 167 Pa last 172.7 P.A. Now (θ) 172.7°
Sep first 3.8 Sep last 4.04 Sep. Now (ρ) 4.04"
Mag pri 12.60 Mag sec 13.30 delta mag (ΔM) 0.7 Spectral class
Pri motion ra -004 Sec motion ra -007
Pri motion dec -002 Sec motion dec -006
Notes
rPM=0.542
Nature of this double is uncertain.
 
 
20506+5452 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 20 50 33 +54 51 57 HJ 1587 AB 2015 13 259 10.4 10.80 12.40 1.60
Show 20 50 33 +54 51 57 DJU 5 AC 2015 5 66 77.9 10.80 12.60 1.80
Show 20 50 41 +54 52 30 DJU 5 CD 2009 5 173 4.0 12.60 13.30 0.70 <===
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Gaia DR2 2183051375992159104