21336+3905 COU 1975 AB

 
 
21h 33m 39.09s +39° 04' 57.2" P.A. 359.00 sep 21.4 mag 10.49,11.06
 
 
Coord 2000 21336+3905 Discov num COU1975 Comp AB Coord arcsec 2000 21 33 39.09 +39 04 57.2
Date first 1928 Date last 2015 Obs 11
Pa first 4 Pa last 359.2 P.A. Now (θ) 359.2°
Sep first 22.5 Sep last 21.41 Sep. Now (ρ) 21.41"
Mag pri 10.49 Mag sec 11.06 delta mag (ΔM) 0.57 Spectral class
Pri motion ra +020 Sec motion ra -002
Pri motion dec +008 Sec motion dec -004
Notes
rPM=1.163
This double is not physical.
 
 
21336+3905 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 21 33 39 +39 04 57 COU 1975 Aa,Ab 2014 5 331 0.3 11.20 11.20 0.00
Show 21 33 39 +39 04 57 COU 1975 AB 2015 11 359 21.4 10.49 11.06 0.57 <===
Triple system
2 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 3183-02123-1