21317+3850 TDT 3009

 
 
21h 31m 43.09s +38° 50' 01.6" P.A. 122.00 sep 0.5 mag 11.42,11.44
 
 
Coord 2000 21317+3850 Discov num TDT3009 Comp Coord arcsec 2000 21 31 43.09 +38 50 01.6
Date first 1991 Date last 1991 Obs 1
Pa first 122 Pa last 122.3 P.A. Now (θ) 122.3°
Sep first 0.5 Sep last 0.53 Sep. Now (ρ) 0.53"
Mag pri 11.42 Mag sec 11.44 delta mag (ΔM) 0.02 Spectral class
Pri motion ra -008 Sec motion ra -008
Pri motion dec -030 Sec motion dec -030
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 3183-00660-1 Gaia DR2 1964334392691964544