21408+3806 TDS 1140

 
 
21h 40m 46.49s +38° 05' 39.8" P.A. 191.00 sep 1.0 mag 11.60,12.27
 
 
Coord 2000 21408+3806 Discov num TDS1140 Comp Coord arcsec 2000 21 40 46.49 +38 05 39.8
Date first 1991 Date last 2015 Obs 2
Pa first 193 Pa last 190.8 P.A. Now (θ) 190.8°
Sep first 1.0 Sep last 0.955 Sep. Now (ρ) 0.955"
Mag pri 11.60 Mag sec 12.27 delta mag (ΔM) 0.67 Spectral class
Pri motion ra +002 Sec motion ra +002
Pri motion dec +001 Sec motion dec +001
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 3184-01775-1 Gaia DR2 1953500079988373376