21408+4911 TDT 3101

 
 
21h 40m 50.81s +49° 11' 25.5" P.A. 330.00 sep 0.9 mag 10.76,11.48
 
 
Coord 2000 21408+4911 Discov num TDT3101 Comp Coord arcsec 2000 21 40 50.81 +49 11 25.5
Date first 1991 Date last 1991 Obs 1
Pa first 330 Pa last 329.8 P.A. Now (θ) 329.8°
Sep first 0.9 Sep last 0.87 Sep. Now (ρ) 0.87"
Mag pri 10.76 Mag sec 11.48 delta mag (ΔM) 0.72 Spectral class
Pri motion ra +001 Sec motion ra +001
Pri motion dec +000 Sec motion dec +000
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 3599-01058-1 Gaia DR2 1978837157231729920