21103+3027 TDT 2801

 
 
21h 10m 18.95s +30° 26' 56.9" P.A. 237.00 sep 0.9 mag 11.72,12.33
 
 
Coord 2000 21103+3027 Discov num TDT2801 Comp Coord arcsec 2000 21 10 18.95 +30 26 56.9
Date first 1991 Date last 2016 Obs 4
Pa first 234 Pa last 237.4 P.A. Now (θ) 237.4°
Sep first 1.0 Sep last 0.924 Sep. Now (ρ) 0.924"
Mag pri 11.72 Mag sec 12.33 delta mag (ΔM) 0.61 Spectral class
Pri motion ra +018 Sec motion ra +018
Pri motion dec -024 Sec motion dec -024
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 2702-02448-1 Gaia DR2 1852694070814062336