21487+3914 TDS 1147

 
 
21h 48m 41.86s +39° 13' 41.3" P.A. 26.00 sep 1.0 mag 11.26,11.33
 
 
Coord 2000 21487+3914 Discov num TDS1147 Comp Coord arcsec 2000 21 48 41.86 +39 13 41.3
Date first 1991 Date last 2016 Obs 4
Pa first 24 Pa last 25.5 P.A. Now (θ) 25.5°
Sep first 0.9 Sep last 0.961 Sep. Now (ρ) 0.961"
Mag pri 11.26 Mag sec 11.33 delta mag (ΔM) 0.07 Spectral class
Pri motion ra +011 Sec motion ra +011
Pri motion dec -009 Sec motion dec -009
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 3184-00121-1 Gaia DR2 1953371471480964096