21257+3824 TDT 2955

 
 
21h 25m 39.50s +38° 24' 29.7" P.A. 18.00 sep 0.5 mag 11.60,11.71
 
 
Coord 2000 21257+3824 Discov num TDT2955 Comp Coord arcsec 2000 21 25 39.50 +38 24 29.7
Date first 1991 Date last 1991 Obs 1
Pa first 18 Pa last 18.3 P.A. Now (θ) 18.3°
Sep first 0.5 Sep last 0.51 Sep. Now (ρ) 0.51"
Mag pri 11.60 Mag sec 11.71 delta mag (ΔM) 0.11 Spectral class
Pri motion ra -003 Sec motion ra -003
Pri motion dec -010 Sec motion dec -010
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 3182-01445-1 Gaia DR2 1964442454070446080