21279+3439 TDT 2980

 
 
21h 27m 56.96s +34° 39' 10.8" P.A. 235.00 sep 2.3 mag 12.12,12.63
 
 
Coord 2000 21279+3439 Discov num TDT2980 Comp Coord arcsec 2000 21 27 56.96 +34 39 10.8
Date first 1991 Date last 2016 Obs 2
Pa first 121 Pa last 234.5 P.A. Now (θ) 234.5°
Sep first 2.0 Sep last 2.288 Sep. Now (ρ) 2.288"
Mag pri 12.12 Mag sec 12.63 delta mag (ΔM) 0.51 Spectral class
Pri motion ra +017 Sec motion ra +017
Pri motion dec -008 Sec motion dec -008
Notes X (Dubious double)
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 2712-01858-1 Gaia DR2 1951212030651258496