20306+4956 TDT 2331

 
 
20h 30m 34.69s +49 56' 27.1" P.A. 235.00 sep 0.9 mag 12.10,12.30
 
 
Coord 2000 20306+4956 Discov num TDT2331 Comp Coord arcsec 2000 20 30 34.69 +49 56 27.1
Date first 1991 Date last 1991 Obs 1
Pa first 235 Pa last 234.5 P.A. Now (θ) 234.5°
Sep first 0.9 Sep last 0.86 Sep. Now (ρ) 0.86"
Mag pri 12.10 Mag sec 12.30 delta mag (ΔM) 0.2 Spectral class
Pri motion ra -004 Sec motion ra -004
Pri motion dec -013 Sec motion dec -013
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 3581-00179-1 Gaia DR2 2180138323019071744