20390+4109 TDT 2451

 
 
20h 39m 00.13s +41° 09' 21.4" P.A. 105.00 sep 0.7 mag 11.52,11.75
 
 
Coord 2000 20390+4109 Discov num TDT2451 Comp Coord arcsec 2000 20 39 00.13 +41 09 21.4
Date first 1991 Date last 2016 Obs 3
Pa first 121 Pa last 104.6 P.A. Now (θ) 104.6°
Sep first 0.8 Sep last 0.675 Sep. Now (ρ) 0.675"
Mag pri 11.52 Mag sec 11.75 delta mag (ΔM) 0.23 Spectral class
Pri motion ra -006 Sec motion ra -006
Pri motion dec -019 Sec motion dec -019
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 3157-00944-1 Gaia DR2 2064823055314131072