20489+3919 TDT 2558

 
 
20h 48m 54.30s +39° 18' 56.4" P.A. 191.00 sep 1.1 mag 11.81,12.19
 
 
Coord 2000 20489+3919 Discov num TDT2558 Comp Coord arcsec 2000 20 48 54.30 +39 18 56.4
Date first 1991 Date last 1991 Obs 1
Pa first 191 Pa last 190.7 P.A. Now (θ) 190.7°
Sep first 1.1 Sep last 1.14 Sep. Now (ρ) 1.14"
Mag pri 11.81 Mag sec 12.19 delta mag (ΔM) 0.38 Spectral class
Pri motion ra +020 Sec motion ra +020
Pri motion dec +015 Sec motion dec +015
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 3166-00089-1 Gaia DR2 2064933968558619008