20217+5717 TDT 2204

 
 
20h 21m 41.63s +57° 17' 26.1" P.A. 306.00 sep 2.1 mag 11.75,11.85
 
 
Coord 2000 20217+5717 Discov num TDT2204 Comp Coord arcsec 2000 20 21 41.63 +57 17 26.1
Date first 1991 Date last 2015 Obs 2
Pa first 308 Pa last 305.5 P.A. Now (θ) 305.5°
Sep first 2.3 Sep last 2.136 Sep. Now (ρ) 2.136"
Mag pri 11.75 Mag sec 11.85 delta mag (ΔM) 0.1 Spectral class
Pri motion ra -003 Sec motion ra
Pri motion dec -003 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 3945-00202-1 Gaia DR2 2187841909492327424