20169+5717 TDT 2139

 
 
20h 16m 52.09s +57 16' 53.9" P.A. 101.00 sep 3.2 mag 11.75,12.66
 
 
Coord 2000 20169+5717 Discov num TDT2139 Comp Coord arcsec 2000 20 16 52.09 +57 16 53.9
Date first 1991 Date last 2016 Obs 5
Pa first 100 Pa last 101.1 P.A. Now (θ) 101.1°
Sep first 3.2 Sep last 3.21 Sep. Now (ρ) 3.21"
Mag pri 11.75 Mag sec 12.66 delta mag (ΔM) 0.91 Spectral class
Pri motion ra -011 Sec motion ra -011
Pri motion dec +005 Sec motion dec -001
Notes
rPM=0.497
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 3945-00862-1 Gaia DR2 2187947943646016896