20197+4151 MMA 3

 
 
20h 19m 39.66s +41° 51' 10.6" P.A. 105.00 sep 11.0 mag 11.80,13.50
 
 
Coord 2000 20197+4151 Discov num MMA   3 Comp Coord arcsec 2000 20 19 39.66 +41 51 10.6
Date first 1983 Date last 2015 Obs 11
Pa first 104 Pa last 105.4 P.A. Now (θ) 105.4°
Sep first 11.1 Sep last 10.951 Sep. Now (ρ) 10.951"
Mag pri 11.80 Mag sec 13.50 delta mag (ΔM) 1.7 Spectral class
Pri motion ra -005 Sec motion ra -010
Pri motion dec -009 Sec motion dec -015
Notes
rPM=0.433
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 3159-00108-1 Gaia DR2 2068609803429042688