20542+4111 ES 1684

 
 
20h 54m 11.79s +41° 10' 17.0" P.A. 277.00 sep 7.9 mag 10.68,14.20
 
 
Coord 2000 20542+4111 Discov num ES 1684 Comp Coord arcsec 2000 20 54 11.79 +41 10 17.0
Date first 1917 Date last 2015 Obs 8
Pa first 274 Pa last 276.8 P.A. Now (θ) 276.8°
Sep first 7.5 Sep last 7.937 Sep. Now (ρ) 7.937"
Mag pri 10.68 Mag sec 14.20 delta mag (ΔM) 3.52 Spectral class
Pri motion ra -002 Sec motion ra -013
Pri motion dec -004 Sec motion dec +004
Notes
rPM=1
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 3171-00689-1 Gaia DR2 2065573884324081024