20117+3720 SEI 982

 
 
20h 11m 42.78s +37 20' 11.5" P.A. 63.00 sep 19.6 mag 11.78,12.47 Sp em
 
 
Coord 2000 20117+3720 Discov num SEI 982 Comp Coord arcsec 2000 20 11 42.78 +37 20 11.5
Date first 1896 Date last 2016 Obs 14
Pa first 64 Pa last 63.2 P.A. Now (θ) 63.2°
Sep first 19.0 Sep last 19.582 Sep. Now (ρ) 19.582"
Mag pri 11.78 Mag sec 12.47 delta mag (ΔM) 0.69 Spectral class em
Pri motion ra -003 Sec motion ra +002
Pri motion dec -013 Sec motion dec -006
Notes
rPM=0.645
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 2683-02051-1 Gaia DR2 2060789393861224448