20117+3706 SEI 980

 
 
20h 11m 41.84s +37 06' 22.2" P.A. 185.00 sep 23.8 mag 11.87,12.65
 
 
Coord 2000 20117+3706 Discov num SEI 980 Comp Coord arcsec 2000 20 11 41.84 +37 06 22.2
Date first 1896 Date last 2015 Obs 10
Pa first 186 Pa last 184.6 P.A. Now (θ) 184.6°
Sep first 23.4 Sep last 23.843 Sep. Now (ρ) 23.843"
Mag pri 11.87 Mag sec 12.65 delta mag (ΔM) 0.78 Spectral class
Pri motion ra -001 Sec motion ra -005
Pri motion dec -003 Sec motion dec -008
Notes
rPM=0.679
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Gaia DR2 2060758465771273984