20112+3120 SEI 960

 
 
20h 11m 17.91s +31 15' 33.9" P.A. 223.00 sep 6.4 mag 13.30,13.60
 
 
Coord 2000 20112+3120 Discov num SEI 960 Comp Coord arcsec 2000 20 11 17.91 +31 15 33.9
Date first 1893 Date last 2015 Obs 9
Pa first 221 Pa last 222.6 P.A. Now (θ) 222.6°
Sep first 8.8 Sep last 6.404 Sep. Now (ρ) 6.404"
Mag pri 13.30 Mag sec 13.60 delta mag (ΔM) 0.3 Spectral class
Pri motion ra -007 Sec motion ra -009
Pri motion dec -017 Sec motion dec -007
Notes
rPM=0.555
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Gaia DR2 2053997298194487936