20117+3458 SEI 977

 
 
20h 11m 43.26s +34 57' 25.8" P.A. 39.00 sep 15.2 mag 11.84,11.89
 
 
Coord 2000 20117+3458 Discov num SEI 977 Comp Coord arcsec 2000 20 11 43.26 +34 57 25.8
Date first 1896 Date last 2015 Obs 19
Pa first 39 Pa last 38.7 P.A. Now (θ) 38.7°
Sep first 12.9 Sep last 15.225 Sep. Now (ρ) 15.225"
Mag pri 11.84 Mag sec 11.89 delta mag (ΔM) 0.05 Spectral class
Pri motion ra -015 Sec motion ra -002
Pri motion dec -015 Sec motion dec -002
Notes L (Linear solution)
rPM=0.867
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 2679-02098-1 Gaia DR2 2058755469135687808