18119+3417 SEI 561

 
 
18h 11m 51.26s +34° 17' 53.4" P.A. 155.00 sep 20.8 mag 11.81,12.50
 
 
Coord 2000 18119+3417 Discov num SEI 561 Comp Coord arcsec 2000 18 11 51.26 +34 17 53.4
Date first 1894 Date last 2015 Obs 11
Pa first 154 Pa last 154.5 P.A. Now (θ) 154.5°
Sep first 20.1 Sep last 20.814 Sep. Now (ρ) 20.814"
Mag pri 11.81 Mag sec 12.50 delta mag (ΔM) 0.69 Spectral class
Pri motion ra -006 Sec motion ra -006
Pri motion dec -008 Sec motion dec -014
Notes
rPM=0.394
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Hercules Tycho2 2630-00374-1 Gaia DR2 4605167052645115264