18408+2518 SLE 500

 
 
18h 40m 47.88s +25° 18' 08.9" P.A. 179.00 sep 18.1 mag 11.54,12.62
 
 
Coord 2000 18408+2518 Discov num SLE 500 Comp Coord arcsec 2000 18 40 47.88 +25 18 08.9
Date first 1897 Date last 2015 Obs 12
Pa first 176 Pa last 178.7 P.A. Now (θ) 178.7°
Sep first 19.4 Sep last 18.135 Sep. Now (ρ) 18.135"
Mag pri 11.54 Mag sec 12.62 delta mag (ΔM) 1.08 Spectral class
Pri motion ra +012 Sec motion ra +007
Pri motion dec -014 Sec motion dec -004
Notes
rPM=0.606
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Hercules Tycho2 2111-00940-1 Gaia DR2 4536171598494423552 HD 336741