18303+1907 COU 508

 
 
18h 30m 16.78s +19° 07' 27.3" P.A. 254.00 sep 0.9 mag 10.00,12.70 Sp F5
 
 
Coord 2000 18303+1907 Discov num COU 508 Comp Coord arcsec 2000 18 30 16.78 +19 07 27.3
Date first 1970 Date last 2016 Obs 5
Pa first 249 Pa last 253.7 P.A. Now (θ) 253.7°
Sep first 0.7 Sep last 0.91 Sep. Now (ρ) 0.91"
Mag pri 10.00 Mag sec 12.70 delta mag (ΔM) 2.7 Spectral class F5 (yellow-white)
Pri motion ra -012 Sec motion ra
Pri motion dec +007 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Hercules SAO 103790 Tycho2 1577-01852-1 Gaia DR2 4525151915004114432
HD 348794