18457-2847 B 404

 
 
18h 45m 39.85s -28° 46' 38.6" P.A. 238.00 sep 5.0 mag 8.66,14.70 Sp B8/9II
 
 
Coord 2000 18457-2847 Discov num B   404 Comp Coord arcsec 2000 18 45 39.85 -28 46 38.6
Date first 1927 Date last 2000 Obs 2
Pa first 251 Pa last 237.6 P.A. Now (θ) 237.6°
Sep first 4.5 Sep last 4.96 Sep. Now (ρ) 4.96"
Mag pri 8.66 Mag sec 14.70 delta mag (ΔM) 6.04 Spectral class B8/9II (blue-white)
Pri motion ra +002 Sec motion ra
Pri motion dec +009 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Sagittarius SAO 187237 Tycho2 6871-00749-1 Gaia DR2 4071482834612665600
HD 173302