18457-2847 B   404

 
 
18H 45M 39.85S -28 46' 38.6" P.A. 238 SEP 5 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
238
P.A. Now (θ)
238°
Sep first
4.5
Sep last
5.0
Sep. Now (ρ)
5"
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
last precise pa
237.6
last precise sep
4.96