18280-2328 LEO  18

 
 
18H 28M 01.05S -23 28' 16.5" P.A. 295 SEP 2.8 MAG 10.13,10.60 SP B9III
 
 
Coord 2000
18280-2328
Discov num
LEO  18
Comp
Coord arcsec 2000
18 28 01.05 -23 28 16.5
Date first
1917
Date last
1999
Obs
6
Pa first
296
Pa last
295
P.A. Now (θ)
295°
Sep first
2.7
Sep last
2.8
Sep. Now (ρ)
2.8"
Mag pri
10.13
Mag sec
10.60
delta mag (ΔM)
0.47
Spectral class
B9III (blue-white)
Pri motion ra
+023
Sec motion ra
-013
Pri motion dec
-012
Sec motion dec
+002
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Sagittarius
Tycho2
6857-02323-1
HD
169936
last precise pa
295.2
last precise sep
2.755