18188-1804 OL  104

 
 
18H 19M 15.90S -18 07' 19.2" P.A. 214 SEP 3.5 MAG 9.50,10.50 SP B5
 
 
Coord 2000
18188-1804
Discov num
OL  104
Comp
Coord arcsec 2000
18 19 15.90 -18 07 19.2
Date first
1921
Date last
2000
Obs
4
Pa first
213
Pa last
214
P.A. Now (θ)
214°
Sep first
3.0
Sep last
3.5
Sep. Now (ρ)
3.5"
Mag pri
9.50
Mag sec
10.50
delta mag (ΔM)
1
Spectral class
B5 (blue-white)
Pri motion ra
-002
Sec motion ra
Pri motion dec
+014
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Sagittarius
Tycho2
6269-02616-1
HD
313139
last precise pa
213.6
last precise sep
3.51