18089-3115 B  2855

 
 
18H 08M 54.29S -31 14' 53.3" P.A. 243 SEP 6.7 MAG 9.51,12.50 SP B6IB/II
 
 
Coord 2000
18089-3115
Discov num
B  2855
Comp
Coord arcsec 2000
18 08 54.29 -31 14 53.3
Date first
1930
Date last
1999
Obs
4
Pa first
225
Pa last
243
P.A. Now (θ)
243°
Sep first
6.0
Sep last
6.7
Sep. Now (ρ)
6.7"
Mag pri
9.51
Mag sec
12.50
delta mag (ΔM)
2.99
Spectral class
B6Ib/II (blue-white)
Pri motion ra
+007
Sec motion ra
Pri motion dec
-004
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Sagittarius
SAO
209767
Tycho2
7391-00374-1
HD
165747
last precise pa
243
last precise sep
6.745