17557-3034 I  1011

 
 
17H 55M 44.95S -30 34' 18.0" P.A. 153 SEP 1.3 MAG 7.63,10.00 SP B9.5II/
 
 
Coord 2000
17557-3034
Discov num
I  1011
Comp
Coord arcsec 2000
17 55 44.95 -30 34 18.0
Date first
1910
Date last
1965
Obs
9
Pa first
140
Pa last
153
P.A. Now (θ)
153°
Sep first
1.3
Sep last
1.3
Sep. Now (ρ)
1.3"
Mag pri
7.63
Mag sec
10.00
delta mag (ΔM)
2.37
Spectral class
B9.5II/ (blue-white)
Pri motion ra
-006
Sec motion ra
Pri motion dec
+007
Sec motion dec
Notes
N (See Notes)
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Scorpius
SAO
209480
Tycho2
7378-00672-1
HD
163106
last precise pa
152.5
last precise sep
1.33