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
 
 
Precise pa
152.5
Precise sep
1.33
Constellation
Scorpius
SAO
209480
Tycho2
7378-00672-1
HD
163106
last precise pa
152.5
last precise sep
1.33
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17557-3034 I 1011 1965 9 153 1.3 7.63 10.00 N 175544.95-303418.0

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