17223-3108 HDO 145

 
 
17H 22M 19.52S -31 07' 54.9" P.A. 137 SEP 6.4 MAG 9.46,11.50 SP B9III/IV
 
 
Coord 2000
17223-3108
Discov num
HDO 145
Comp
Coord arcsec 2000
17 22 19.52 -31 07 54.9
Date first
1868
Date last
2010
Obs
8
Pa first
140
Pa last
137
P.A. Now (θ)
137°
Sep first
5.3
Sep last
6.4
Sep. Now (ρ)
6.4"
Mag pri
9.46
Mag sec
11.50
delta mag (ΔM)
2.04
Spectral class
B9III/IV (blue-white)
Pri motion ra
-008
Sec motion ra
Pri motion dec
+004
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Scorpius
SAO
208735
Tycho2
7362-00020-1
HD
157057
last precise pa
137
last precise sep
6.35