17188-4254 SNA  68

 
 
17H 18M 45.81S -42 53' 29.9" P.A. 20 SEP 6.4 MAG 6.84,9.84 SP O9.7III+B DIST. 471.7 PC (1538.69 L.Y.)
 
 
Coord 2000
17188-4254
Discov num
SNA  68
Comp
Coord arcsec 2000
17 18 45.81 -42 53 29.9
Date first
1999
Date last
2012
Obs
2
Pa first
21
Pa last
20
P.A. Now (θ)
20°
Sep first
6.3
Sep last
6.4
Sep. Now (ρ)
6.4"
Mag pri
6.84
Mag sec
9.84
delta mag (ΔM)
3
Spectral class
O9.7III+B (blue/blue-white)
Pri motion ra
+001
Sec motion ra
Pri motion dec
-001
Sec motion dec
Notes
V K (Proper motion indicates physical, K-band or other infrared magnitudes)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Scorpius
SAO
227814
HIP
84687
Tycho2
7878-01170-1
HD
156292
CD
CD-4212018
CP
CP-42 7720
Distance
471.7
Distance ly
1538.69
last precise pa
19.7
last precise sep
6.35