17210-4206 HDS2450

 
 
17h 21m 02.32s -42 06' 08.5" P.A. 31 sep 0.7 mag 8.80,12.99 Sp B9III/IV dist. 324.68 pc (1059.11 l.y.)
 
 
Coord 2000
17210-4206
Discov num
HDS2450
Comp
Coord arcsec 2000
17 21 02.32 -42 06 08.5
Date first
1991
Date last
1991
Obs
1
Pa first
31
Pa last
31
P.A. Now (θ)
31°
Sep first
0.7
Sep last
0.7
Sep. Now (ρ)
0.7"
Mag pri
8.80
Mag sec
12.99
delta mag (ΔM)
4.19
Spectral class
B9III/IV (blue-white)
Pri motion ra
+005
Sec motion ra
Pri motion dec
-003
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
31
Precise sep
0.725
Constellation
Scorpius
SAO
227850
HIP
84897
Tycho2
7891-01668-1
HD
156706
CD
CD-4111502
CP
CP-41 7949
Distance
324.68
Distance ly
1059.11
last precise pa
31
last precise sep
0.725
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17210-4206 HDS2450 1991 1 31 0.7 8.80 12.99 B9III/IV 172102.32-420608.5

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