17470-4330 COO 220

 
 
17h 46m 57.88s -43 29' 36.5" P.A. 332 sep 13 mag 7.62,9.91 Sp B6II/III dist. 236.97 pc (773 l.y.)
 
 
Coord 2000
17470-4330
Discov num
COO 220
Comp
Coord arcsec 2000
17 46 57.88 -43 29 36.5
Date first
1897
Date last
2010
Obs
10
Pa first
337
Pa last
332
P.A. Now (θ)
332°
Sep first
13.9
Sep last
13.0
Sep. Now (ρ)
13"
Mag pri
7.62
Mag sec
9.91
delta mag (ΔM)
2.29
Spectral class
B6II/III (blue-white)
Pri motion ra
-003
Sec motion ra
-001
Pri motion dec
-002
Sec motion dec
-072
Notes
rPM=0.973
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
331.5
Precise sep
12.97
Cdsa2 id
COO 220
Constellation
Scorpius
SAO
228409
HIP
87033
Tycho2
7897-00581-1
HD
161312
CD
CD-4312014
Ra deg
17.782744444444443
De deg
-43.49347222222222
Distance
236.97
Distance ly
773
last precise pa
331.5
last precise sep
12.97
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17470-4330 COO 220 1999 8 332 13.1 7.62 9.91 B6II/III D 174657.88-432936.5
17470-4330 COO 220 2010 10 331 12.7 7.62 9.91 B6II/III 174657.88-432936.5

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