17227-3748 B   908AC

 
 
17h 22m 39.22s -37 48' 16.7" P.A. 208 sep 10 mag 6.43,13.50 Sp B4Ia dist. 1960.78 pc (6396.06 l.y.)
 
 
Coord 2000
17227-3748
Discov num
B   908
Comp
AC
Coord arcsec 2000
17 22 39.22 -37 48 16.7
Date first
1927
Date last
2000
Obs
2
Pa first
208
Pa last
208
P.A. Now (θ)
208°
Sep first
12.0
Sep last
10.0
Sep. Now (ρ)
10"
Mag pri
6.43
Mag sec
13.50
delta mag (ΔM)
7.07
Spectral class
B4Ia (blue-white)
Pri motion ra
-002
Sec motion ra
Pri motion dec
+002
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
17227-3748 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show V975 Sco 208740 17227-3748 B 908 AB 1927 2001 2 115 2.7 6.30 12.20 5.90
Show 208740 17227-3748 B 908 AC 1927 2000 2 208 10.0 6.43 13.50 7.07 <===
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
208.4
Precise sep
9.96
Var name
V975 Sco
Constellation
Scorpius
SAO
208740
HIP
85020
Tycho2
7883-00316-1
HD
157038
HR
6450
CD
CD-3711507
Distance
1960.78
Distance ly
6396.06
last precise pa
208.4
last precise sep
9.96
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17227-3748 B 908 AC 1927 1 208 12.0 6.30 13.50 B4Ia 172239.22-374816.7
17227-3748 B 908 AC 2000 2 208 10.0 6.30 13.50 B4Ia 172239.22-374816.7

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