17303-4412 I  1005AC

 
 
17h 30m 15.41s -44 11' 47.9" P.A. 101 sep 32.7 mag 9.60,13.49 Sp B9III
 
 
Coord 2000
17303-4412
Discov num
I  1005
Comp
AC
Coord arcsec 2000
17 30 15.41 -44 11 47.9
Date first
1990
Date last
1999
Obs
3
Pa first
101
Pa last
101
P.A. Now (θ)
101°
Sep first
29.6
Sep last
32.7
Sep. Now (ρ)
32.7"
Mag pri
9.60
Mag sec
13.49
delta mag (ΔM)
3.89
Spectral class
B9III (blue-white)
Pri motion ra
-027
Sec motion ra
-004
Pri motion dec
-004
Sec motion dec
+006
Notes
rPM=0.919
This double is not physical.
 
 
17303-4412 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 228042 17303-4412 I 1005 AB 1910 1999 9 94 2.6 9.60 10.56 0.96
Show 228042 17303-4412 I 1005 AC 1990 1999 3 101 32.7 9.60 13.49 3.89 <===
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
100.6
Precise sep
32.68
Constellation
Scorpius
SAO
228042
Tycho2
7896-02798-1
HD
158239
last precise pa
100.6
last precise sep
32.68
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17303-4412 I 1005 AC 1999 2 101 30.1 9.60 12.50 B9III D 173015.41-441147.9

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