17189-2400 HLD 132AB

 
 
17h 18m 55.50s -23 59' 49.2" P.A. 31 sep 2.1 mag 9.73,11.00 Sp A8/9V
 
 
Coord 2000
17189-2400
Discov num
HLD 132
Comp
AB
Coord arcsec 2000
17 18 55.50 -23 59 49.2
Date first
1888
Date last
1991
Obs
8
Pa first
30
Pa last
31
P.A. Now (θ)
31°
Sep first
2.0
Sep last
2.1
Sep. Now (ρ)
2.1"
Mag pri
9.73
Mag sec
11.00
delta mag (ΔM)
1.27
Spectral class
A8/9V (white)
Pri motion ra
-013
Sec motion ra
Pri motion dec
-022
Sec motion dec
Notes
N (See Notes)
Nature of this double is uncertain.
 
 
17189-2400 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 17189-2400 HLD 132 AB 1888 1991 8 31 2.1 9.73 11.00 1.27 <===
Show 17189-2400 H 6 54 AC 1909 2000 10 142 79.5 9.73 9.74 0.01
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
30.5
Precise sep
2.062
Constellation
Ophiuchus
Tycho2
6825-00412-1
HD
156504
last precise pa
30.5
last precise sep
2.062
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17189-2400 HLD 132 AB 1991 8 31 2.1 9.73 11.00 A8/9V 171855.50-235949.2

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