17189-2400 H 6  54AC

 
 
17H 18M 55.50S -23 59' 49.2" P.A. 142 SEP 79.5 MAG 9.73,9.74 SP A2III/IV
 
 
Coord 2000
17189-2400
Discov num
H 6  54
Comp
AC
Coord arcsec 2000
17 18 55.50 -23 59 49.2
Date first
1909
Date last
2000
Obs
10
Pa first
143
Pa last
142
P.A. Now (θ)
142°
Sep first
80.0
Sep last
79.5
Sep. Now (ρ)
79.5"
Mag pri
9.73
Mag sec
9.74
delta mag (ΔM)
0.01
Spectral class
A2III/IV (white)
Pri motion ra
-003
Sec motion ra
-001
Pri motion dec
-017
Sec motion dec
-001
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
 
 
Constellation
Ophiuchus
Tycho2
6825-00412-1
HD
156504
last precise pa
142.1
last precise sep
79.464