18164+2912 OSO  97AC

 
 
18H 16M 22.80S +29 12' 21.2" P.A. 5 SEP 17.8 MAG 12.86,19.00
 
 
Coord 2000
18164+2912
Discov num
OSO  97
Comp
AC
Coord arcsec 2000
18 16 22.80 +29 12 21.2
Date first
1995
Date last
1995
Obs
1
Pa first
5
Pa last
5
P.A. Now (θ)
Sep first
17.8
Sep last
17.8
Sep. Now (ρ)
17.8"
Mag pri
12.86
Mag sec
19.00
delta mag (ΔM)
6.14
Spectral class
Pri motion ra
-165
Sec motion ra
-010
Pri motion dec
-209
Sec motion dec
+008
Notes
N (See Notes)
Nature of this double is uncertain.
 
 
18164+2912 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 18164+2912 OSO 97 AB 1995 1995 1 116 16.7 12.86 18.90 6.04
Show 18164+2912 OSO 97 AC 1995 1995 1 5 17.8 12.86 19.00 6.14 <===
Show 18164+2912 OSO 97 AD 1995 1995 1 264 23.5 12.86 19.10 6.24
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Hercules
last precise pa
4.7
last precise sep
17.84