18164+2912 OSO  97AB

 
 
18h 16m 22.80s +29 12' 21.2" P.A. 116 sep 16.7 mag 12.86,18.90
 
 
Coord 2000
18164+2912
Discov num
OSO  97
Comp
AB
Coord arcsec 2000
18 16 22.80 +29 12 21.2
Date first
1995
Date last
1995
Obs
1
Pa first
116
Pa last
116
P.A. Now (θ)
116°
Sep first
16.7
Sep last
16.7
Sep. Now (ρ)
16.7"
Mag pri
12.86
Mag sec
18.90
delta mag (ΔM)
6.04
Spectral class
Pri motion ra
-165
Sec motion ra
-002
Pri motion dec
-209
Sec motion dec
-014
Notes
N (See Notes)
rPM=0.954
This double is not physical.
 
 
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
 
 
Precise pa
115.7
Precise sep
16.74
Cdsa2 id
OSO 97 AB
Constellation
Hercules
Ra deg
18.273
De deg
29.20588888888889
last precise pa
115.7
last precise sep
16.74
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18164+2912 OSO 97 AB 1995 1 116 16.7 12.86 18.90 N D 181615.00+291200.0

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