17540+0303 OSO  87AG

 
 
17H 53M 58.63S +03 03' 16.4" P.A. 145 SEP 19.9 MAG 13.08,17.70
 
 
Coord 2000
17540+0303
Discov num
OSO  87
Comp
AG
Coord arcsec 2000
17 53 58.63 +03 03 16.4
Date first
1995
Date last
2000
Obs
2
Pa first
150
Pa last
145
P.A. Now (θ)
145°
Sep first
20.0
Sep last
19.9
Sep. Now (ρ)
19.9"
Mag pri
13.08
Mag sec
17.70
delta mag (ΔM)
4.62
Spectral class
Pri motion ra
-206
Sec motion ra
Pri motion dec
-247
Sec motion dec
Notes
N (See Notes)
Nature of this double is uncertain.
 
 
17540+0303 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 17540+0303 OSO 87 AB 1995 1995 1 108 5.5 13.08 19.10 6.02
Show 17540+0303 OSO 87 AC 1995 1995 1 1 6.0 13.08 19.00 5.92
Show 17540+0303 OSO 87 AD 1995 2000 2 187 6.8 13.08 19.10 6.02
Show 17540+0303 OSO 87 AE 1995 2000 3 228 11.7 13.08 15.10 2.02
Show 17540+0303 OSO 87 AF 1995 2000 2 3 17.5 13.08 17.90 4.82
Show 17540+0303 OSO 87 AG 1995 2000 2 145 19.9 13.08 17.70 4.62 <===
Septuple system
7 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Ophiuchus
last precise pa
145.3
last precise sep
19.85