17098+0804 OSO  77AD

 
 
17H 09M 47.38S +08 04' 25.5" P.A. 353 SEP 10.3 MAG 12.61,18.90
 
 
Coord 2000
17098+0804
Discov num
OSO  77
Comp
AD
Coord arcsec 2000
17 09 47.38 +08 04 25.5
Date first
1995
Date last
1996
Obs
2
Pa first
348
Pa last
353
P.A. Now (θ)
353°
Sep first
10.0
Sep last
10.3
Sep. Now (ρ)
10.3"
Mag pri
12.61
Mag sec
18.90
delta mag (ΔM)
6.29
Spectral class
Pri motion ra
-172
Sec motion ra
Pri motion dec
-381
Sec motion dec
Notes
N (See Notes)
Nature of this double is uncertain.
 
 
17098+0804 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 17098+0804 OSO 77 AB 1995 2001 5 275 6.4 12.61 15.90 3.29
Show 17098+0804 OSO 77 AC 1995 1995 1 56 9.1 12.61 20.50 7.89
Show 17098+0804 OSO 77 AD 1995 1996 2 353 10.3 12.61 18.90 6.29 <===
Show 17098+0804 OSO 77 AE 1995 2000 4 101 10.8 12.61 17.40 4.79
Show 17098+0804 OSO 77 AF 1995 1996 3 268 15.8 12.61 18.70 6.09
Show 17098+0804 OSO 77 AG 1995 1995 1 198 15.7 12.61 19.50 6.89
Show 17098+0804 OSO 77 AH 1995 1995 1 20 17.1 12.61 19.30 6.69
Octuple system
8 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Ophiuchus
last precise pa
353
last precise sep
10.3