17530+1521 OSO  86AB

 
 
17h 52m 59.72s +15 21' 03.0" P.A. 208 sep 20.9 mag 11.87,19.10
 
 
Coord 2000
17530+1521
Discov num
OSO  86
Comp
AB
Coord arcsec 2000
17 52 59.72 +15 21 03.0
Date first
1995
Date last
1995
Obs
1
Pa first
208
Pa last
208
P.A. Now (θ)
208°
Sep first
20.9
Sep last
20.9
Sep. Now (ρ)
20.9"
Mag pri
11.87
Mag sec
19.10
delta mag (ΔM)
7.23
Spectral class
Pri motion ra
-093
Sec motion ra
Pri motion dec
-225
Sec motion dec
Notes
N (See Notes)
Nature of this double is uncertain.
 
 
17530+1521 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 17530+1521 OSO 86 AB 1995 1995 1 208 20.9 11.87 19.10 7.23 <===
Show 17530+1521 OSO 86 AC 1995 1995 1 300 23.4 11.87 19.90 8.03
Show 17530+1521 ZIE 11 AD 2000 2012 3 113 28.3 11.86 14.50 2.64
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
208
Precise sep
20.9
Constellation
Hercules
Tycho2
1553-01250-1
last precise pa
208
last precise sep
20.9
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17530+1521 OSO 86 AB 1995 1 208 20.9 11.87 19.10 N D 175300.00+152100.0

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