17013-2808 B   326AB

 
 
17h 01m 16.10s -28 08' 24.2" P.A. 89 sep 0.3 mag 9.70,9.90 Sp F6V
 
 
Coord 2000
17013-2808
Discov num
B   326
Comp
AB
Coord arcsec 2000
17 01 16.10 -28 08 24.2
Date first
1926
Date last
1991
Obs
8
Pa first
327
Pa last
89
P.A. Now (θ)
89°
Sep first
0.1
Sep last
0.3
Sep. Now (ρ)
0.3"
Mag pri
9.70
Mag sec
9.90
delta mag (ΔM)
0.2
Spectral class
F6V (yellow-white)
Pri motion ra
-022
Sec motion ra
Pri motion dec
-006
Sec motion dec
Notes
N (See Notes)
Nature of this double is uncertain.
 
 
17013-2808 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 184920 17013-2808 B 326 AB 1926 1991 8 89 0.3 9.70 9.90 0.20 <===
Show 184920 17013-2808 B 326 AB,C 1926 1985 3 291 0.8 9.00 11.80 2.80
Triple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
89.1
Precise sep
0.298
Constellation
Ophiuchus
SAO
184920
Tycho2
6822-00168-1
HD
153533
last precise pa
89.1
last precise sep
0.298
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17013-2808 B 326 AB 1991 8 89 0.3 9.70 9.90 F6V N 170116.10-280824.2

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