17353-2203 HUB  17AB (52 Oph)

 
 
17h 35m 18.50s -22 02' 37.7" P.A. 53 sep 8.7 mag 6.30,12.66 Sp B9Si dist. 258.4 pc (842.9 l.y.)
 
 
Coord 2000
17353-2203
Discov num
HUB  17
Comp
AB
Coord arcsec 2000
17 35 18.50 -22 02 37.7
Date first
1998
Date last
1999
Obs
2
Pa first
53
Pa last
53
P.A. Now (θ)
53°
Sep first
8.4
Sep last
8.7
Sep. Now (ρ)
8.7"
Mag pri
6.30
Mag sec
12.66
delta mag (ΔM)
6.36
Spectral class
B9Si (blue-white)
Pri motion ra
-005
Sec motion ra
Pri motion dec
+001
Sec motion dec
Notes
K (K-band or other infrared magnitudes)
Nature of this double is uncertain.
 
 
17353-2203 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 52 Oph 185526 17353-2203 HUB 17 AB 1998 1999 2 53 8.7 6.30 12.66 6.36 <===
Show 185526 17353-2203 HUB 17 AC 1999 1999 1 10 5.4 6.30 14.18 7.88
Show 185526 17353-2203 HUB 17 AD 1999 1999 1 142 6.3 6.30 15.07 8.77
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
52.9
Precise sep
8.703
Name
52 Oph
Var name
V2125 Oph
Constellation
Ophiuchus
SAO
185526
HIP
86060
Tycho2
6247-00258-1
HD
159376
HR
6545
GC
23826
BD
BD-21 4659
Flamsteed
52 Ophiuchi
Flamsteed name
52 Oph
Distance
258.4
Distance ly
842.9
last precise pa
52.9
last precise sep
8.703
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17353-2203 HUB 17 AB 1999 2 53 8.7 6.30 12.66 B9Si DK 173518.50-220237.7

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