17104-1544 DAL  52AE

 
 
17H 10M 22.66S -15 43' 30.5" P.A. 317 SEP 62.7 MAG 2.42,11.10 SP A1IV DIST. 27.09 PC (88.37 L.Y.)
 
 
Coord 2000
17104-1544
Discov num
DAL  52
Comp
AE
Coord arcsec 2000
17 10 22.66 -15 43 30.5
Date first
1998
Date last
2012
Obs
2
Pa first
318
Pa last
317
P.A. Now (θ)
317°
Sep first
63.1
Sep last
62.7
Sep. Now (ρ)
62.7"
Mag pri
2.42
Mag sec
11.10
delta mag (ΔM)
8.68
Spectral class
A1IV (white)
Pri motion ra
+041
Sec motion ra
Pri motion dec
+098
Sec motion dec
Notes
N (See Notes)
Nature of this double is uncertain.
 
 
17104-1544 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show Eta Oph 160332 17104-1544 BU 1118 AB 1889 2016 225 230 0.6 3.05 3.27 0.22 Y
Show 160332 17104-1544 BU 1118 AB,C 1890 2012 6 148 99.8 2.42 12.34 9.92
Show 160332 17104-1544 BU 1118 AD 1898 2012 8 281 101.2 2.42 11.20 8.78
Show 160332 17104-1544 DAL 52 AE 1998 2012 2 317 62.7 2.42 11.10 8.68 <===
Quintuple system
6 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Ophiuchus
SAO
160332
HIP
84012
HD
155125
HR
6378
GC
23158
GL
Gl 656.1A
BD
BD-15 4467
Bayer
Eta Ophiuchi
Bayer name
Eta Oph
Flamsteed
35 Ophiuchi
Flamsteed name
35 Oph
Distance
27.09
Distance ly
88.37
last precise pa
316.5
last precise sep
62.73