17104-1544 BU 1118 AD (Sabik)
17h 10m 22.66s -15° 43' 30.5" P.A. 281.00 sep 101.2 mag 2.42,11.20 Sp A1IV dist. 27.09 pc (88.37 l.y.)
Coord 2000 |
17104-1544 |
|
Discov num |
BU 1118 |
|
Comp |
AD |
|
Coord arcsec 2000 |
17 10 22.66 -15 43 30.5 |
|
Date first |
1898 |
|
Date last |
2012 |
|
Obs |
8 |
|
Pa first |
289 |
|
Pa last |
281 |
|
P.A. Now (θ) |
281° |
|
Sep first |
99.8 |
|
Sep last |
101.21 |
|
Sep. Now (ρ) |
101.21" |
|
Mag pri |
2.42 |
|
Mag sec |
11.20 |
|
delta mag (ΔM) |
8.78 |
|
Spectral class |
A1IV (white) |
|
Pri motion ra |
+041 |
|
Sec motion ra |
-016 |
|
Pri motion dec |
+098 |
|
Sec motion dec |
-004 |
|
Notes |
N
(See Notes) |
|
rPM=1.1
This double is not physical.
17104-1544 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
Sabik |
160332 |
17 10 23 -15 43 30 |
BU 1118 AB |
2021 |
246 |
225 |
0.4 |
3.05 |
3.27 |
0.22 |
Y |
|
Show |
Eta Oph |
160332 |
17 10 23 -15 43 30 |
BU 1118 AB,C |
2012 |
6 |
148 |
99.8 |
2.42 |
12.34 |
9.92 |
|
|
Show |
Sabik |
160332 |
17 10 23 -15 43 30 |
BU 1118 AD |
2012 |
8 |
281 |
101.2 |
2.42 |
11.20 |
8.78 |
|
<=== |
Show |
Sabik |
160332 |
17 10 23 -15 43 30 |
DAL 52 AE |
2012 |
2 |
317 |
62.7 |
2.42 |
11.10 |
8.68 |
|
|
Quintuple system
6 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Common name |
Sabik |
|
Constellation |
Ophiuchus |
|
SAO |
160332 |
|
HIP |
84012 |
|
Tycho2 |
6232-01333-1 |
|
HD |
155125 |
|
HR |
6378 |
|
GC |
23158 |
|
ADS |
10374 |
|
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 |
|
Bayer greek |
η Oph |
|