17304-0104 STF 2173 AB
17h 30m 23.78s -01° 03' 46.2" P.A. 10.00 sep 0.3 mag 6.06,6.17 Sp G5V dist. 16.34 pc (53.3 l.y.)
| Coord 2000 |
17304-0104 |
|
Discov num |
STF2173 |
|
Comp |
AB |
|
Coord arcsec 2000 |
17 30 23.78 -01 03 46.2 |
|
| Date first |
1829 |
|
Date last |
2024 |
|
Obs |
699 |
|
| Pa first |
147 |
|
Pa last |
9.7 |
|
P.A. Now (θ) |
353.9° (calc) |
|
| Sep first |
0.6 |
|
Sep last |
0.28 |
|
Sep. Now (ρ) |
0.435" (calc) |
|
| Mag pri |
6.06 |
|
Mag sec |
6.17 |
|
delta mag (ΔM) |
0.11 |
|
Spectral class |
G5V (yellow) |
|
| Pri motion ra |
-127 |
|
Sec motion ra |
-127 |
|
| Pri motion dec |
-180 |
|
Sec motion dec |
-180 |
|
| Notes |
N
O
(See Notes, Orbital solution) |
|
This double is physical.
17304-0104 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
141702 |
17 30 24 -01 03 46 |
STF 2173 AB |
2024 |
699 |
10 |
0.3 |
6.06 |
6.17 |
0.11 |
Y |
<=== |
| Show |
HD 158614 |
141702 |
17 30 24 -01 03 46 |
CSN 9 AC |
2002 |
1 |
241 |
13.7 |
3.82 |
10.60 |
6.78 |
|
|
| Show |
|
141702 |
17 30 24 -01 03 46 |
CSN 9 AD |
2002 |
1 |
317 |
16.9 |
3.82 |
5.50 |
1.68 |
|
|
Quadruple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Ophiuchus |
|
SAO |
141702 |
|
HIP |
85667 |
|
Tycho2 |
5080-02188-1 |
|
| Gaia DR2 |
4373199682919087616 |
|
HD |
158614 |
|
HR |
6516 |
|
ADS |
10598 |
|
| BD |
BD-00 3300 |
|
Distance |
16.34 |
|
Distance ly |
53.3 |
|
ORBITAL ELEMENTS
| Period (P) | 46.585y | ± 0.023 |
Periastron (T) | 2008.601y | ± 0.037 |
Semi-major axis (a) | 0.96971a | ± 0.0006 |
| Eccentricity (e) | 0.17636 | ± 0.00074 |
Inclination (i) | 99.177° | ± 0.037 |
Longitude of periastron (ω) | 324.57° | ± 0.32 |
| Node (Ω) | 151.769° | ± 0.033 |
Notes | n | |
Reference | Msn2023 | |
| Equinox | | |
Last observation | | |
Grade | 1 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
317.3 |
0.505 |
| 2001 |
311.4 |
0.382 |
| 2002 |
299.8 |
0.258 |
| 2003 |
270.4 |
0.156 |
| 2004 |
213.7 |
0.152 |
| 2005 |
182.3 |
0.251 |
| 2006 |
170.0 |
0.373 |
| 2007 |
163.8 |
0.492 |
| 2008 |
160.0 |
0.599 |
| 2009 |
157.2 |
0.688 |
| 2010 |
155.1 |
0.757 |
| 2011 |
153.2 |
0.802 |
| 2012 |
151.5 |
0.824 |
| 2013 |
149.8 |
0.821 |
| 2014 |
148.1 |
0.797 |
| 2015 |
146.2 |
0.752 |
| 2016 |
144.0 |
0.690 |
| 2017 |
141.3 |
0.614 |
| 2018 |
137.8 |
0.526 |
| 2019 |
132.7 |
0.431 |
| 2020 |
124.8 |
0.333 |
| 2021 |
110.5 |
0.242 |
| 2022 |
82.9 |
0.177 |
| 2023 |
43.5 |
0.177 |
| 2024 |
15.9 |
0.242 |
| 2025 |
1.7 |
0.335 |
| 2026 |
353.9 |
0.435 |
| 2027 |
349.0 |
0.534 |
| 2028 |
345.6 |
0.630 |
| 2029 |
343.1 |
0.719 |
| 2030 |
341.1 |
0.802 |
| 2031 |
339.5 |
0.877 |
| 2032 |
338.1 |
0.942 |
| 2033 |
336.9 |
0.997 |
| 2034 |
335.8 |
1.042 |
| 2035 |
334.8 |
1.075 |
| 2036 |
333.8 |
1.096 |
| 2037 |
332.9 |
1.104 |
| 2038 |
331.9 |
1.099 |
| 2039 |
331.0 |
1.081 |
| 2040 |
330.0 |
1.050 |
| 2041 |
328.9 |
1.004 |
| 2042 |
327.7 |
0.944 |
| 2043 |
326.3 |
0.871 |
| 2044 |
324.6 |
0.784 |
| 2045 |
322.5 |
0.685 |
| 2046 |
319.6 |
0.575 |
| 2047 |
315.3 |
0.455 |
| 2048 |
307.7 |
0.330 |
| 2049 |
291.1 |
0.210 |
| 2050 |
247.6 |
0.137 |
|
|
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
Measures: green=micrometric, blue=interferometric, purple=photographic
|
|
