17066+0039 TOK 52 Ba,Bb
17h 06m 36.18s +00° 39' 07.9" P.A. 342.00 sep 0.1 mag 10.60,10.50 Sp K4.3V dist. 57.94 pc (189 l.y.)
| Coord 2000 |
17066+0039 |
|
Discov num |
TOK 52 |
|
Comp |
Ba,Bb |
|
Coord arcsec 2000 |
17 06 36.18 +00 39 07.9 |
|
| Date first |
2009 |
|
Date last |
2021 |
|
Obs |
19 |
|
| Pa first |
182 |
|
Pa last |
341.5 |
|
P.A. Now (θ) |
27.6° |
|
| Sep first |
0.1 |
|
Sep last |
0.086 |
|
Sep. Now (ρ) |
0.094" |
|
| Mag pri |
10.60 |
|
Mag sec |
10.50 |
|
delta mag (ΔM) |
0.1 |
|
Spectral class |
K4.3V (yellow-orange) |
|
| Pri motion ra |
-021 |
|
Sec motion ra |
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|
| Pri motion dec |
-010 |
|
Sec motion dec |
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|
| Notes |
N
O
(See Notes, Orbital solution) |
|
This double is physical.
17066+0039 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 154621 |
122078 |
17 06 36 +00 39 08 |
BU 823 AB |
2021 |
168 |
178 |
1.1 |
8.73 |
9.81 |
1.08 |
Y |
|
| Show |
|
122078 |
17 06 36 +00 39 08 |
BU 823 AB,C |
2004 |
15 |
84 |
172.8 |
8.73 |
10.29 |
1.56 |
|
|
| Show |
|
|
17 06 36 +00 39 08 |
TOK 52 Ba,Bb |
2021 |
19 |
342 |
0.1 |
10.60 |
10.50 |
0.10 |
Y |
<=== |
Quadruple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Ophiuchus |
|
HIP |
83716 |
|
Tycho2 |
0398-01509-2 |
|
Gaia DR2 |
4381580675941586176 |
|
| HD |
154621 |
|
ADS |
10341 |
|
BD |
BD+00 3633 |
|
Distance |
57.94 |
|
| Distance ly |
189 |
|
ORBITAL ELEMENTS
| Period (P) | 6.311y | ± 0.031 |
Periastron (T) | 2013.04y | ± 0.03 |
Semi-major axis (a) | 0.07a | ± 0.0014 |
| Eccentricity (e) | 0.4 | ± 0.01 |
Inclination (i) | 29.9° | ± 2.9 |
Longitude of periastron (ω) | 195.2° | ± 7 |
| Node (Ω) | 2.4° | ± 6.2 |
Notes | n | |
Reference | Tok2021b | |
| Equinox | | |
Last observation | | |
Grade | 2 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
146.2 |
0.045 |
| 2001 |
269.4 |
0.045 |
| 2002 |
333.2 |
0.077 |
| 2003 |
2.1 |
0.096 |
| 2004 |
25.9 |
0.094 |
| 2005 |
56.2 |
0.076 |
| 2006 |
115.6 |
0.050 |
| 2007 |
231.3 |
0.041 |
| 2008 |
320.1 |
0.068 |
| 2009 |
354.3 |
0.092 |
| 2010 |
18.4 |
0.097 |
| 2011 |
45.2 |
0.083 |
| 2012 |
91.4 |
0.057 |
| 2013 |
190.6 |
0.042 |
| 2014 |
302.2 |
0.057 |
| 2015 |
345.7 |
0.087 |
| 2016 |
11.1 |
0.097 |
| 2017 |
35.9 |
0.089 |
| 2018 |
73.0 |
0.066 |
| 2019 |
153.5 |
0.045 |
| 2020 |
276.3 |
0.047 |
| 2021 |
335.6 |
0.079 |
| 2022 |
3.7 |
0.096 |
| 2023 |
27.6 |
0.094 |
| 2024 |
58.8 |
0.074 |
| 2025 |
121.6 |
0.049 |
| 2026 |
240.1 |
0.041 |
| 2027 |
323.2 |
0.070 |
| 2028 |
356.0 |
0.093 |
| 2029 |
20.0 |
0.096 |
| 2030 |
47.4 |
0.082 |
|
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Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
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Measures: green=micrometric, blue=interferometric, purple=photographic |
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