17529+2941 AC 8 (HD 163032)
17h 52m 52.59s +29° 40' 49.7" P.A. 304.00 sep 0.1 mag 9.09,8.49 Sp A5 dist. 625 pc (2038.75 l.y.)
| Coord 2000 |
17529+2941 |
|
Discov num |
AC 8 |
|
Comp |
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Coord arcsec 2000 |
17 52 52.59 +29 40 49.7 |
|
| Date first |
1857 |
|
Date last |
2014 |
|
Obs |
63 |
|
| Pa first |
244 |
|
Pa last |
304.4 |
|
P.A. Now (θ) |
304.4° |
|
| Sep first |
0.4 |
|
Sep last |
0.111 |
|
Sep. Now (ρ) |
0.111" |
|
| Mag pri |
9.09 |
|
Mag sec |
8.49 |
|
delta mag (ΔM) |
0.6 |
|
Spectral class |
A5 (white) |
|
| Pri motion ra |
-023 |
|
Sec motion ra |
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|
| Pri motion dec |
+001 |
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Sec motion dec |
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| Notes |
O
(Orbital solution) |
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This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 163032 |
|
Constellation |
Hercules |
|
SAO |
85504 |
|
HIP |
87524 |
|
| Tycho2 |
2102-01429-1 |
|
Gaia DR2 |
4596803308209955840 |
|
HD |
163032 |
|
ADS |
10866 |
|
| BD |
BD+29 3134 |
|
Distance |
625 |
|
Distance ly |
2038.75 |
|
ORBITAL ELEMENTS
| Period (P) | 1778y | |
Periastron (T) | 2018y | |
Semi-major axis (a) | 0.976a | |
| Eccentricity (e) | 0.94 | |
Inclination (i) | 67.5° | |
Longitude of periastron (ω) | 256.5° | |
| Node (Ω) | 123.9° | |
Notes | | |
Reference | Zir2014a | |
| Equinox | 2000 | |
Last observation | 2008 | |
Grade | 4 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
284.9 |
0.162 |
| 2001 |
285.9 |
0.158 |
| 2002 |
286.9 |
0.154 |
| 2003 |
288.0 |
0.150 |
| 2004 |
289.2 |
0.146 |
| 2005 |
290.4 |
0.141 |
| 2006 |
291.7 |
0.136 |
| 2007 |
293.1 |
0.131 |
| 2008 |
294.6 |
0.126 |
| 2009 |
296.3 |
0.119 |
| 2010 |
298.2 |
0.113 |
| 2011 |
300.3 |
0.105 |
| 2012 |
302.8 |
0.097 |
| 2013 |
305.8 |
0.087 |
| 2014 |
309.5 |
0.077 |
| 2015 |
314.5 |
0.065 |
| 2016 |
322.0 |
0.052 |
| 2017 |
335.0 |
0.038 |
| 2018 |
1.8 |
0.026 |
| 2019 |
47.7 |
0.024 |
| 2020 |
81.1 |
0.034 |
| 2021 |
96.9 |
0.048 |
| 2022 |
105.3 |
0.063 |
| 2023 |
110.5 |
0.077 |
| 2024 |
114.2 |
0.090 |
| 2025 |
116.9 |
0.102 |
| 2026 |
119.1 |
0.113 |
| 2027 |
120.9 |
0.124 |
| 2028 |
122.4 |
0.134 |
| 2029 |
123.7 |
0.144 |
| 2030 |
124.8 |
0.153 |
|
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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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