16584+3943 COU 1289 (HD 153527)
16h 58m 22.85s +39° 42' 36.8" P.A. 243.00 sep 0.1 mag 8.40,8.40 Sp G0 dist. 113.64 pc (370.69 l.y.)
| Coord 2000 |
16584+3943 |
|
Discov num |
COU1289 |
|
Comp |
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Coord arcsec 2000 |
16 58 22.85 +39 42 36.8 |
|
| Date first |
1975 |
|
Date last |
2012 |
|
Obs |
41 |
|
| Pa first |
71 |
|
Pa last |
243.1 |
|
P.A. Now (θ) |
79.4° |
|
| Sep first |
0.1 |
|
Sep last |
0.131 |
|
Sep. Now (ρ) |
0.104" |
|
| Mag pri |
8.40 |
|
Mag sec |
8.40 |
|
delta mag (ΔM) |
0 |
|
Spectral class |
G0 (yellow) |
|
| Pri motion ra |
+027 |
|
Sec motion ra |
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|
| Pri motion dec |
-125 |
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Sec motion dec |
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| Notes |
N
O
(See Notes, Orbital solution) |
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This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 153527 |
|
Constellation |
Hercules |
|
SAO |
65690 |
|
HIP |
83064 |
|
| Tycho2 |
3075-01080-1 |
|
Gaia DR2 |
1352174834290137088 |
|
HD |
153527 |
|
BD |
BD+39 3062 |
|
| Distance |
113.64 |
|
Distance ly |
370.69 |
|
ORBITAL ELEMENTS
| Period (P) | 16.09y | |
Periastron (T) | 2001.07y | |
Semi-major axis (a) | 0.075a | |
| Eccentricity (e) | 0.753 | |
Inclination (i) | 113° | |
Longitude of periastron (ω) | 154.3° | |
| Node (Ω) | 63.2° | |
Notes | n | |
Reference | Doc2013e | |
| Equinox | 2000 | |
Last observation | 2010 | |
Grade | 2 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
46.1 |
0.040 |
| 2001 |
262.8 |
0.015 |
| 2002 |
165.9 |
0.018 |
| 2003 |
109.3 |
0.036 |
| 2004 |
94.1 |
0.058 |
| 2005 |
86.9 |
0.077 |
| 2006 |
82.4 |
0.093 |
| 2007 |
79.1 |
0.105 |
| 2008 |
76.5 |
0.114 |
| 2009 |
74.1 |
0.120 |
| 2010 |
71.9 |
0.123 |
| 2011 |
69.8 |
0.122 |
| 2012 |
67.5 |
0.118 |
| 2013 |
65.0 |
0.109 |
| 2014 |
61.9 |
0.095 |
| 2015 |
57.4 |
0.074 |
| 2016 |
47.8 |
0.043 |
| 2017 |
279.6 |
0.012 |
| 2018 |
175.5 |
0.017 |
| 2019 |
111.7 |
0.034 |
| 2020 |
95.0 |
0.056 |
| 2021 |
87.4 |
0.076 |
| 2022 |
82.8 |
0.092 |
| 2023 |
79.4 |
0.104 |
| 2024 |
76.7 |
0.113 |
| 2025 |
74.3 |
0.120 |
| 2026 |
72.1 |
0.123 |
| 2027 |
70.0 |
0.122 |
| 2028 |
67.7 |
0.118 |
| 2029 |
65.3 |
0.110 |
| 2030 |
62.2 |
0.097 |
|
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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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