09349+0515 A 2757 (HD 82867)
09h 34m 51.06s +05° 14' 51.5" P.A. 50.00 sep 0.3 mag 9.42,10.11 Sp K0 dist. 181.82 pc (593.1 l.y.)
Coord 2000 |
09349+0515 |
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Discov num |
A 2757 |
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Comp |
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Coord arcsec 2000 |
09 34 51.06 +05 14 51.5 |
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Date first |
1914 |
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Date last |
2018 |
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Obs |
20 |
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Pa first |
177 |
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Pa last |
50.2 |
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P.A. Now (θ) |
50.2° |
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Sep first |
0.3 |
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Sep last |
0.318 |
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Sep. Now (ρ) |
0.318" |
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Mag pri |
9.42 |
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Mag sec |
10.11 |
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delta mag (ΔM) |
0.69 |
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Spectral class |
K0 (yellow-orange) |
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Pri motion ra |
-057 |
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Sec motion ra |
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Pri motion dec |
-053 |
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Sec motion dec |
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Notes |
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Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 82867 |
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Constellation |
Hydra |
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SAO |
117781 |
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HIP |
47008 |
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Tycho2 |
0241-02235-1 |
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Gaia DR2 |
3852307797308141312 |
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HD |
82867 |
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ADS |
7435 |
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BD |
BD+05 2198 |
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Distance |
181.82 |
|
Distance ly |
593.1 |
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ORBITAL ELEMENTS
Period (P) | 251.2y | |
Periastron (T) | 2065.5y | |
Semi-major axis (a) | 0.322a | |
Eccentricity (e) | 0.192 | |
Inclination (i) | 132.4° | |
Longitude of periastron (ω) | 99.8° | |
Node (Ω) | 58.7° | |
Notes | | |
Reference | Lin2017b | |
Equinox | 2000 | |
Last observation | 2017 | |
Grade | 5 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
69.1 |
0.331 |
2001 |
68.2 |
0.331 |
2002 |
67.3 |
0.330 |
2003 |
66.4 |
0.330 |
2004 |
65.5 |
0.329 |
2005 |
64.6 |
0.328 |
2006 |
63.6 |
0.327 |
2007 |
62.7 |
0.326 |
2008 |
61.8 |
0.325 |
2009 |
60.9 |
0.324 |
2010 |
59.9 |
0.322 |
2011 |
59.0 |
0.321 |
2012 |
58.0 |
0.319 |
2013 |
57.0 |
0.318 |
2014 |
56.1 |
0.316 |
2015 |
55.1 |
0.314 |
2016 |
54.1 |
0.312 |
2017 |
53.0 |
0.310 |
2018 |
52.0 |
0.308 |
2019 |
51.0 |
0.305 |
2020 |
49.9 |
0.303 |
2021 |
48.8 |
0.300 |
2022 |
47.7 |
0.297 |
2023 |
46.6 |
0.295 |
2024 |
45.4 |
0.292 |
2025 |
44.3 |
0.289 |
2026 |
43.1 |
0.285 |
2027 |
41.9 |
0.282 |
2028 |
40.6 |
0.279 |
2029 |
39.3 |
0.275 |
2030 |
38.0 |
0.272 |
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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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