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HD 9446 c - 版本历史
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<p><b>新页面</b></p><div>{{Infobox Planet<br />
| bgcolour = #A0B0FF<br />
| image = <br />
| caption = <br />
| name = HD 9446 c<br />
| parent star = yes<br />
| star = HD 9446<br />
| planet = <br />
| constell = 三角座<br />
| distance = 172 ± 10光年<br />
| RA = {{RA|01|33|20}}<br />
| DEC = {{DEC|+29|15|55}}<br />
| class = G5V<br />
| discovery = yes<br />
| discovery_ref = <br />
| discoverer = <br />
| discovered = 2010年1月5日<br />
| discovery_method = 视向速度法<br />
| semimajor = 0.654±0.022[[天文单位]]<br />
| semiminor = <br />
| orbital_circ = <br />
| eccentricity = 0.06±0.06<br />
| period = 192.9±0.9地球日<br />
| inclination = <br />
| long_periastron = <br />
| time_periastron = <br />
| semi-amp =<br />
| physical_characteristics = yes<br />
| mean_radius = <br />
| density = <br />
| surface_grav = <br />
| mass =<br />
| minimum_mass = 1.82±0.17[[木星质量|''M''<sub>''J''</sub>]]<br />
| single_temperature = <br />
| magnitude =<br />
}}<br />
'''HD 9446 c'''是环绕恒星[[HD 9446]]公转的[[太阳系外行星]]，于2010年1月5日公布。它位于[[三角座]]，距离地球约172[[光年]]<ref name="sophie">{{cite journal |last=Hébrard |first=G. |coauthors=X. Bonfils, D. Ségransan, C. Moutou, X. Delfosse, F. Bouchy, I. Boisse, L. Arnold, M. Desort, R. F. Díaz, A. Eggenberger, D. Ehrenreich, T. Forveille, A.-M. Lagrange, C. Lovis, F. Pepe, C. Perrier, F. Pont, D. Queloz, N. C. Santos, S. Udry, A. Vidal-Madjar |year=2010 |title=The SOPHIE search for northern extrasolar planets: II. A multi-planet system around HD 9446 |journal=Astronomy & Astrophysics |volume= |issue= |pages= |url=http://exoplanet.eu/papers/hebrard_HD9446.pdf |doi= |deadurl=yes |archiveurl=https://web.archive.org/web/20100407210339/http://exoplanet.eu/papers/hebrard_HD9446.pdf |archivedate=2010-04-07 |access-date=2010-02-20 }}</ref>。<br />
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==相关条目==<br />
* [[HD 9446 b]]<br />
<br />
==参考资料==<br />
{{reflist}}<br />
<br />
{{HD 9446}}<br />
[[Category:太阳系外行星]]<br />
[[Category:2010年发现的系外行星]]<br />
[[Category:三角座]]</div>
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