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HD 154345 b - 版本历史
2026-07-19T16:23:25Z
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<p><b>新页面</b></p><div>{{Planetbox begin<br />
| name=HD 154345 b<br />
}}<br />
{{Planetbox image<br />
| image = HD154345B.jpg<br />
| caption = 藝術家筆下 HD 154345 b 和它假想的岩石衛星。<br />
}}<br />
{{Planetbox star <br />
| star = [[HD 154345]]<br />
| constell = [[武仙座]]<br />
| RA = {{RA|17|02|36.40}}<br />
| DEC = {{DEC|+47|04|54.77}}<br />
| app_mag = 6.74<br />
| dist_ly = 58.91 ± 0.59<br />
| dist_pc = 18.06 ± 0.18<br />
| class = G8V<br />
| mass = 0.88<br />
}} <br />
{{Planetbox orbit<br />
| semimajor=4.18<br />
| semimajor_gm=625<br />
| semimajor_mas=89.9<br />
| periastron=4.03<br />
| periastron_gm=603<br />
| apastron=4.33<br />
| apastron_gm=647<br />
| eccentricity=0.036 ± 0.046<br />
| period=3322 ± 93<br />
| period_year=9.095<br />
| speed=13.7<br />
| arg_peri=113 <br />
| t_peri=2,453,230 ± 330<br />
| semi-amp=14.28 ± 0.75<br />
}}<br />
{{Planetbox character<br />
| minimum_mass=0.963<br />
}}<br />
{{Planetbox discovery<br />
| discovery_date=2006年3月12日發現<br />2007年5月27日確認<br />
| discovery_method=[[徑向速度]]<br />
| discovery_site={{USA}}<br />
| discoverers=Wright 等人<br />
| discovery_status=已發表論文<br />
}}<br />
{{Planetbox reference<br />
| star=HD+154345<br />
| planet=b<br />
}}<br />
{{Planetbox end}}<br />
<br />
'''HD 154345 b'''是一顆體積相當於[[木星]]的[[太陽系外行星]]，母恆星是[[HD 154345]]。<br />
<br />
==發現==<br />
Wright 等人於2006年3月以[[徑向速度]]法偵測由行星重力使恆星產生的運動，並於2007年5月確定發現該行星<ref name="Wright2007"/>。<br />
<br />
==行星狀態==<br />
該行星屬於[[類木行星]]，質量比木星稍低，半徑與木星大約相同或稍大。該行星可能有衛星系統或環系統。它和母恆星距離4.18天文單位，公轉週期約9.095年<ref name="Wright2008"/>。<br />
<br />
==參見==<br />
* [[HD 24040 b]]<br />
<br />
==參考資料==<br />
{{Reflist|colwidth=30em|refs=<br />
<br />
<ref name="Wright2007">{{cite journal | title=Four New Exoplanets and Hints of Additional Substellar Companions to Exoplanet Host Stars | url=http://www.iop.org/EJ/article/0004-637X/657/1/533/65907.html | last1=Wright | first1=J. T. | last2=Marcy | first2=G. W. | last3=Fischer | first3=D. A | last4=Butler | first4=R. P. | last5=Vogt | first5=S. S. | last6=Tinney | first6=C. G. | last7=Jones | first7=H. R. A. | last8=Carter | first8=B. D. | last9=Johnson | first9=J. A. | display-authors=1 | journal=The Astrophysical Journal | year=2007 | volume=657 | issue=1 | pages=533–545 | arxiv=astro-ph/0611658 | bibcode=2007ApJ...657..533W | doi=10.1086/510553 | access-date=2012-07-17 | archive-date=2012-02-16 | archive-url=https://www.webcitation.org/65VLNI991?url=http://iopscience.iop.org/0004-637X/657/1/533/fulltext/ | dead-url=no }}</ref><br />
<br />
<ref name="Wright2008"> {{cite journal | title=The Jupiter Twin HD 154345b | url=http://iopscience.iop.org/1538-4357/683/1/L63/fulltext/ | last1=Wright | first1=J. T. | last2=Marcy | first2=G. W. | last3=Butler | first3=R. P. | last4=Vogt | first4=S. S. | last5=Henry | first5=G. W. | last6=Isaacson | first6=H. | last7=Howard | first7=A. W. | display-authors=1 | journal=The Astrophysical Journal Letters | year=2008 | volume=683 | issue=1 | pages=L63–L66 | arxiv=0802.1731 | bibcode=2008ApJ...683L..63W | doi=10.1086/587461 }}</ref><br />
<br />
}}<br />
<br />
{{Sky|17|02|36.40|+|47|04|54.77|58.91}}<br />
<br />
[[Category:武仙座]]<br />
[[Category:类木行星]]<br />
[[Category:2006年发现的系外行星]]<br />
[[Category:徑向速度法發現的系外行星]]</div>
imported>InternetArchiveBot