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HD 128311 b - 版本历史
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<p><b>新页面</b></p><div>{{Planetbox begin <br />
| name = HD 128311 b<br />
}} <br />
{{Planetbox star<br />
| star = [[HD 128311]]<br />
| constell = [[牧夫座]]<br />
| RA = {{RA|14|36|00.5607}}<br />
| DEC = {{DEC|+09|44|47.466}}<br />
| dist_ly = 54.14<br />
| dist_pc = 18.04<br />
| class = K0V<br />
| mass = 0.8<br />
| radius = 0.73<br />
| temperature = 4965<br />
| metallicity = 0.03<br />
| age = 0.39<br />
}}<br />
{{Planetbox orbit <br />
| semimajor = 1.100 ± 0.065<br />
| semimajor_gigameter = 164.6<br />
| periastron = 0.820<br />
| periastron_gigameter = 122.6<br />
| apastron = 1.380<br />
| apastron_gigameter = 206.4<br />
| eccentricity = 0.25 ± 0.10<br />
| period = 458.6 ± 6.8<br />
| period_year = 1.256<br />
| speed = 26.2<br />
| arg_peri = 111° ± 36°<br />
| t_peri = 2,450,211 ± 76<br />
| semi-amp = 66.8 ± 8.7<br />
}}<br />
{{Planetbox character <br />
| minimum_mass = 2.19 ± 0.20<br />
| minimum_mass_earth = 696 ± 64<br />
}} <br />
{{Planetbox discovery <br />
| discovery_date = 2002年<br />
| discoverers = [[保羅·巴特勒]]等人<br />
| discovery_method = [[都卜勒光譜學]]<br />
| discovery_site = {{USA}}[[加利福尼亞州]]<br />
| discovery_status = 已發表論文<br />
}}<br />
{{Planetbox reference<br />
| star = HD+128311<br />
| planet = b<br />
}}<br />
{{Planetbox end}}<br />
<br />
'''HD 128311 b'''是一顆距離地球約54光年的太陽系外行星，位於[[牧夫座]]<ref name="Butler2003"/>。該行星的軌道是長橢圓形，與母恆星 [[HD 128311]] 的平均距離約1.1天文單位。它的[[質量下限]]是2.19倍木星質量<ref name="Vogt2005"/>。<br />
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==參考資料==<br />
{{Reflist|colwidth=30em|refs=<br />
<br />
<ref name="Butler2003">{{cite journal | url=http://www.iop.org/EJ/article/0004-637X/582/1/455/56131.html | title=Seven New Keck Planets Orbiting G and K Dwarfs | last1=Butler | first1=R. Paul | last2=Marcy | first2=Geoffrey W. | last3=Vogt | first3=Steven S. | last4=Fischer | first4=Debra A. | last5=Henry | first5=Gregory W. | last6=Laughlin | first6=Gregory | last7=Wright | first7=Jason T. | display-authors=1 | journal=The Astrophysical Journal | year=2003 | volume=582 | issue=1 | pages=455–466 | doi=10.1086/344570 | bibcode=2003ApJ...582..455B | access-date=2012-11-18 | archive-date=2012-07-13 | archive-url=https://www.webcitation.org/697D9a5fX?url=http://iopscience.iop.org/0004-637X/582/1/455/fulltext/ | dead-url=no }}</ref><br />
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<ref name="Vogt2005">{{cite journal | url=http://iopscience.iop.org/0004-637X/632/1/638/fulltext/ | title=Five New Multicomponent Planetary Systems | last1=Vogt | first1=Steven S. | last2=Butler | first2=R. Paul | last3=Marcy | first3=Geoffrey W. | last4=Fischer | first4=Debra A. | last5=Henry | first5=Gregory W. | last6=Laughlin | first6=Greg | last7=Wright | first7=Jason T. | last8=Johnson | first8=John A. | display-authors=1 | journal=The Astrophysical Journal | year=2005 | volume=632 | issue=1 | pages=638–658 | doi=10.1086/432901 | bibcode=2005ApJ...632..638V | access-date=2012-11-18 | archive-date=2020-01-03 | archive-url=https://web.archive.org/web/20200103234733/http://iopscience.iop.org/0004-637X/632/1/638/fulltext/ | dead-url=no }}</ref><br />
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}}<br />
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==外部連結==<br />
* {{cite web | url=http://exoplanet.eu/planet.php?p1=HD+128311&p2=b | title=Notes for planet HD 128311 b | work=The Extrasolar Planets Encyclopaedia | accessdate=2008-08-18 | archive-date=2012-06-02 | archive-url=https://web.archive.org/web/20120602004603/http://exoplanet.eu/planet.php?p1=HD+128311&p2=b | dead-url=no }}<br />
* {{cite web | url=http://media4.obspm.fr/exoplanets/base/etoile.php?nom=HD+128311 | title=HD 128311 | work=Exoplanets | accessdate=2008-08-18 | archive-url=https://web.archive.org/web/20080514224054/http://media4.obspm.fr/exoplanets/base/etoile.php?nom=HD+128311 | archive-date=2008-05-14 | dead-url=yes }}<br />
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{{Sky|14|36|00.5607|+|09|44|47.466|54.14}}<br />
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{{HD 128311}}<br />
[[Category:牧夫座]]<br />
[[Category:類木行星]]<br />
[[Category:2002年發現的系外行星]]<br />
[[Category:徑向速度法發現的系外行星]]</div>
imported>InternetArchiveBot