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HD 41004 - 版本历史
2026-07-13T12:48:36Z
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imported>Jimmy-bot：机器人: 尚未清空的已重定向分类（Cat:橙矮星→Cat:K型主序星）
2024-06-25T11:24:58Z
<p>机器人: 尚未清空的已重定向分类（<a href="/index.php?title=Cat:%E6%A9%99%E7%9F%AE%E6%98%9F&action=edit&redlink=1" class="new" title="Cat:橙矮星（页面不存在）">Cat:橙矮星</a>→<a href="/index.php?title=Cat:K%E5%9E%8B%E4%B8%BB%E5%BA%8F%E6%98%9F&action=edit&redlink=1" class="new" title="Cat:K型主序星（页面不存在）">Cat:K型主序星</a>）</p>
<p><b>新页面</b></p><div>'''HD 41004'''是一个距离地球大约139光年的[[恒星系统]]，位于[[绘架座]]中。<br />
<br />
== HD 41004 A ==<br />
{{Starbox short<br />
| name = [[Henry Draper catalogue|HD 41004]] A<br />
| epoch = [[J2000.0]]<br />
| constell = [[绘架座]]<br />
| ra = 5<sup>h</sup> 59<sup>m</sup> 49.64<sup>s</sup><br />
| dec = −48° 14' 22.89″<br />
| appmag_v = 8.65<br />
| absmag_v = 5.51<br />
| dist_ly = 138.6<br />
| dist_pc = 42.5<br />
| spectral = K1V<br />
| names = [[Hipparcos catalogue|HIP 28393]], [[史密松天体物理台|SAO 217660]]<br />
| Simbad = HD+41004+A<br />
}}<br />
<br />
'''HD 41004 A'''是一颗[[橙矮星]]，它的[[恒星分类|光谱类型]]为K1V，[[星等]]则是8.65。<br />
<br />
=== 行星系 ===<br />
2003年，朱克（Zucker）发现了它的一颗行星[[HD 41004 Ab]]，但直到2004年才发表。它的质量超过[[木星质量]]的2.56倍。它的轨道距离恒星1.70个天文单位，公转周期为963天，[[軌道離心率|离心率]]为74%。<br />
<br />
{{OrbitboxPlanet begin|name=HD 41004 A}}<br />
{{OrbitboxPlanet<br />
| exoplanet = [[HD 41004 Ab|b]]<br />
| mass = >2.56<br />
| period = 963<br />
| semimajor = 1.70<br />
| eccentricity = 0.74<br />
}}<br />
{{Orbitbox end}}<br />
<br />
== HD 41004 B ==<br />
{{Starbox short<br />
| name = HD 41004 B<br />
| epoch = [[J2000.0]]<br />
| constell = [[绘架座]]<br />
| ra = 5<sup>h</sup> 59<sup>m</sup> 49.65<sup>s</sup><br />
| dec = −48° 14' 22.90″<br />
| spectral = M2V<br />
| appmag_v = 12.33<br />
| absmag_v = 9.16<br />
| dist_ly = 140.35<br />
| dist_pc = 43.03<br />
| names = n/a<br />
| Simbad = HD+41004+B<br />
}}<br />
'''HD 41004 B'''是一颗光谱类型为M2V的[[紅矮星]]，视星等是12.33。<br />
<br />
=== 棕矮星 ===<br />
{{Infobox Planet<br />
| bgcolour = #A0B0FF<br />
| name = HD 41004 Bb<br />
| discovery = yes<br />
| discoverer = Zucker等人<br />
| discovered = 2004<br />
| discovery_method = [[径向速度法]]<br />
| semimajor = 0.0177 [[天文单位|AU]]<br />
| periastron = 0.0163 AU<br />
| apastron = 0.0191 AU<br />
| avg_speed = 145 [[千米每秒|km/s]]<br />
| eccentricity = 0.081±0.012<br />
| period = 1.3283±1.2e-5 [[日|d]]<br />
| angular_dist = 0.411 [[毫角秒|mas]]<br />
| long_periastron = 178.5±7.8°<br />
| time_periastron = 2452434.88±0.0029 [[儒略日|JD]]<br />
| semi-amplitude = 6114±71 [[米每秒|m/s]]<br />
| physical_characteristics = yes<br />
| mass = >18.4 [[木星|''M''<sub>J</sub>]]<br />
}}<br />
<br />
'''HD 41004 Bb'''是一颗曾被误认为是[[太阳系外行星|行星]]的[[棕矮星]]，它距恒星的距离比任何已知的太阳系外行星和棕矮星都要近（轨道半长轴只有0.0177个天文单位），但公转速度只有145 km/s，公转周期为1.3天，这是因为恒星的质量较小。它的轨道是圆形的，因为HD 41004 A的[[万有引力|引力效应]]和另一颗恒星HD 41004 B的[[潮汐效应]]相互作用，抵消了对这颗棕矮星的影响。<br />
<br />
==参考文献==<br />
{{Reflist}} <br />
{{refbegin}}<br />
* {{cite journal |bibcode=2004A&A...426..695Z |author=Zucker, S.; Mazeh, T.; Santos, N. C.; Udry, S.; Mayor, M.<br />
|title=Multi-order TODCOR: Application to observations taken with the CORALIE echelle spectrograph. II. A planet in the system HD 41004 |journal=A&A |year=2004 |volume=426 |issue=2 |pages=695–698 |doi=10.1051/0004-6361:20040384}}<br />
* {{cite journal |bibcode=2002A&A...392..215S |author=Santos, N. C.; Mayor, M.; Naef, D.; Pepe, F.; Queloz, D.; Udry, S.; Burnet, M.; Clausen, J. V.; Helt, B. E.; Olsen, E. H.; Pritchard, J. D. |title=The CORALIE survey for southern extra-solar planets. IX. A 1.3-day period brown dwarf disguised as a planet |journal=A&A |year=2002 |volume=392 |issue=1 |pages=215–229 |doi=10.1051/0004-6361:20020876|arxiv = astro-ph/0206213 }}<br />
{{refend}}<br />
<br />
==外部链接==<br />
* {{cite web |url=http://exoplanet.eu/star.php?st=HD+41004+A |title=HD 41004 A |work=The Extrasolar Planets Encyclopaedia |accessdate=2008-07-21 |archive-date=2008-09-26 |archive-url=https://web.archive.org/web/20080926101156/http://exoplanet.eu/star.php?st=HD+41004+A |dead-url=no }}<br />
* {{cite web |url=http://exoplanet.eu/star.php?st=HD+41004+B |title=HD 41004 B |work=The Extrasolar Planets Encyclopaedia |accessdate=2008-07-21 |archive-date=2008-09-26 |archive-url=https://web.archive.org/web/20080926101202/http://exoplanet.eu/star.php?st=HD+41004+B |dead-url=no }}<br />
* {{cite web |url=http://www.extrasolar.net/planettour.asp?StarCatId=normal&StarId=211 |title=HD 41004 A |work=Extrasolar Visions |accessdate=2008-07-21 |deadurl=yes |archiveurl=https://web.archive.org/web/20110605064920/http://www.extrasolar.net/planettour.asp?StarCatId=normal&StarId=211 |archivedate=2011-06-05 }}<br />
{{Sky|05|59|49.64|-|48|14|22.89|138.6}}<br />
<br />
[[Category:聯星]]<br />
[[Category:棕矮星]]<br />
[[Category:HD和HDE天體|041004]]<br />
[[Category:HIP天體|028393]]<br />
[[Category:K型主序星]]<br />
[[Category:红矮星]]<br />
[[Category:绘架座]]<br />
[[Category:行星系]]</div>
imported>Jimmy-bot