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ROXs 42Bb - 版本历史
2026-07-17T22:32:37Z
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<p><b>新页面</b></p><div>{{Planetbox begin<br />
| name = ROXs 42Bb<br />
}}<br />
{{Planetbox star<br />
| star = [[ROXs 42B]]<br />
| ra= {{RA|16|31|15.0}}<br />
| dec= {{DEC|-24|32|43.7}}<br />
| constell=[[蛇夫座]]<br />
| app_mag = 14.27<br />
| dist_ly = 440 ± 16<br />
| dist_pc = 135 ± 5<br />
| class = M0V<br />
| age=0.002{{±|.008|.0005}} }}<br />
{{Planetbox separation<br />
| separation = 157<br />
| position_angle = 269.25 ± 0.25<br />
| separation_mas = 1169 ± 5<br />
| epoch = 2011 Jun 22<br />
}}<br />
{{Planetbox character<br />
| mass = 9.0{{±|6|3}} <br />
| temperature = 1800-2600<br />
| gravity_earth = 4.0 ± 0.5<br />
| radius = <br />
| density = <br />
}}<br />
{{Planetbox discovery<br />
| discovery_date = 2013<br />
| discoverers = 塞恩·柯里等人<ref name="Currie2013"/><br />
| discovery_method = [[系外行星偵測法#直接影像|直接攝影]]<br />
| discovery_site = [[凱克天文台]]<br>[[甚大望远镜]]<br>[[昴星团望远镜]]<br />
| discovery_status = 已發表論文<ref name="Currie2013"/><br />
}}<br />
{{Planetbox end}}<br />
<br />
'''ROXs 42Bb'''是一個亞恆星天體，並且可能是光譜 M 型聯星成員星 ROXs 42B 的行星質量天體<ref name="Currie2013">{{Cite arxiv |title=Direct Imaging and Spectroscopy of a Candidate Companion Below/Near the Deuterium-Burning Limit In The Young Binary Star System, ROXs 42B |first=Thayne |last=Currie |year=2013 |eprint= 1310.4825 |class=astro-ph.SR }}</ref><ref name="Simon1995">{{Cite journal|first=Michael |last=Simon|journal = The Astrophysical Journal | title=A lunar occultation and direct imaging survey of multiplicity in the Ophiuchus and Taurus star-forming regions|url=https://archive.org/details/sim_astrophysical-journal_1995-04-20_443_2/page/624 |bibcode = 1995ApJ...443..625S|doi = 10.1086/175554|year=1995|author2=A. M.|author3=Ch.|author4=L.|author5=W. P.|author6=R. R.|author7=R. F.|author8=K.|author9=G.|author10=A.|volume=443|pages=625 }}</ref>，還可能位於[[蛇夫座ρ星云复合体]]內。ROXs 42Bb是由[[多倫多大學]]的天文學家[[塞恩·柯里]]（Thayne Currie）等人發現於2013年。<br />
<br />
==概要==<br />
ROXs 42Bb的質量推測取決於母恆星的年齡，大約是木星的6到15倍<ref name="Currie2013" />，類似[[飛馬座V342]]和[[老人增四]]旁直接攝影所發現的[[系外行星]]。但目前仍不了解 ROXs 42Bb 的形成機制是經由行星核吸積、行星盤重力不穩定或者是類似聯星的形成方式。<br />
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==參考資料==<br />
{{reflist}}<br />
<br />
[[Category:2013年發現的系外行星]]<br />
[[Category:直接影像法发现的系外行星]]<br />
[[Category:环联星运转行星]]<br />
[[Category:蛇夫座]]</div>
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