HIP 41378 f

**HIP 41378 f**
发现
发现日期	2016年6月
检测方法	凌日法
轨道参数
半长轴	1.37±0.02 au
轨道周期	542.07975±0.00014
物理特征
平均半径	9.2 ± 0.1 R🜨
质量	12 ± 3 M🜨
平均密度	0.09 ± 0.02 g cm−3
温度	Teq: 294 K（21 °C；70 °F）

HIP 41378 f（也称为EPIC 211311380 f）是一颗围绕F型恒星 HIP 41378的系外行星。它是其系统的最外层行星。对于其大小和温度的行星来说，它的半径异常大（9.2 R_🜨），因此半径实际上可能是一个光学厚环系统的半径^[1]。它位于其母星的适居带内^[2]。没有像2022年那样发现大气特征，进一步强化了不透明环的假设^[3]。

参考资料[编辑]

^ Akinsanmi, B.; Santos, N. C.; Faria, J. P.; Oshagh, M.; Barros, S. C. C.; Santerne, A.; Charnoz, S. Can planetary rings explain the extremely low density of HIP 41378 𝑓?. Astronomy & Astrophysics. 2020-03-01, 635: L8 [2024-05-21]. ISSN 0004-6361. arXiv:2002.11422 . doi:10.1051/0004-6361/202037618 . （原始内容存档于2021-10-28）（英语）.
^ Santerne, A.; Malavolta, L.; Kosiarek, M. R.; Dai, F.; Dressing, C. D.; Dumusque, X.; Hara, N. C.; Lopez, T. A.; Mortier, A.; Vanderburg, A.; Adibekyan, V.; Armstrong, D. J.; Barrado, D.; Barros, S. C. C.; Bayliss, D.; Berardo, D.; Boisse, I.; Bonomo, A. S.; Bouchy, F.; Brown, D. J. A.; Buchhave, L. A.; Butler, R. P.; Collier Cameron, A.; Cosentino, R.; Crane, J. D.; Crossfield, I. J. M.; Damasso, M.; Deleuil, M. R.; Delgado Mena, E.; et al. An extremely low-density and temperate giant exoplanet. 2019. arXiv:1911.07355  [astro-ph.EP].
^ Alam, Munazza K.; Kirk, James; Dressing, Courtney D.; López-Morales, Mercedes; Ohno, Kazumasa; Gao, Peter; Akinsanmi, Babatunde; Santerne, Alexandre; Grouffal, Salomé; Adibekyan, Vardan; Barros, Susana C. C.; Buchhave, Lars A.; Crossfield, Ian J. M.; Dai, Fei; Deleuil, Magali; Giacalone, Steven; Lillo-Box, Jorge; Marley, Mark; Mayo, Andrew W.; Mortier, Annelies; Santos, Nuno C.; Sousa, Sérgio G.; Turtelboom, Emma V.; Wheatley, Peter J.; Vanderburg, Andrew M., The First Near-infrared Transmission Spectrum of HIP 41378 f, A Low-mass Temperate Jovian World in a Multiplanet System, The Astrophysical Journal Letters, 2022, 927 (1): L5, Bibcode:2022ApJ...927L...5A, S2CID 245837282, arXiv:2201.02686 , doi:10.3847/2041-8213/ac559d

这是一篇与太阳系外行星相关的小作品。您可以通过编辑或修订扩充其内容。

[1] Akinsanmi, B.; Santos, N. C.; Faria, J. P.; Oshagh, M.; Barros, S. C. C.; Santerne, A.; Charnoz, S. Can planetary rings explain the extremely low density of HIP 41378 𝑓?. Astronomy & Astrophysics. 2020-03-01, 635: L8 [2024-05-21]. ISSN 0004-6361. arXiv:2002.11422 . doi:10.1051/0004-6361/202037618 . （原始内容存档于2021-10-28）（英语）.

[2] Santerne, A.; Malavolta, L.; Kosiarek, M. R.; Dai, F.; Dressing, C. D.; Dumusque, X.; Hara, N. C.; Lopez, T. A.; Mortier, A.; Vanderburg, A.; Adibekyan, V.; Armstrong, D. J.; Barrado, D.; Barros, S. C. C.; Bayliss, D.; Berardo, D.; Boisse, I.; Bonomo, A. S.; Bouchy, F.; Brown, D. J. A.; Buchhave, L. A.; Butler, R. P.; Collier Cameron, A.; Cosentino, R.; Crane, J. D.; Crossfield, I. J. M.; Damasso, M.; Deleuil, M. R.; Delgado Mena, E.; et al. An extremely low-density and temperate giant exoplanet. 2019. arXiv:1911.07355  [astro-ph.EP].

[3] Alam, Munazza K.; Kirk, James; Dressing, Courtney D.; López-Morales, Mercedes; Ohno, Kazumasa; Gao, Peter; Akinsanmi, Babatunde; Santerne, Alexandre; Grouffal, Salomé; Adibekyan, Vardan; Barros, Susana C. C.; Buchhave, Lars A.; Crossfield, Ian J. M.; Dai, Fei; Deleuil, Magali; Giacalone, Steven; Lillo-Box, Jorge; Marley, Mark; Mayo, Andrew W.; Mortier, Annelies; Santos, Nuno C.; Sousa, Sérgio G.; Turtelboom, Emma V.; Wheatley, Peter J.; Vanderburg, Andrew M., The First Near-infrared Transmission Spectrum of HIP 41378 f, A Low-mass Temperate Jovian World in a Multiplanet System, The Astrophysical Journal Letters, 2022, 927 (1): L5, Bibcode:2022ApJ...927L...5A, S2CID 245837282, arXiv:2201.02686 , doi:10.3847/2041-8213/ac559d 

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