Radio signatures of star–planet interactions, exoplanets and space weather

被引：0

作者：

J. R. Callingham ^{[1
]}

B. J. S. Pope ^{[2
]}

R. D. Kavanagh ^{[3
]}

S. Bellotti ^{[4
]}

S. Daley-Yates ^{[1
]}

M. Damasso ^{[2
]}

J.-M. Grießmeier ^{[5
]}

M. Güdel ^{[6
]}

M. Günther ^{[7
]}

M. M. Kao ^{[8
]}

B. Klein ^{[9
]}

S. Mahadevan ^{[10
]}

J. Morin ^{[11
]}

J. D. Nichols ^{[12
]}

R. A. Osten ^{[13
]}

M. Pérez-Torres ^{[14
]}

J. S. Pineda ^{[15
]}

J. Rigney ^{[16
]}

J. Saur ^{[17
]}

G. Stefánsson ^{[18
]}

J. D. Turner ^{[19
]}

H. Vedantham ^{[20
]}

A. A. Vidotto ^{[21
]}

J. Villadsen ^{[22
]}

P. Zarka ^{[23
]}

机构：

[1] Netherlands Institute for Radio Astronomy,ASTRON

[2] Leiden University,Leiden Observatory

[3] University of Queensland,School of Mathematics and Physics

[4] University of Southern Queensland,Centre for Astrophysics

[5] University of St Andrews,School of Physics and Astronomy

[6] INAF Osservatorio Astrofisico di Torino,LPC2E, OSUC

[7] Universitéd’Orléans,Observatoire Radioastronomique de Nançay (ORN)

[8] CNRS,Department of Astrophysics

[9] CNES,European Space Agency (ESA)

[10] Observatoire de Paris,Department of Astronomy & Astrophysics

[11] Observatoire de Paris,Department of Physics

[12] CNRS,Department of Astronomy & Astrophysics

[13] PSL,Center for Exoplanets and Habitable Worlds

[14] Université d’Orléans,LUPM, Université de Montpellier

[15] OSUC,Department of Physics and Astronomy

[16] University of Vienna,Center for Astrophysical Sciences, Department of Physics and Astronomy

[17] European Space Research and Technology Centre (ESTEC),Instituto de Astrofísica de Andalucía (IAA

[18] University of California,CSIC)

[19] Santa Cruz,School of Sciences

[20] Lowell Observatory,Laboratory for Atmospheric and Space Physics

[21] University of Oxford,Astronomy & Astrophysics Section, DIAS Dunsink Observatory

[22] Pennsylvania State University,School of Mathematics and Physics

[23] Pennsylvania State University,Institute of Geophysics and Meteorology

[24] CNRS,Department of Astrophysical Sciences

[25] University of Leicester,Department of Astronomy and Carl Sagan Institute

[26] Space Telescope Science Institute,Kapteyn Astronomical Institute

[27] Johns Hopkins University,Department of Physics & Astronomy

[28] Consejo Superior de Investigaciones Científicas (CSIC),LESIA, Observatoire de Paris

[29] European University Cyprus,undefined

[30] University of Colorado Boulder,undefined

[31] Dublin Institute for Advanced Studies,undefined

[32] Armagh Observatory and Planetarium,undefined

[33] Queen’s University Belfast,undefined

[34] University of Cologne,undefined

[35] Princeton University,undefined

[36] Cornell University,undefined

[37] University of Groningen,undefined

[38] Bucknell University,undefined

[39] Université PSL,undefined

[40] CNRS,undefined

[41] Sorbonne Université,undefined

[42] Université de Paris,undefined

来源：

Nature Astronomy | 2024年 / 8卷 / 11期

关键词：

D O I：

10.1038/s41550-024-02405-6

中图分类号：

学科分类号：

摘要：

Radio detections of stellar systems provide a window onto stellar magnetic activity and the space weather conditions of extrasolar planets — information that is difficult to obtain at other wavelengths. The maturation of low-frequency radio instruments and the plethora of wide-field radio surveys have driven recent advances in observing auroral emissions from radio-bright low-mass stars and exoplanets. To guide us in putting these recent results in context, we introduce the foremost local analogues for the field: solar bursts and the aurorae found on Jupiter. We detail how radio bursts associated with stellar flares are foundational to the study of stellar coronae, and time-resolved radio dynamic spectra offer one of the best prospects for detecting and characterizing coronal mass ejections from other stars. We highlight the possibility of directly detecting coherent radio emission from exoplanetary magnetospheres, as well as early tentative results. We bridge this discussion with the field of brown dwarf radio emission — the larger and stronger magnetospheres of these stars are amenable to detailed study with current instruments. Bright, coherent radio emission is also predicted from magnetic interactions between stars and close-in planets. We discuss the underlying physics of these interactions and the implications of recent provisional detections for exoplanet characterization. We conclude with an overview of outstanding questions in the theory of stellar, star–planet interaction and exoplanet radio emission and the potential of future facilities to answer them.

引用

页码：1359 / 1372

页数：13

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