Hot super-Earths stripped by their host stars

M. S. Lundkvist; H. Kjeldsen; S. Albrecht; Guy Davies; S. Basu; D. Huber; A. B. Justesen; C. Karoff; V. Silva Aguirre; V. Van Eylen; C. Vang; T. Arentoft; T. Barclay; T. R. Bedding; T. L. Campante; W. J. Chaplin; J. Christensen-Dalsgaard; Y. P. Elsworth; R. L. Gilliland; R. Handberg; S. Hekker; S. D. Kawaler; M. N. Lund; T. S. Metcalfe; A. Miglio; J. F. Rowe; D. Stello; B. Tingley; T. R. White

doi:10.1038/ncomms11201

Hot super-Earths stripped by their host stars

M. S. Lundkvist, H. Kjeldsen, S. Albrecht, Guy Davies, S. Basu, D. Huber, A. B. Justesen, C. Karoff, V. Silva Aguirre, V. Van Eylen, C. Vang, T. Arentoft, T. Barclay, T. R. Bedding, T. L. Campante, W. J. Chaplin, J. Christensen-Dalsgaard, Y. P. Elsworth, R. L. Gilliland, R. HandbergS. Hekker, S. D. Kawaler, M. N. Lund, T. S. Metcalfe, A. Miglio, J. F. Rowe, D. Stello, B. Tingley, T. R. White

Physics and Astronomy

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Abstract

Simulations predict that hot super-Earth sized exoplanets can have their envelopes stripped by photo-evaporation, which would present itself as a lack of these exoplanets. However, this absence in the exoplanet population has escaped a firm detection. Here we demonstrate, using asteroseismology on a sample of exoplanets and exoplanet candidates observed during the Kepler mission that, while there is an abundance of super-Earth sized exoplanets with low incident fluxes, none are found with high incident fluxes. We do not find any exoplanets with radii between 2.2 and 3.8 Earth radii with incident flux above 650 times the incident flux on Earth. This gap in the population of exoplanets is explained by evaporation of volatile elements and thus supports the predictions. The confirmation of a hot-super-Earth desert caused by evaporation will add an important constraint on simulations of planetary systems, since they must be able to reproduce the dearth of close-in super-Earths.

Original language	English
Article number	11201
Journal	Nature Communications
Volume	7
DOIs	https://doi.org/10.1038/ncomms11201
Publication status	Published - 18 Apr 2016

Bibliographical note

18 pages, 7 figures

Keywords

astro-ph.EP

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10.1038/ncomms11201Licence: Creative Commons: Attribution (CC BY)

1604.05220v1Accepted author manuscript, 2.83 MBLicence: Creative Commons: Attribution (CC BY)
ncomms11201Final published version, 972 KBLicence: Creative Commons: Attribution (CC BY)

Asteroseismology and Helioseismology at Birmingham and Queen Mary
Chaplin, B., Elsworth, Y. & Miglio, A.
SCIENCE & TECHNOLOGY FACILITIES COUNCIL
1/04/15 → 30/09/18
Project: Research Councils

Cite this

Lundkvist, M. S., Kjeldsen, H., Albrecht, S., Davies, G., Basu, S., Huber, D., Justesen, A. B., Karoff, C., Aguirre, V. S., Eylen, V. V., Vang, C., Arentoft, T., Barclay, T., Bedding, T. R., Campante, T. L., Chaplin, W. J., Christensen-Dalsgaard, J., Elsworth, Y. P., Gilliland, R. L., ... White, T. R. (2016). Hot super-Earths stripped by their host stars. Nature Communications, 7, Article 11201. https://doi.org/10.1038/ncomms11201

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Lundkvist, MS, Kjeldsen, H, Albrecht, S, Davies, G, Basu, S, Huber, D, Justesen, AB, Karoff, C, Aguirre, VS, Eylen, VV, Vang, C, Arentoft, T, Barclay, T, Bedding, TR, Campante, TL, Chaplin, WJ, Christensen-Dalsgaard, J, Elsworth, YP, Gilliland, RL, Handberg, R, Hekker, S, Kawaler, SD, Lund, MN, Metcalfe, TS, Miglio, A, Rowe, JF, Stello, D, Tingley, B & White, TR 2016, 'Hot super-Earths stripped by their host stars', Nature Communications, vol. 7, 11201. https://doi.org/10.1038/ncomms11201

TY - JOUR

T1 - Hot super-Earths stripped by their host stars

AU - Lundkvist, M. S.

AU - Kjeldsen, H.

AU - Albrecht, S.

AU - Davies, Guy

AU - Basu, S.

AU - Huber, D.

AU - Justesen, A. B.

AU - Karoff, C.

AU - Aguirre, V. Silva

AU - Eylen, V. Van

AU - Vang, C.

AU - Arentoft, T.

AU - Barclay, T.

AU - Bedding, T. R.

AU - Campante, T. L.

AU - Chaplin, W. J.

AU - Christensen-Dalsgaard, J.

AU - Elsworth, Y. P.

AU - Gilliland, R. L.

AU - Handberg, R.

AU - Hekker, S.

AU - Kawaler, S. D.

AU - Lund, M. N.

AU - Metcalfe, T. S.

AU - Miglio, A.

AU - Rowe, J. F.

AU - Stello, D.

AU - Tingley, B.

AU - White, T. R.

N1 - 18 pages, 7 figures

PY - 2016/4/18

Y1 - 2016/4/18

N2 - Simulations predict that hot super-Earth sized exoplanets can have their envelopes stripped by photo-evaporation, which would present itself as a lack of these exoplanets. However, this absence in the exoplanet population has escaped a firm detection. Here we demonstrate, using asteroseismology on a sample of exoplanets and exoplanet candidates observed during the Kepler mission that, while there is an abundance of super-Earth sized exoplanets with low incident fluxes, none are found with high incident fluxes. We do not find any exoplanets with radii between 2.2 and 3.8 Earth radii with incident flux above 650 times the incident flux on Earth. This gap in the population of exoplanets is explained by evaporation of volatile elements and thus supports the predictions. The confirmation of a hot-super-Earth desert caused by evaporation will add an important constraint on simulations of planetary systems, since they must be able to reproduce the dearth of close-in super-Earths.

AB - Simulations predict that hot super-Earth sized exoplanets can have their envelopes stripped by photo-evaporation, which would present itself as a lack of these exoplanets. However, this absence in the exoplanet population has escaped a firm detection. Here we demonstrate, using asteroseismology on a sample of exoplanets and exoplanet candidates observed during the Kepler mission that, while there is an abundance of super-Earth sized exoplanets with low incident fluxes, none are found with high incident fluxes. We do not find any exoplanets with radii between 2.2 and 3.8 Earth radii with incident flux above 650 times the incident flux on Earth. This gap in the population of exoplanets is explained by evaporation of volatile elements and thus supports the predictions. The confirmation of a hot-super-Earth desert caused by evaporation will add an important constraint on simulations of planetary systems, since they must be able to reproduce the dearth of close-in super-Earths.

KW - astro-ph.EP

U2 - 10.1038/ncomms11201

DO - 10.1038/ncomms11201

M3 - Article

SN - 2041-1723

VL - 7

JO - Nature Communications

JF - Nature Communications

M1 - 11201

ER -

Hot super-Earths stripped by their host stars

Abstract

Bibliographical note

Keywords

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Projects

Asteroseismology and Helioseismology at Birmingham and Queen Mary

Cite this