A giant exoplanet orbiting a very-low-mass star challenges planet formation models

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MARC

Morales, J. C.Autonomous University of Barcelona (author)

A giant exoplanet orbiting a very-low-mass star challenges planet formation models

Article/chapterEnglish2019

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American Association for the Advancement of Science (AAAS),2019
5 s.

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LIBRIS-ID:oai:lup.lub.lu.se:1629e13a-daf9-453b-bd99-2b8b18cbff36
https://lup.lub.lu.se/record/1629e13a-daf9-453b-bd99-2b8b18cbff36URI
https://doi.org/10.1126/science.aax3198DOI

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Language:English
Summary in:English

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SwePubSwePub

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Subject category:art swepub-publicationtype
Subject category:ref swepub-contenttype

Notes

Surveys have shown that super-Earth and Neptune-mass exoplanets are more frequent than gas giants around low-mass stars, as predicted by the core accretion theory of planet formation. We report the discovery of a giant planet around the very-low-mass star GJ 3512, as determined by optical and near-infrared radial-velocity observations. The planet has a minimum mass of 0.46 Jupiter masses, very high for such a small host star, and an eccentric 204-day orbit. Dynamical models show that the high eccentricity is most likely due to planet-planet interactions. We use simulations to demonstrate that the GJ 3512 planetary system challenges generally accepted formation theories, and that it puts constraints on the planet accretion and migration rates. Disk instabilities may be more efficient in forming planets than previously thought.

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Mustill, A. J.Lund University,Lunds universitet,Astronomi - Genomgår omorganisation,Institutionen för astronomi och teoretisk fysik - Genomgår omorganisation,Naturvetenskapliga fakulteten,Lund Observatory - Undergoing reorganization,Department of Astronomy and Theoretical Physics - Undergoing reorganization,Faculty of Science(Swepub:lu)astr-amu (author)
Ribas, I. (author)
Davies, M. B.Lund University,Lunds universitet,Astronomi - Genomgår omorganisation,Institutionen för astronomi och teoretisk fysik - Genomgår omorganisation,Naturvetenskapliga fakulteten,Lund Observatory - Undergoing reorganization,Department of Astronomy and Theoretical Physics - Undergoing reorganization,Faculty of Science(Swepub:lu)astr-mda (author)
Reiners, A. (author)
Bauer, F. F. (author)
Kossakowski, D. (author)
Herrero, E. (author)
Rodriguez, E. (author)
López-González, M. J. (author)
Rodriguez-López, C. (author)
Béjar, V. J. S. (author)
González-Cuesta, L. (author)
Luque, R. (author)
Pallé, E. (author)
Perger, M. (author)
Baroch, D. (author)
Johansen, A.Lund University,Lunds universitet,Astronomi - Genomgår omorganisation,Institutionen för astronomi och teoretisk fysik - Genomgår omorganisation,Naturvetenskapliga fakulteten,Lund Observatory - Undergoing reorganization,Department of Astronomy and Theoretical Physics - Undergoing reorganization,Faculty of Science(Swepub:lu)astr-arj (author)
Klahr, H. (author)
Mordasini, C. (author)
Anglada-Escudé, G. (author)
Caballero, J. A. (author)
Cortés-Contreras, M. (author)
Dreizler, S. (author)
Lafarga, M. (author)
Nagel, E. (author)
Passegger, V. M. (author)
Reffert, S. (author)
Rosich, A. (author)
Schweitzer, A. (author)
Tal-Or, L. (author)
Trifonov, T. (author)
Zechmeister, M. (author)
Quirrenbach, A. (author)
Amado, P. J. (author)
Guenther, E. W. (author)
Hagen, H.-J. (author)
Henning, T. (author)
Jeffers, S. V. (author)
Kaminski, A. (author)
Kürster, M. (author)
Montes, D. (author)
Seifert, W. (author)
Abellán, F. J. (author)
Abril, M. (author)
Aceituno, J. (author)
Aceituno, F. J. (author)
Alonso-Floriano, F. J. (author)
Ammler-von Eiff, M. (author)
Antona, R. (author)
Arroyo-Torres, B. (author)
Azzaro, M. (author)
Barrado, D. (author)
Becerril-Jarque, S. (author)
Benitez, D. (author)
Berdiñas, Z. M. (author)
Bergond, G. (author)
Brinkmöller, M. (author)
del Burgo, C. (author)
Burn, R. (author)
Calvo-Ortega, R. (author)
Cano, J. (author)
Cárdenas, M. C. (author)
Guillén, C. Cardona (author)
Carro, J. (author)
Casal, E. (author)
Casanova, V. (author)
Casasayas-Barris, N. (author)
Chaturvedi, P. (author)
Cifuentes, C. (author)
Claret, A. (author)
Colomé, J. (author)
Czesla, S. (author)
Diez-Alonso, E. (author)
Dorda, R. (author)
Emsenhuber, A. (author)
Fernández, M. (author)
Fernández-Martin, A. (author)
Ferro, I. M. (author)
Fuhrmeister, B. (author)
Galadi-Enriquez, D. (author)
Cava, I. Gallardo (author)
Vargas, M. L. Garcia (author)
Garcia-Piquer, A. (author)
Gesa, L. (author)
González-Álvarez, E. (author)
Hernández, J. I. González (author)
González-Peinado, R. (author)
Guàrdia, J. (author)
Guijarro, A. (author)
de Guindos, E. (author)
Hatzes, A. P. (author)
Hauschildt, P. H. (author)
Hedrosa, R. P. (author)
Hermelo, I. (author)
Arabi, R. Hernández (author)
Otero, F. Hernández (author)
Hintz, D. (author)
Holgado, G. (author)
Huber, A. (author)
Huke, P. (author)
Johnson, E. N. (author)
de Juan, E. (author)
Kehr, M. (author)
Kemmer, J. (author)
Kim, M. (author)
Klüter, J. (author)
Klutsch, A. (author)
Labarga, F. (author)
Labiche, N. (author)
Lalitha, S. (author)
Lampón, M. (author)
Lara, L. M. (author)
Launhardt, R. (author)
Lázaro, F. J. (author)
Lizon, J.-L. (author)
Llamas, M. (author)
Lodieu, N. (author)
López del Fresno, M. (author)
Salas, J. F. López (author)
López-Santiago, J. (author)
Madinabeitia, H. Magán (author)
Mall, U. (author)
Mancini, L. (author)
Mandel, H. (author)
Marfil, E. (author)
Molina, J. A. Marin (author)
Martin, E. L. (author)
Martin-Fernández, P. (author)
Martin-Ruiz, S. (author)
Martinez-Rodriguez, H. (author)
Marvin, C. J. (author)
Mirabet, E. (author)
Moya, A. (author)
Naranjo, V. (author)
Nelson, R. P. (author)
Nortmann, L. (author)
Nowak, G. (author)
Ofir, A. (author)
Pascual, J. (author)
Pavlov, A. (author)
Pedraz, S. (author)
Medialdea, D. Pérez (author)
Pérez-Calpena, A. (author)
Perryman, M. A. C. (author)
Rabaza, O. (author)
Ballesta, A. Ramón (author)
Rebolo, R. (author)
Redondo, P. (author)
Rix, H.-W. (author)
Rodler, F. (author)
Trinidad, A. Rodriguez (author)
Sabotta, S. (author)
Sadegi, S. (author)
Salz, M. (author)
Sánchez-Blanco, E. (author)
Carrasco, M. A. Sánchez (author)
Sánchez-López, A. (author)
Sanz-Forcada, J. (author)
Sarkis, P. (author)
Sarmiento, L. F. (author)
Schäfer, S. (author)
Schlecker, M. (author)
Schmitt, J. H. M. M. (author)
Schöfer, P. (author)
Solano, E. (author)
Sota, A. (author)
Stahl, O. (author)
Stock, S. (author)
Stuber, T. (author)
Stürmer, J. (author)
Suárez, J. C. (author)
Tabernero, H. M. (author)
Tulloch, S. M. (author)
Veredas, G. (author)
Vico-Linares, J. I. (author)
Vilardell, F. (author)
Wagner, K. (author)
Winkler, J. (author)
Wolthoff, V. (author)
Yan, F. (author)
Osorio, M. R. ZapateroCSIC Centro de Astrobiologia (INTA) (author)
Autonomous University of BarcelonaAstronomi - Genomgår omorganisation (creator_code:org_t)

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In:Science: American Association for the Advancement of Science (AAAS)365:6460, s. 1441-14450036-80751095-9203

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By the author/editor: Morales, J. C.; Mustill, A. J.; Ribas, I.; Davies, M. B.; Reiners, A.; Bauer, F. F.; show more...; Kossakowski, D.; Herrero, E.; Rodriguez, E.; López-González, ...; Rodriguez-López, ...; Béjar, V. J. S.; González-Cuesta, ...; Luque, R.; Pallé, E.; Perger, M.; Baroch, D.; Johansen, A.; Klahr, H.; Mordasini, C.; Anglada-Escudé, ...; Caballero, J. A.; Cortés-Contreras ...; Dreizler, S.; Lafarga, M.; Nagel, E.; Passegger, V. M.; Reffert, S.; Rosich, A.; Schweitzer, A.; Tal-Or, L.; Trifonov, T.; Zechmeister, M.; Quirrenbach, A.; Amado, P. J.; Guenther, E. W.; Hagen, H.-J.; Henning, T.; Jeffers, S. V.; Kaminski, A.; Kürster, M.; Montes, D.; Seifert, W.; Abellán, F. J.; Abril, M.; Aceituno, J.; Aceituno, F. J.; Alonso-Floriano, ...; Ammler-von Eiff, ...; Antona, R.; Arroyo-Torres, B ...; Azzaro, M.; Barrado, D.; Becerril-Jarque, ...; Benitez, D.; Berdiñas, Z. M.; Bergond, G.; Brinkmöller, M.; del Burgo, C.; Burn, R.; Calvo-Ortega, R.; Cano, J.; Cárdenas, M. C.; Guillén, C. Card ...; Carro, J.; Casal, E.; Casanova, V.; Casasayas-Barris ...; Chaturvedi, P.; Cifuentes, C.; Claret, A.; Colomé, J.; Czesla, S.; Diez-Alonso, E.; Dorda, R.; Emsenhuber, A.; Fernández, M.; Fernández-Martin ...; Ferro, I. M.; Fuhrmeister, B.; Galadi-Enriquez, ...; Cava, I. Gallard ...; Vargas, M. L. Ga ...; Garcia-Piquer, A ...; Gesa, L.; González-Álvarez ...; Hernández, J. I. ...; González-Peinado ...; Guàrdia, J.; Guijarro, A.; de Guindos, E.; Hatzes, A. P.; Hauschildt, P. H ...; Hedrosa, R. P.; Hermelo, I.; Arabi, R. Hernán ...; Otero, F. Hernán ...; Hintz, D.; Holgado, G.; Huber, A.; Huke, P.; Johnson, E. N.; de Juan, E.; Kehr, M.; Kemmer, J.; Kim, M.; Klüter, J.; Klutsch, A.; Labarga, F.; Labiche, N.; Lalitha, S.; Lampón, M.; Lara, L. M.; Launhardt, R.; Lázaro, F. J.; Lizon, J.-L.; Llamas, M.; Lodieu, N.; López del Fresno ...; Salas, J. F. Lóp ...; López-Santiago, ...; Madinabeitia, H. ...; Mall, U.; Mancini, L.; Mandel, H.; Marfil, E.; Molina, J. A. Ma ...; Martin, E. L.; Martin-Fernández ...; Martin-Ruiz, S.; Martinez-Rodrigu ...; Marvin, C. J.; Mirabet, E.; Moya, A.; Naranjo, V.; Nelson, R. P.; Nortmann, L.; Nowak, G.; Ofir, A.; Pascual, J.; Pavlov, A.; Pedraz, S.; Medialdea, D. Pé ...; Pérez-Calpena, A ...; Perryman, M. A. ...; Rabaza, O.; Ballesta, A. Ram ...; Rebolo, R.; Redondo, P.; Rix, H.-W.; Rodler, F.; Trinidad, A. Rod ...; Sabotta, S.; Sadegi, S.; Salz, M.; Sánchez-Blanco, ...; Carrasco, M. A. ...; Sánchez-López, A ...; Sanz-Forcada, J.; Sarkis, P.; Sarmiento, L. F.; Schäfer, S.; Schlecker, M.; Schmitt, J. H. M ...; Schöfer, P.; Solano, E.; Sota, A.; Stahl, O.; Stock, S.; Stuber, T.; Stürmer, J.; Suárez, J. C.; Tabernero, H. M.; Tulloch, S. M.; Veredas, G.; Vico-Linares, J. ...; Vilardell, F.; Wagner, K.; Winkler, J.; Wolthoff, V.; Yan, F.; Osorio, M. R. Za ...; show less...

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