Sökning: WFRF:(Casanova Salas I) > A giant exoplanet o...
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000 | 09849naa a2202485 4500 | |
001 | oai:lup.lub.lu.se:1629e13a-daf9-453b-bd99-2b8b18cbff36 | |
003 | SwePub | |
008 | 191007s2019 | |||||||||||000 ||eng| | |
024 | 7 | a https://lup.lub.lu.se/record/1629e13a-daf9-453b-bd99-2b8b18cbff362 URI |
024 | 7 | a https://doi.org/10.1126/science.aax31982 DOI |
040 | a (SwePub)lu | |
041 | a engb eng | |
042 | 9 SwePub | |
072 | 7 | a art2 swepub-publicationtype |
072 | 7 | a ref2 swepub-contenttype |
100 | 1 | a Morales, J. C.u Autonomous University of Barcelona4 aut |
245 | 1 0 | a A giant exoplanet orbiting a very-low-mass star challenges planet formation models |
264 | 1 | b American Association for the Advancement of Science (AAAS),c 2019 |
300 | a 5 s. | |
520 | a 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. | |
650 | 7 | a NATURVETENSKAPx Fysikx Astronomi, astrofysik och kosmologi0 (SwePub)103052 hsv//swe |
650 | 7 | a NATURAL SCIENCESx Physical Sciencesx Astronomy, Astrophysics and Cosmology0 (SwePub)103052 hsv//eng |
700 | 1 | a Mustill, A. J.u 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 Science4 aut0 (Swepub:lu)astr-amu |
700 | 1 | a Ribas, I.4 aut |
700 | 1 | a Davies, M. B.u 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 Science4 aut0 (Swepub:lu)astr-mda |
700 | 1 | a Reiners, A.4 aut |
700 | 1 | a Bauer, F. F.4 aut |
700 | 1 | a Kossakowski, D.4 aut |
700 | 1 | a Herrero, E.4 aut |
700 | 1 | a Rodriguez, E.4 aut |
700 | 1 | a López-González, M. J.4 aut |
700 | 1 | a Rodriguez-López, C.4 aut |
700 | 1 | a Béjar, V. J. S.4 aut |
700 | 1 | a González-Cuesta, L.4 aut |
700 | 1 | a Luque, R.4 aut |
700 | 1 | a Pallé, E.4 aut |
700 | 1 | a Perger, M.4 aut |
700 | 1 | a Baroch, D.4 aut |
700 | 1 | a Johansen, A.u 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 Science4 aut0 (Swepub:lu)astr-arj |
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710 | 2 | a Autonomous University of Barcelonab Astronomi - Genomgår omorganisation4 org |
773 | 0 | t Scienced : American Association for the Advancement of Science (AAAS)g 365:6460, s. 1441-1445q 365:6460<1441-1445x 0036-8075x 1095-9203 |
856 | 4 | u https://arxiv.org/abs/1909.12174x freey FULLTEXT |
856 | 4 | u http://dx.doi.org/10.1126/science.aax3198y FULLTEXT |
856 | 4 | u http://arxiv.org/pdf/1909.12174 |
856 | 4 8 | u https://lup.lub.lu.se/record/1629e13a-daf9-453b-bd99-2b8b18cbff36 |
856 | 4 8 | u https://doi.org/10.1126/science.aax3198 |
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