Global S&T Development Trend Analysis Platform of Resources and Environment
DOI | 10.1126/science.aax3198 |
A giant exoplanet orbiting a very-low-mass star challenges planet formation models | |
Morales, J. C.; Mustill, A. J.13; Ribas, I.2; Davies, M. B.3; Reiners, A.9,13; Bauers, F. F.5; Kossakowski, D.; Herrero, E.; Rodriguez, E.; Lopez-Gonzalez, M. J.; Rodriguez-Lopez, C.; Bejar, V. J. S.; Gonzalez-Cuesta, L.; Luque, R.; Palle, E.1,2,25; Perger, M.1,2; Baroch, D.1,2; Johansen, A.3; Klahr, H.; Mordasini, C.; Anglada-Escude, G.11; Caballero, J. A.; Cortes-Contreras, M.; Dreizler, S.4; Lafarga, M.; Nagel, E.12; Passegger, V. M.12; Reffert, S.; Rosich, A.1,2; Schweitzer, A.8,12; Tal-Or, L.4,14; Trifonov, T.; Zechmeister, M.4; Quirrenbach, A.18; Amado, P. J.; Guenther, E. W.15; Hagen, H. -J.12; Henning, T.; Jeffers, S. V.4; Kaminski, A.; Kuester, M.; Montes, D.15; Seifert, W.12; Abellan, F. J.; Abril, M.; Aceituno, J.; Aceituno, F. J.; Alonso-Floriano, F. J.7,16,20; Ammler-von Eiff, M.15,21; Antona, R.; Arroyo-Torres, B.19; Azzaro, M.19; Barrado, D.; Becerril-Jarque, S.; Benitez, D.19; Berdinas, Z. M.22; Bergond, G.19; Brinkmoller, M.; del Burgo, C.23; Burn, R.; Calvo-Ortega, R.; Cano, J.16; Cardenas, M. C.; Cardona Guillen, C.; Carro, J.16; Casa, E.5; Casanova, V.; Casasayas-Barris, N.; Chaturvedi, P.15; Cifuentes, C.16; Claret, A.5; Colome, J.1; Czesla, S.12; Diez-Alonso, E.16,24; Dorda, R.16; Emsenhuber, A.5; Fernandez, M.; Fernandez-Martin, A.19; Ferro, I. M.; Fuhrmeister, B.12; Galadi-Enriquez, D.19; Gallardo Cava, I.16; Garcia Vargas, M. L.27; Garcia-Piquer, A.1,2; Gesa, L.1,2; Gonzalez-Alvarez, E.28; Gonzalez Hernandez, J. I.; Gonzalez-Peinado, R.16; Guardia, J.1; Guijarro, A.19,45; de Guindos, E.19; Hatzes, A. P.8,10,15; Hauschildt, P. H.12; Hedrosa, R. P.19; Hermelo, I.19; Hernandez Arabi, R.19; Hernandez Otero, F.19; Hintz, D.12; Holgado, G.16; Huber, A.; Huke, P.; Johnson, E. N.; de Juan, E.19; Kehr, M.15; Kemmer, J.; Kim, M.29; Klueter, J.30; Klutsch, A.16,31; Labarga, F.16; Labiche, N.; Lalitha, S.; Lampon, M.; Lara, L. M.5; Launhardt, R.; Lazaro, F. J.35,36,37; Lizon, J. -L.32; Llamas, M.16; Lodieu, N.; Lopez del Fresno, M.; Lopez Salas, . F.19,41; Lopez-Santiago, J.16,33,34; Magan Madinabeitia, H.19; Mall, U.; Mancini, L.35,36,37; Mandel, H.; Marfil, E.9,16; Marin Molina, J. . A.19; Martin, E. L.28; Martin-Fernandez, P.19; Martin-Ruiz, S.; Martinez-Rodriguez, H.16,38; Marvin, C. J.4,13; Mirabet, E.1,2,5; Moya, A.10,26,39,40; Naranjo, V.11; Nelson, R. P.11; Nortmann, L.; Nowak, G.; Ofir, A.6; Pascua, J.; Pavlov, A.10,19; Pedraz, S.; Perez Medialdea, D.27; Perez-Calpena, A.9,42; Perryman, M. A. C.43; Rabaza, O.; Ramon Ballesta, A.8; Rebolo, R.; Redondo, P.; Rix, H. -W.; Rodler, F.44; Rodriguez Trinidad, A.7,10; Sabotta, S.; Sadegi, S.; Salz, M.; Sanchez-Blanco, E.; Sanchez Carrasco, M. A.; Sanchez-Lopez, A.6; Sanz-Forcada, J.5; Sarkis, P.; Sarmiento, L. F.; Schafer, S.; Schlecker, M.; Schmitt, J. H. M. M.; Schofer, P.12; Solano, E.; Sota, A.7; Stahl, O.; Stock, S.; Stuber, T.; Sturmer, J.; Suarez, J. C.46; Tabernero, H. M.47; Tulloch, S. M.4,28; Veredas, G.48; Vico-Linares, J. I.; Vilardell, F.; Wagner, K.46; Winkler, J.47; Wolthoff, V.28; Yan, F.48; Zapatero Osorio, M. R.28 | |
2019-09-27 | |
发表期刊 | SCIENCE
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ISSN | 0036-8075 |
EISSN | 1095-9203 |
出版年 | 2019 |
卷号 | 365期号:6460页码:1441-+ |
文章类型 | Article |
语种 | 英语 |
国家 | Spain; Sweden; Germany; Switzerland; England; Israel; Netherlands; Chile; Mexico; USA; Italy; Denmark; Ireland |
英文摘要 | 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. |
领域 | 地球科学 ; 气候变化 ; 资源环境 |
收录类别 | SCI-E |
WOS记录号 | WOS:000488838600045 |
WOS关键词 | CLOSE ENCOUNTERS ; M4 DWARF ; STELLAR ; EVOLUTION ; VELOCITY ; SYSTEMS ; AGES |
WOS类目 | Multidisciplinary Sciences |
WOS研究方向 | Science & Technology - Other Topics |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://119.78.100.173/C666/handle/2XK7JSWQ/202406 |
专题 | 地球科学 资源环境科学 气候变化 |
作者单位 | 1.Campus Univ Autericima Barcelona, CSIC, Inst Ciencies Espai, E-08293 Bellaterra, Spain; 2.Inst Estudis Espacials Catalunya, E-08034 Barcelona, Spain; 3.Lund Univ, Dept Astron & Theoret Phys, Lund Observ, Box 43, SE-22100 Lund, Sweden; 4.Georg August Univ, Inst Astrophys, D-37077 Gottingen, Germany; 5.CSIC, Inst Astrofis Andalucia, E-18008 Granada, Spain; 6.Max Planc Inst Astronomm, D-69117 Heidelberg, Germany; 7.Inst Astrofis Canarias, E-38205 Tenerife, Spain; 8.Univ La Laguna, Dept Astrofis, E-38206 Tenerife, Spain; 9.Univ Bern, Phys Inst, CH-3012 Bern, Switzerland; 10.Queen Mary Univ London, Sch Phys & Astron, London E1 4NS, England; 11.European Space Agcy, E-28692 Villanueva De La Canada, Spain; 12.Univ Hamburg, Hamburger Sternwarte, D-21029 Hamburg, Germany; 13.Zentrum Astron Univ Heidelberg, D-69117 Heidelberg, Germany; 14.Tel Aviv Univ, Dept Geophys, Raymond & Beverly Sackler Fac Exact Sci, IL-6997801 Tel Aviv, Israel; 15.Thuringer Landesstemwarte Tautenburg, D-07778 Tautenburg, Germany; 16.Univ Complutense Madrid, Dept Fis Tierra & Astrofis, E-28010 Madrid, Spain; 17.Univ Complutense Madrid, Fac Ciencias Fis, Inst Fis Particulas Cosmos, E-28040 Madrid, Spain; 18.Univ Valeticia, Dept Astron & Astrofis, E-46100 Burjassot, Spain; 19.CSIC, E-04550 Almeria, Spain; 20.Leiden Univ, Leiden Observ, NL-2300 RA Leiden, Netherlands; 21.Max Planck Inst Solar Syst Res, D-037077 Gottingen, Germany; 22.Univ Chile, Santiago 1515, Chile; 23.Inst Nacl Astrofis Optra Eiectran, Pueola, Mexico; 24.Univ Oviedo, Escuela Minad Energia & Mat, E-33003 Oviedo, Asturias, Spain; 25.Univ Arizona, Lunar & Planetary Lab, Tucson, AZ 85721 USA; 26.OAN Inst Geog Nacl, E-28803 Alcala De Henares, Spain; 27.FRACTAL SLNE, E-28231 Madrid, Spain; 28.CSIC, Madrid, Spain; 29.Inst Theoret Phys & Astrophys, D-024118 Kiel, Germany; 30.Heidelberg Univ, Astronom Rechen Inst, Zentrum Astron, D-69120 Heidelberg, Germany; 31.Eberhard Karls Univ Tubingen, Inst Astron & Astrophys, D-72076 Tubingen, Germany; 32.European Org Astron Res Southern Hemisphere, D-85748 Garching, Germany; 33.Univ Carlos III Madrid, Dept Signal Theory & Commun, Madrid, Spain; 34.Gregorm Maranon Hlth Res Inst, E-28007 Madrid, Spain; 35.Univ Roma Tor Vergata, Dept Phys, I-00133 Rome, Italy; 36.Ist Nazl Astrofis Osservatorio Astrofis Torino, I-10025 Pino Torinese, Italy; 37.Ist Nazl Astrofis Osservatorio Astrofis, I-10025 Pino Torinese, Italy; 38.Univ Pittsburgh, Astrophys & Cosmol Ctr, Pittsburgh, PA 15260 USA; 39.Univ Birmingham, Sch Phys & Astron, Birmingham B15 2TT, W Midlands, England; 40.Aarhus Univ, Stellar Astrophys Ctr, Dept Phys & Astron, DK-8000 Aarhus, Denmark; 41.Weizmann Inst Sci, Dept Earth & Plarmtary Sci, IL-76100 Rehoyot, Israel; 42.Univ Coll Dublin, Sch Phys, Dublin D14 YH57, Ireland; 43.Univ Granada, Dpto Ingn Civil, E-18071 Granada, Spain; 44.European Southern Observ, Santiago 19001, Spain; 45.Diseno Sistema Opt, E-41008 Seville, Spain; 46.Univ Chicago, Dept Astron & Astrophys, Chicago, IL 60637 USA; 47.Univ Granada, Dept Fis Teor & Cosmos, E-18071 Granada, Spain; 48.Univ Sheffield, Dept Phys & Astron, Sheffield S3 7RM, S Yorkshire, England |
推荐引用方式 GB/T 7714 | Morales, J. C.,Mustill, A. J.,Ribas, I.,et al. A giant exoplanet orbiting a very-low-mass star challenges planet formation models[J]. SCIENCE,2019,365(6460):1441-+. |
APA | Morales, J. C..,Mustill, A. J..,Ribas, I..,Davies, M. B..,Reiners, A..,...&Zapatero Osorio, M. R..(2019).A giant exoplanet orbiting a very-low-mass star challenges planet formation models.SCIENCE,365(6460),1441-+. |
MLA | Morales, J. C.,et al."A giant exoplanet orbiting a very-low-mass star challenges planet formation models".SCIENCE 365.6460(2019):1441-+. |
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