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dc.rights.license | © T. Trifonov et al. 2020 | - |
dc.contributor.author | Trifonov, T. | - |
dc.contributor.author | Lee, M. H. | - |
dc.contributor.author | Kürster, M. | - |
dc.contributor.author | Henning, T. | - |
dc.contributor.author | Grishin, E. | - |
dc.contributor.author | Stock, S. | - |
dc.contributor.author | Tjoa, J. | - |
dc.contributor.author | Caballero, J. A. | - |
dc.contributor.author | Wong, K. H. | - |
dc.contributor.author | Bauer, F. F. | - |
dc.contributor.author | Quirrenbach, A. | - |
dc.contributor.author | Zechmeister, M. | - |
dc.contributor.author | Ribas, I. | - |
dc.contributor.author | Reffert, S. | - |
dc.contributor.author | Reiners, A. | - |
dc.contributor.author | Amado, P. J. | - |
dc.contributor.author | Kossakowski, D. | - |
dc.contributor.author | Azzaro, M. | - |
dc.contributor.author | Béjar, V. J. S. | - |
dc.contributor.author | Cortés Contreras, M. | - |
dc.contributor.author | Dreizler, S. | - |
dc.contributor.author | Hatzes, A. P. | - |
dc.contributor.author | Jeffers, S. V. | - |
dc.contributor.author | Kaminski, A. | - |
dc.contributor.author | Lafarga, M. | - |
dc.contributor.author | Montes, D. | - |
dc.contributor.author | Morales, J. C. | - |
dc.contributor.author | Pavlov, A. | - |
dc.contributor.author | Rodríguez López, C. | - |
dc.contributor.author | Schmitt, H. M. M. | - |
dc.contributor.author | Solano, E. | - |
dc.contributor.author | Barnes, R. | - |
dc.contributor.other | Unidad de Excelencia Científica María de Maeztu Centro de Astrobiología del Instituto Nacional de Técnica Aeroespacial y CSIC, MDM-2017-0737 | - |
dc.contributor.other | Centros de Excelencia Severo Ochoa, INSTITUTO DE ASTROFÍSICA DE CANARIAS (IAC), SEV-2015-0548 | - |
dc.contributor.other | Centros de Excelencia Severo Ochoa, INSTITUTO DE ASTROFISICA DE ANDALUCIA (IAA), SEV-2017-0709 | - |
dc.date.accessioned | 2021-03-24T10:21:25Z | - |
dc.date.available | 2021-03-24T10:21:25Z | - |
dc.date.issued | 2020-06-03 | - |
dc.identifier.citation | Astronomy & Astrophysics 638: A16 (2020) | es |
dc.identifier.issn | 0004-6361 | - |
dc.identifier.other | https://www.aanda.org/articles/aa/full_html/2020/06/aa36987-19/aa36987-19.html | - |
dc.identifier.uri | http://hdl.handle.net/20.500.12666/126 | - |
dc.description | Open Access article, published by EDP Sciences, under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. Open Access funding provided by Max Planck Society. | es |
dc.description.abstract | Context. GJ 1148 is an M-dwarf star hosting a planetary system composed of two Saturn-mass planets in eccentric orbits with periods of 41.38 and 532.02 days. Aims. We reanalyze the orbital configuration and dynamics of the GJ 1148 multi-planetary system based on new precise radial velocity measurements taken with CARMENES. Methods. We combined new and archival precise Doppler measurements from CARMENES with those available from HIRES for GJ 1148 and modeled these data with a self-consistent dynamical model. We studied the orbital dynamics of the system using the secular theory and direct N-body integrations. The prospects of potentially habitable moons around GJ 1148 b were examined. Results. The refined dynamical analyses show that the GJ 1148 system is long-term stable in a large phase-space of orbital parameters with an orbital configuration suggesting apsidal alignment, but not in any particular high-order mean-motion resonant commensurability. GJ 1148 b orbits inside the optimistic habitable zone (HZ). We find only a narrow stability region around the planet where exomoons can exist. However, in this stable region exomoons exhibit quick orbital decay due to tidal interaction with the planet. Conclusions. The GJ 1148 planetary system is a very rare M-dwarf planetary system consisting of a pair of gas giants, the inner of which resides in the HZ. We conclude that habitable exomoons around GJ 1148 b are very unlikely to exist. © 2020 T. Trifonov et al. | es |
dc.description.sponsorship | CARMENES is an instrument for the Centro Astronomico Hispano-Aleman de Calar Alto (CAHA, Almeria, Spain). CARMENES is funded by the German Max-Planck-Gesellschaft (MPG), the Spanish Consejo Superior de Investigaciones Cientificas (CSIC), the European Union through FEDER/ERF FICTS-2011-02 funds, and the members of the CARMENES Consortium (Max-Planck-Institut fur Astronomie, Instituto de Astrofisica de Andalucia, Landessternwarte Konigstuhl, Institut de Ciencies de l'Espai, Insitut fur Astrophysik Gottingen, Universidad Complutense de Madrid, Thuringer Landessternwarte Tautenburg, Instituto de Astrofisica de Canarias, Hamburger Sternwarte, Centro de Astrobiologia and Centro Astronomico Hispano-Aleman), with additional contributions by the Spanish Ministry of Economy, the German Science Foundation (DFG), the Klaus Tschira Stiftung, the states of BadenWurttemberg and Niedersachsen, the DFG Research Unit FOR2544 "Blue Planets around Red Stars, project RE 2694/4-1, and by the Junta de Andalucia. We acknowledge financial support from the Agencia Estatal de Investigacion of the Ministerio de Ciencia, Innovacion y Universidades and the European FEDER/ERF funds through projects AYA2016-79425-C3-1/2/3-P, AYA2015-69350-C3-2-P, ESP2017-87676-C5-2-R, ESP2017-87143-R, and the Centre of Excellence "Severo Ochoa" and "Maria de Maeztu" awards to the Instituto de Astrofisica de Canarias (SEV-2015-0548), Instituto de Astrofisica de Andalucia (SEV-2017-0709), and Centro de Astrobiologia (MDM-2017-0737) This work has made use of data from the European Space Agency (ESA) mission Gaia (https://www.cosmos.esa.int/gaia), processed by the Gaia Data Processing and Analysis Consortium (DPAC, https://www.cosmos.esa.int/web/gaia/dpac/consortium).Funding for the DPAC has been provided by national institutions, in particular the institutions participating in the Gaia Multilateral Agreement. M.H.L. and K.H.W. were supported in part by Hong Kong RGC grant HKU 17305618. R.B. was supported by the NASA Virtual Planetary Laboratory Team through Grant Number 80NSSC18K0829. T.H. acknowledges support from the European Research Council under the Horizon 2020 Framework Program via the ERC Advanced Grant Origins 83 24 28. T.T. thanks Alexandre Correia and Laetitia Rodet for helpful discussions. We thank the anonymous referee for the excellent comments that helped to improve the quality of this paper; With funding from the Spanish government through the "María de Maeztu Unit of Excellence" accreditation (MDM-2017-0737). | es |
dc.language.iso | eng | es |
dc.publisher | EDP Sciences | es |
dc.relation | info:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2013-2016/AYA2016-79425-C3-1-P/ES/EXPLOTACION CIENTIFICA DE CARMENES Y PREPARACION DE LOS PROXIMOS BUSCADORES DE EXOPLANETAS/ | - |
dc.relation | info:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2013-2016/ESP2017-87676-C5-2-R/ES/CONTRIBUCION DE LA UGR A LA MISION ESPACIAL PLATO2.0. FASES B2%2FC%2FD/ | - |
dc.relation | info:eu-repo/grantAgreement/MINECO//AYA2015-69350-C3-2-P/ES/ORIGEN Y EVOLUCION DE LAS ENANAS MARRONES Y PLANETAS GIGANTES/ | - |
dc.relation | info:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2013-2016/ESP2017-87143-R/ES/ESTRUCTURA, PROCESOS Y CLIMA DE LAS ATMOSFERAS DE LA TIERRA Y EXO-PLANETAS/ | - |
dc.relation | info:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2013-2016/AYA2016-79425-C3-2-P/ES/ENANAS MARRONES Y PLANETAS AISLADOS Y COMO COMPAÑEROS DE ESTRELLAS/ | - |
dc.relation | info:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2013-2016/AYA2016-79425-C3-3-P/ES/ENTENDIENDO LA ESTRUCTURA INTERNA, LA EVOLUCION Y LA VARIABILIDAD DE ESTRELLAS DE BAJA MASA CON PLANETAS/ | - |
dc.rights | Attribution-NonCommercial-NoDerivatives 4.0 International | es |
dc.rights.uri | https://creativecommons.org/licenses/by-nc-nd/4.0/ | * |
dc.subject | Planetary systems | es |
dc.subject | Stars: general | es |
dc.subject | Stars: late-type | es |
dc.subject | Planets and satellites: dynamical evolution and stability | es |
dc.subject | Stars: low-mass | es |
dc.title | The CARMENES search for exoplanets around M dwarfs: Dynamical characterization of the multiple planet system GJ 1148 and prospects of habitable exomoons around GJ 1148 b | es |
dc.type | info:eu-repo/semantics/article | es |
dc.contributor.orcid | Trifonov, T. https://orcid.org/0000-0002-0236-775X | - |
dc.identifier.doi | 10.1051/0004-6361/201936987 | - |
dc.identifier.e-issn | 1432-0746 | - |
dc.contributor.funder | Deutsche Forschungsgemeinschaft (DFG) | - |
dc.contributor.funder | Ministerio de Economía y Competitividad (MINECO) | - |
dc.contributor.funder | Junta de Andalucía | - |
dc.contributor.funder | European Research Council (ERC) | - |
dc.contributor.funder | Agencia Estatal de Investigación (AEI) | - |
dc.description.peerreviewed | Peer review | es |
dc.type.hasVersion | info:eu-repo/semantics/publishedVersion | - |
dc.rights.accessRights | info:eu-repo/semantics/openAccess | - |
dc.type.coar | http://purl.org/coar/resource_type/c_6501 | - |
dc.relation.projectID | info:eu-repo/grantAgreement/EC/H2020/832428 | - |
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