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TOI-2379 b and TOI-2384 b: two super-Jupiter mass planets transiting low-mass host stars
| Indexado |
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| DOI | 10.1093/MNRAS/STAE2034 | ||||
| Año | 2024 | ||||
| Tipo | artículo de investigación |
Citas Totales
Autores Afiliación Chile
Instituciones Chile
% Participación
Internacional
Autores
Afiliación Extranjera
Instituciones
Extranjeras
Abstract
Short-period gas giant planets have been shown to be significantly rarer for host stars less massive than the Sun. We report the discovery of two transiting giant planets - TOI-2379 b and TOI-2384 b - with low-mass (early M) host stars. Both planets were detected using Transiting Exoplanet Survey Satellite photometry and for both the transit signal was validated using ground-based photometric facilities. We confirm the planetary nature of these companions and measure their masses using radial velocity observations. We find that TOI-2379 b has an orbital period of 5.469 d and a mass and radius of 5.76 +/- 0.20 MJ and 1.046 +/- 0.023 RJ and TOI-2384 b has an orbital period of 2.136 d and a mass and radius of 1.966 +/- 0.059 MJ and 1.025 +/- 0.021 RJ. TOI-2379 b and TOI-2384 b have the highest and third highest planet-to-star mass ratios, respectively, out of all transiting exoplanets with a low-mass host star, placing them uniquely among the population of known exoplanets and making them highly important pieces of the puzzle for understanding the extremes of giant planet formation
| Ord. | Autor | Género | Institución - País |
|---|---|---|---|
| 1 | Bryant, E. M. | Hombre |
Univ Coll London - Reino Unido
UCL Mullard Space Science Laboratory - Reino Unido |
| 2 | Bayliss, Dan | Hombre |
Univ Warwick - Reino Unido
Faculty of Science, Engineering and Medicine - Reino Unido University of Warwick - Reino Unido |
| 3 | Hartman, Joel D. | Hombre |
Princeton Univ - Estados Unidos
Princeton University - Estados Unidos |
| 4 | Sedaghati, Elyar | - |
Observatorio Europeo Austral - Chile
European Southern Observatory Santiago - Chile |
| 5 | Hobson, M. | Mujer |
Max Planck Inst Astron - Alemania
Instituto Milenio de Astrofísica - Chile Max Planck Institute for Astronomy - Alemania |
| 6 | JORDAN-COLZANI, ANDRES CRISTOBAL | Hombre |
Instituto Milenio de Astrofísica - Chile
Universidad Adolfo Ibáñez - Chile Data Observ Fdn - Chile Data Observatory Foundation - Chile |
| 7 | BRAHM-SCOTT, RAFAEL ANDRES | Hombre |
Instituto Milenio de Astrofísica - Chile
Universidad Adolfo Ibáñez - Chile Data Observ Fdn - Chile Data Observatory Foundation - Chile |
| 8 | Bakos, Gaspar | Hombre |
Princeton Univ - Estados Unidos
Princeton University - Estados Unidos |
| 9 | Almenara, Jose-Manuel | Hombre |
Univ Grenoble Alpes - Francia
Univ Geneva - Suiza Institut de Planétologie et d’Astrophysique de Grenoble (IPAG) - Francia Faculty of Science - Suiza |
| 10 | Barkaoui, K. | Hombre |
Univ Liege - Bélgica
MIT - Estados Unidos Inst Astrofis Canarias IAC - España Universite de Liege - Bélgica Massachusetts Institute of Technology - Estados Unidos Instituto Astrofisico de Canarias - España |
| 11 | Bonfils, Xavier | Hombre |
Univ Grenoble Alpes - Francia
Institut de Planétologie et d’Astrophysique de Grenoble (IPAG) - Francia |
| 12 | Cointepas, Marion | Mujer |
Univ Grenoble Alpes - Francia
Univ Geneva - Suiza Institut de Planétologie et d’Astrophysique de Grenoble (IPAG) - Francia Faculty of Science - Suiza |
| 13 | Pearce, Logan | Hombre |
Ctr Astrophys Harvard & Smithsonian - Estados Unidos
Harvard-Smithsonian Center for Astrophysics - Estados Unidos |
| 14 | Dransfield, Georgina | Mujer |
Univ Birmingham - Reino Unido
University of Birmingham - Reino Unido |
| 15 | Evans, Phil | Hombre |
Sauce Observ - Chile
Observatorio El Sauce - Chile |
| 16 | Gillon, Michael | Hombre |
Univ Liege - Bélgica
Universite de Liege - Bélgica |
| 17 | Jehin, Emmanuel | Hombre |
Univ Liege - Bélgica
Universite de Liege - Bélgica |
| 18 | Murgas, Felipe | Hombre |
Inst Astrofis Canarias IAC - España
Univ Laguna ULL - España Instituto Astrofisico de Canarias - España Universidad de La Laguna - España |
| 19 | Pozuelos, F. | Hombre |
Univ Liege - Bélgica
Inst Astrofis Andalucia IAA CSIC - España Universite de Liege - Bélgica CSIC - Instituto de Astrofísica de Andalucía (IAA) - España |
| 20 | Schwarz, Richard P. | Hombre |
Ctr Astrophys Harvard & Smithsonian - Estados Unidos
Harvard-Smithsonian Center for Astrophysics - Estados Unidos |
| 21 | Timmermans, Mathilde | Mujer |
Universite de Liege - Bélgica
|
| 22 | Watkins, Cristilyn N. | - |
Ctr Astrophys Harvard & Smithsonian - Estados Unidos
Harvard-Smithsonian Center for Astrophysics - Estados Unidos |
| 23 | Wuensche, Anael | - |
Observ Baronnies Provencales OBP - Francia
Laboratoire d'Astr Ophysique des Bar Onnies-Science Citoyenne et Actions Pour la Nuit (LABSCAN) - Francia |
| 24 | Asquier, J. | Hombre |
Carnegie Inst Sci - Estados Unidos
Carnegie Institution of Washington - Estados Unidos |
| 25 | Crane, J. D. | Hombre |
Observ Carnegie Inst Sci - Estados Unidos
Carnegie Observatories - Estados Unidos |
| 26 | Shectman, S. A. | Hombre |
Observ Carnegie Inst Sci - Estados Unidos
Carnegie Observatories - Estados Unidos |
| 27 | Teske, J. | Mujer |
Carnegie Inst Sci - Estados Unidos
Carnegie Institution of Washington - Estados Unidos |
| 28 | Charbonneau, David | Hombre |
Ctr Astrophys Harvard & Smithsonian - Estados Unidos
Harvard-Smithsonian Center for Astrophysics - Estados Unidos |
| 29 | Essack, Zahra | Mujer |
UNIV NEW MEXICO - Estados Unidos
The University of New Mexico - Estados Unidos |
| 30 | JENKINS, JAMES STEWART | Hombre |
NASA Ames Res Ctr - Estados Unidos
NASA Ames Research Center - Estados Unidos |
| 31 | Lewis, Hannah M. | Mujer |
Space Telescope Sci Inst - Estados Unidos
Space Telescope Science Institute - Estados Unidos |
| 32 | Seager, Sara | - |
MIT - Estados Unidos
Massachusetts Institute of Technology - Estados Unidos MIT Kavli Institute for Astrophysics and Space Research - Estados Unidos MIT School of Engineering - Estados Unidos |
| 33 | Ting, Eric B. | Hombre |
NASA Ames Res Ctr - Estados Unidos
NASA Ames Research Center - Estados Unidos |
| 34 | Hart, R. | Hombre |
Princeton Univ - Estados Unidos
Princeton University - Estados Unidos |
| Fuente |
|---|
| Australian Research Council |
| NSF |
| European Research Council |
| NASA |
| STFC |
| Science and Technology Facilities Council |
| National Aeronautics and Space Administration |
| NASA High-End Computing (HEC) Program through the NASA Advanced Supercomputing (NAS) Division at Ames Research Center |
| NASA Explorer Program |
| Ames Research Center |
| ARC |
| Space Telescope Science Institute |
| National Aeronautics and Space Administration under the Exoplanet Exploration Program |
| NASA's Science Mission directorate |
| Belgian Fund for Scientific Research (Fond National de la Recherche Scientifique, FNRS) |
| California Institute of Technology |
| Wallonia-Brussels Federation |
| Massachusetts Institute of Technology |
| Fonds De La Recherche Scientifique - FNRS |
| European Research Council under the ERC |
| MIT |
| Fonds pour la Formation à la Recherche dans l’Industrie et dans l’Agriculture |
| Fédération Wallonie-Bruxelles |
| NASA XRP grant |
| Neurosciences Foundation |
| NOIRLab |
| Science Mission Directorate |
| MCIN/AEI |
| NOIRLab through the Mid-Scale Innovations Program (MSIP) |
| Belgian Fund for Scientific Research |
| Francqui Foundation |
| MSIP |
| F.R.S.-FNRS grant |
| French Community of Belgium in the context of the FRIA Doctoral Grant awarded |
| Agradecimiento |
|---|
| The contributions at the Mullard Space Science Laboratory by EMB have been supported by STFC through the consolidated grant ST/W001136/1. The post-doctoral fellowship of KB is funded by F.R.S.-FNRS grant T.0109.20 and by the Francqui Foundation. FJP acknowledges financial support from the grant CEX2021-001131-S funded by MCIN/AEI/10.13039/501100011033 and through projects PID2019-109522GB-C52 and PID2022-137241NB-C43. JDH and GAB acknowledge funding from NASA XRP grant 80NSSC22K0315. This publication benefits from the support of the French Community of Belgium in the context of the FRIA Doctoral Grant awarded to MT.The research leading to these results has received funding from the ARC grant for Concerted Research Actions, financed by the Wallonia-Brussels Federation. TRAPPIST is funded by the Belgian Fund for Scientific Research (Fond National de la Recherche Scientifique, FNRS) under the grant PDR T.0120.21. MG is F.R.S.-FNRS Research Director and EJ is F.R.S.-FNRS Senior Research Associate. Observations were carried out from ESO La Silla Observatory.Funding for the TESS mission is provided by NASA's Science Mission Directorate. KAC and CNW acknowledge support from the TESS mission via subaward s3449 from MIT. This paper used data collected by the TESS mission, obtained from the Mikulski Archive for Space Telescopes MAST data archive at the Space Telescope Science Institute (STScI). Funding for the TESS mission is provided by the NASA Explorer Program. STScI is operated by the Association of Universities for Research in Astronomy, Inc., under NASA contract NAS 5-26555. We acknowledge the use of public TESS data from pipelines at the TESS Science Office and at the TESS Science Processing Operations Center. Resources supporting this work were provided by the NASA High-End Computing (HEC) Program through the NASA Advanced Supercomputing (NAS) Division at Ames Research Center for the production of the SPOC data products.We acknowledge funding from the European Research Council under the ERC grant agreement no. 337591-ExTrA. This work uses observations from the LCOGT network. Part of the LCOGT telescope time was granted by NOIRLab through the Mid-Scale Innovations Program (MSIP). MSIP is funded by NSF. This research has used the Exoplanet Followup Observation Program (ExoFOP; DOI: 10.26134/ExoFOP5) website, which is operated by the California Institute of Technology, under contract with the National Aeronautics and Space Administration under the Exoplanet Exploration Program.This paper includes data gathered with the 6.5 m Magellan Telescopes located at Las Campanas Observatory, Chile. |
| The contributions at the Mullard Space Science Laboratory by EMB have been supported by STFC through the consolidated grant ST/W001136/1. The post-doctoral fellowship of KB is funded by F.R.S.-FNRS grant T.0109.20 and by the Francqui Foundation. FJP acknowledges financial support from the grant CEX2021-001131-S funded by MCIN/AEI/10.13039/501100011033 and through projects PID2019-109522GB-C52 and PID2022-137241NB-C43. JDH and GAB acknowledge funding from NASA XRP grant 80NSSC22K0315. This publication benefits from the support of the French Community of Belgium in the context of the FRIA Doctoral Grant awarded to MT. |
| The contributions at the Mullard Space Science Laboratory by EMB have been supported by STFC through the consolidated grant ST/W001136/1. The post-doctoral fellowship of KB is funded by F.R.S.-FNRS grant T.0109.20 and by the Francqui Foundation. FJP acknowledges financial support from the grant CEX2021-001131-S funded by MCIN/AEI/10.13039/501100011033 and through projects PID2019-109522GB-C52 and PID2022-137241NB-C43. JDH and GAB acknowledge funding from NASA XRP grant 80NSSC22K0315. This publication benefits from the support of the French Community of Belgium in the context of the FRIA Doctoral Grant awarded to MT. The research leading to these results has received funding from the ARC grant for Concerted Research Actions, financed by the Wallonia-Brussels Federation. TRAPPIST is funded by the Belgian Fund for Scientific Research (Fond National de la Recherche Scientifique, FNRS) under the grant PDR T.0120.21. MG is F.R.S.-FNRS Research Director and EJ is F.R.S.-FNRS Senior Research Associate. Observations were carried out from ESO La Silla Observatory. Funding for the TESS mission is provided by NASA\u2019s Science Mission Directorate. KAC and CNW acknowledge support from the TESS mission via subaward s3449 from MIT. This paper used data collected by the TESS mission, obtained from the Mikulski Archive for Space Telescopes MAST data archive at the Space Telescope Science Institute (STScI). Funding for the TESS mission is provided by the NASA Explorer Program. STScI is operated by the Association of Universities for Research in Astronomy, Inc., under NASA contract NAS 5\u201326555. We acknowledge the use of public TESS data from pipelines at the TESS Science Office and at the TESS Science Processing Operations Center. Resources supporting this work were provided by the NASA High-End Computing (HEC) Program through the NASA Advanced Supercomputing (NAS) Division at Ames Research Center for the production of the SPOC data products. We acknowledge funding from the European Research Council under the ERC grant agreement no. 337591-ExTrA. This work uses observations from the LCOGT network. Part of the LCOGT telescope time was granted by NOIRLab through the Mid-Scale Innovations Program (MSIP). MSIP is funded by NSF. This research has used the Exoplanet Follow-up Observation Program (ExoFOP; DOI: 10.26134/ExoFOP5) website, which is operated by the California Institute of Technology, under contract with the National Aeronautics and Space Administration under the Exoplanet Exploration Program. |
| Funding for the TESS mission is provided by NASA\u2019s Science Mission Directorate. KAC and CNW acknowledge support from the TESS mission via subaward s3449 from MIT. This paper used data collected by the TESS mission, obtained from the Mikulski Archive for Space Telescopes MAST data archive at the Space Telescope Science Institute (STScI). Funding for the TESS mission is provided by the NASA Explorer Program. STScI is operated by the Association of Universities for Research in Astronomy, Inc., under NASA contract NAS 5\u201326555. We acknowledge the use of public TESS data from pipelines at the TESS Science Office and at the TESS Science Processing Operations Center. Resources supporting this work were provided by the NASA High-End Computing (HEC) Program through the NASA Advanced Supercomputing (NAS) Division at Ames Research Center for the production of the SPOC data products. |
| We acknowledge funding from the European Research Council under the ERC grant agreement no. 337591-ExTrA. This work uses observations from the LCOGT network. Part of the LCOGT telescope time was granted by NOIRLab through the Mid-Scale Innovations Program (MSIP). MSIP is funded by NSF. This research has used the Exoplanet Follow-up Observation Program (ExoFOP; DOI: 10.26134/ExoFOP5) website, which is operated by the California Institute of Technology, under contract with the National Aeronautics and Space Administration under the Exoplanet Exploration Program. |
| The contributions at the Mullard Space Science Laboratory by EMB have been supported by STFC through the consolidated grant ST/W001136/1. The post-doctoral fellowship of KB is funded by F.R.S.-FNRS grant T.0109.20 and by the Francqui Foundation. FJP acknowledges financial support from the grant CEX2021-001131-S funded by MCIN/AEI/10.13039/501100011033 and through projects PID2019-109522GB-C52 and PID2022-137241NB-C43. JDH and GAB acknowledge funding from NASA XRP grant 80NSSC22K0315. This publication benefits from the support of the French Community of Belgium in the context of the FRIA Doctoral Grant awarded to MT. |
