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dc.contributor.author
Lam, Kristine W.F.
dc.contributor.author
Csizmadia, Szilárd
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Astudillo Defru, Nicola
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Bonfils, Xavier
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Gandolfi, Davide
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Padovan, Sebastiano
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Esposito, Massimiliano
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Hellier, Coel
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Hirano, Teruyuki
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Livingston, John
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Murgas, Felipe
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Smith, Alexis M.S.
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Collins, Karen A.
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Mathur, Savita
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Garcia, Rafael A.
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Howell, Steve B.
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Santos, Nuno C.
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Dai, Fei
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Ricker, George R.
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Vanderspek, Roland
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Latham, David W.
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Seager, Sara
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Winn, Joshua N.
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Jenkins, Jon M.
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Albrecht, Simon
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Almenara, Jose M.
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Artigau, Etienne
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Barragán, Oscar
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Bouchy, François
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Cabrera, Juan
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Diaz, Rodrigo Fernando
dc.date.available
2023-09-28T12:33:57Z
dc.date.issued
2021-12
dc.identifier.citation
Lam, Kristine W.F.; Csizmadia, Szilárd; Astudillo Defru, Nicola; Bonfils, Xavier; Gandolfi, Davide; et al.; GJ 367b: A dense, ultrashort-period sub-Earth planet transiting a nearby red dwarf star; American Association for the Advancement of Science; Science; 374; 6572; 12-2021; 1271-1275
dc.identifier.issn
0036-8075
dc.identifier.uri
http://hdl.handle.net/11336/213426
dc.description.abstract
Ultrashort-period (USP) exoplanets have orbital periods shorter than 1 day. Precise masses and radii of USP exoplanets could provide constraints on their unknown formation and evolution processes. We report the detection and characterization of the USP planet GJ 367b using high-precision photometry and radial velocity observations. GJ 367b orbits a bright (V-band magnitude of 10.2), nearby, and red (M-type) dwarf star every 7.7 hours. GJ 367b has a radius of 0.718 ± 0.054 Earth-radii and a mass of 0.546 ± 0.078 Earth-masses, making it a sub-Earth planet. The corresponding bulk density is 8.106 ± 2.165 grams per cubic centimeter—close to that of iron. An interior structure model predicts that the planet has an iron core radius fraction of 86 ± 5%, similar to that of Mercury’s interior.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
American Association for the Advancement of Science
dc.rights
info:eu-repo/semantics/restrictedAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
ASTRONOMY
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PLANET SCI
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Astrophysics - Earth and Planetary Astrophysics
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Astronomía
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Ciencias Físicas
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CIENCIAS NATURALES Y EXACTAS
dc.title
GJ 367b: A dense, ultrashort-period sub-Earth planet transiting a nearby red dwarf star
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2023-09-21T11:15:45Z
dc.journal.volume
374
dc.journal.number
6572
dc.journal.pagination
1271-1275
dc.journal.pais
Estados Unidos
dc.description.fil
Fil: Lam, Kristine W.F.. German Aerospace Center; Alemania. Technishe Universitat Berlin; Alemania
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Fil: Csizmadia, Szilárd. German Aerospace Center; Alemania
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Fil: Astudillo Defru, Nicola. Universidad Católica de la Santísima Concepción; Chile
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Fil: Bonfils, Xavier. Universite Grenoble Alpes; Francia
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Fil: Gandolfi, Davide. Università di Torino; Italia
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Fil: Padovan, Sebastiano. European Organisation for the Exploitation of Meteorological Satellites; Alemania. German Aerospace Center; Alemania
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Fil: Esposito, Massimiliano. Thüringer Landessternwarte Tautenburg; Alemania
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Fil: Hellier, Coel. Keele University; Reino Unido
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Fil: Hirano, Teruyuki. Tokyo Institute Of Technology; Japón
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Fil: Livingston, John. The University Of Tokyo; Japón
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Fil: Murgas, Felipe. Instituto Astrofisico de Canarias; España. Universidad de La Laguna; España
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Fil: Smith, Alexis M.S.. German Aerospace Center; Alemania
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Fil: Collins, Karen A.. Harvard-Smithsonian Center for Astrophysics; Estados Unidos
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Fil: Mathur, Savita. Instituto Astrofisico de Canarias; España. Universidad de La Laguna; España
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Fil: Garcia, Rafael A.. Universite Paris-Saclay;
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Fil: Howell, Steve B.. NASA Ames Research Center; Estados Unidos
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Fil: Santos, Nuno C.. Universidad de Porto; Portugal
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Fil: Dai, Fei. California Institute of Technology; Estados Unidos
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Fil: Ricker, George R.. Massachusetts Institute of Technology; Estados Unidos
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Fil: Vanderspek, Roland. Massachusetts Institute of Technology; Estados Unidos
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Fil: Latham, David W.. Harvard-Smithsonian Center for Astrophysics; Estados Unidos
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Fil: Seager, Sara. Massachusetts Institute of Technology; Estados Unidos
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Fil: Winn, Joshua N.. University of Princeton; Estados Unidos
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Fil: Jenkins, Jon M.. Nasa Ames Research Center; Estados Unidos
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Fil: Albrecht, Simon. University Aarhus; Dinamarca
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Fil: Almenara, Jose M.. Universite Grenoble Alpes; Francia
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Fil: Artigau, Etienne. Universite Grenoble Alpes; Francia
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Fil: Barragán, Oscar. University of Oxford; Reino Unido
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Fil: Bouchy, François. Universidad de Ginebra; Suiza
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Fil: Cabrera, Juan. Universite Grenoble Alpes; Francia
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Fil: Diaz, Rodrigo Fernando. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Ciencias Físicas. - Universidad Nacional de San Martín. Instituto de Ciencias Físicas; Argentina
dc.journal.title
Science
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1126/science.aay3253
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://www.science.org/doi/10.1126/science.aay3253
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