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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
earth and planetary sciences
TOI 4201 b and TOI 5344 b: Discovery of Two Transiting Giant Planets around M-dwarf Stars and Revised Parameters for Three Others
Astronomical Journal, Volume 166, No. 4, Article 163, Year 2023
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Description
We present the discovery from the TESS mission of two giant planets transiting M-dwarf stars: TOI 4201 b and TOI 5344 b. We also provide precise radial velocity measurements and updated system parameters for three other M dwarfs with transiting giant planets: TOI 519, TOI 3629, and TOI 3714. We measure planetary masses of 0.525 ± 0.064 M J, 0.243 ± 0.020 M J, 0.689 ± 0.030 M J, 2.57 ± 0.15 M J, and 0.412±0.040 M J for TOI 519 b, TOI 3629 b, TOI 3714 b, TOI 4201 b, and TOI 5344 b, respectively. The corresponding stellar masses are 0.372 ± 0.018 M ☉, 0.635 ± 0.032 M ☉, 0.522 ± 0.028 M ☉, 0.626 ± 0.033 M ☉, and 0.612 ± 0.034 M ☉. All five hosts have supersolar metallicities, providing further support for recent findings that, like for solar-type stars, close-in giant planets are preferentially found around metal-rich M-dwarf host stars. Finally, we describe a procedure for accounting for systematic errors in stellar evolution models when those models are included directly in fitting a transiting planet system. © 2023. The Author(s). Published by the American Astronomical Society.
Authors & Co-Authors
Hartman, Joel D.
United States, Princeton
Princeton University
Csubry, Zoltán
United States, Princeton
Princeton University
Howard, Andrew W.
United States, Pasadena
California Institute of Technology
Isaacson, Howard T.
United States, Berkeley
University of California, Berkeley
Giacalone, Steven A.
United States, Berkeley
University of California, Berkeley
Chontos, Ashley
United States, Princeton
Princeton University
Narita, Norio
Japan, Tokyo
The University of Tokyo
Japan, Mitaka
National Institutes of Natural Sciences - Astrobiology Center
Spain, San Cristobal de la Laguna
Instituto Astrofisico de Canarias
Fukui, Akihiko
Japan, Tokyo
The University of Tokyo
Spain, San Cristobal de la Laguna
Instituto Astrofisico de Canarias
de Leon, Jerome Pitogo
Japan, Tokyo
The University of Tokyo
Watanabe, Noriharu
Japan, Tokyo
The University of Tokyo
Mori, Mayuko
Japan, Tokyo
The University of Tokyo
Kagetani, Taiki
Japan, Tokyo
The University of Tokyo
Ikoma, Masahiro
Japan, Mitaka
National Institutes of Natural Sciences - National Astronomical Observatory of Japan
Palle´, Enric B.
Spain, San Cristobal de la Laguna
Instituto Astrofisico de Canarias
Spain, San Cristobal de la Laguna
Universidad de la Laguna
Murgas, Felipe
Spain, San Cristobal de la Laguna
Instituto Astrofisico de Canarias
Spain, San Cristobal de la Laguna
Universidad de la Laguna
Esparza-Borges, Emma
Spain, San Cristobal de la Laguna
Instituto Astrofisico de Canarias
Spain, San Cristobal de la Laguna
Universidad de la Laguna
Parviainen, Hannu
Spain, San Cristobal de la Laguna
Instituto Astrofisico de Canarias
Spain, San Cristobal de la Laguna
Universidad de la Laguna
Bouma, Luke G.
United States, Pasadena
California Institute of Technology
Cointepas, Marion
France, Saint Martin D'heres
Université Grenoble Alpes
Switzerland, Geneva
Université de Genève
Bonfils, Xavier
France, Saint Martin D'heres
Université Grenoble Alpes
Almenara, José Manuel
Switzerland, Geneva
Université de Genève
Collins, Karen A.
United States, Cambridge
Harvard-smithsonian Center for Astrophysics
Collins, Kevin I.
United States, Fairfax
George Mason University
Relles, Howard M.
United States, Cambridge
Harvard-smithsonian Center for Astrophysics
Barkaoui, Khalid
Spain, San Cristobal de la Laguna
Instituto Astrofisico de Canarias
Belgium, Liege
Université de Liège
United States, Cambridge
Massachusetts Institute of Technology
Schwarz, Richard P.
United States, Cambridge
Harvard-smithsonian Center for Astrophysics
Timmermans, Mathilde
Belgium, Liege
Université de Liège
Dransfield, Georgina
United Kingdom, Birmingham
University of Birmingham
Burdanov, Artem Yu
United States, Cambridge
Massachusetts Institute of Technology
de Wit, Julien
United States, Cambridge
Massachusetts Institute of Technology
Jehin, Emmanuël
Belgium, Liege
Université de Liège
Triaud, Amaury H.M.J.
United Kingdom, Birmingham
University of Birmingham
Gillon, Michaël
Belgium, Liege
Université de Liège
Benkhaldoun, Z.
Morocco, Marakech
Université Cadi Ayyad
Hörne, Keith D.
United Kingdom, St Andrews
University of st Andrews
Sefako, Ramotholo R.
South Africa, Cape Town
South African Astronomical Observatory
Jordán, Andrés
Chile, Santiago
Universidad Adolfo Ibáñez
Chile, Santiogo
Millennium Institute for Astrophysics
Brahm, Rafael
Chile, Santiago
Universidad Adolfo Ibáñez
Chile, Santiogo
Millennium Institute for Astrophysics
Suc, Vincent
Chile, Santiago
Universidad Adolfo Ibáñez
Howell, Steve B.
United States, Moffett Field
Nasa Ames Research Center
Furlan, Elise
United States, Pasadena
California Institute of Technology
Schlieder, Joshua E.
Unknown Affiliation
Ciardi, David R.
United States, Pasadena
California Institute of Technology
Barclay, Thomas S.
Unknown Affiliation
Gonzales, Erica J.
Unknown Affiliation
Crossfield, Ian J.M.
Unknown Affiliation
Dressing, Courtney D.
United States, Berkeley
University of California, Berkeley
Goliguzova, Maria V.
Unknown Affiliation
Tatarnikov, Andrey M.
Unknown Affiliation
Ricker, George R.
Unknown Affiliation
Vanderspek, Roland K.
Unknown Affiliation
Latham, David W.
United States, Cambridge
Harvard-smithsonian Center for Astrophysics
Seager, Sara
Unknown Affiliation
Winn, Joshua N.
United States, Princeton
Princeton University
Jenkins, Jon M.
United States, Moffett Field
Nasa Ames Research Center
Striegel, Stephanie
United States, Moffett Field
Nasa Ames Research Center
Shporer, Avi
Unknown Affiliation
Vanderburg, Andrew M.
Unknown Affiliation
Levine, Alan M.
Unknown Affiliation
Kostov, Veselin B.
Unknown Affiliation
Watanabe, David
Unknown Affiliation
Statistics
Citations: 3
Authors: 61
Affiliations: 21
Identifiers
Doi:
10.3847/1538-3881/acf56e
ISSN:
00046256