Mass determination of two Jupiter-sized planets orbiting slightly evolved stars: TOI-2420 b and TOI-2485 b

被引：0

作者：

Carleo, Ilaria ^{[1
,2
,3
]}

Barrágan, Oscar ^{[4
]}

Persson, Carina M. ^{[5
]}

Fridlund, Malcolm ^{[5
,6
]}

Lam, Kristine W. F. ^{[7
]}

Messina, Sergio ^{[8
]}

Gandolfi, Davide ^{[9
]}

Smith, Alexis M. S. ^{[7
]}

Johnson, Marshall C. ^{[10
]}

Cochran, William ^{[17
]}

Osborne, Hannah L. M. ^{[11
,12
]}

Brahm, Rafael ^{[13
,14
]}

Ciardi, David R. ^{[15
]}

Collins, Karen A. ^{[16
]}

Everett, Mark E. ^{[18
]}

Giacalone, Steven ^{[19
]}

Guenther, Eike W. ^{[20
]}

Hatzes, Artie ^{[20
]}

Hellier, Coel ^{[21
]}

Horner, Jonathan ^{[26
]}

Kabáth, Petr ^{[22
]}

Korth, Judith ^{[23
]}

Macqueen, Phillip ^{[17
]}

Masseron, Thomas ^{[2
,3
]}

Murgas, Felipe ^{[2
,3
]}

Nowak, Grzegorz ^{[2
,3
,24
]}

Rodriguez, Joseph E. ^{[25
]}

Watkins, Cristilyn N. ^{[16
]}

Wittenmyer, Rob ^{[26
]}

Zhou, George ^{[26
]}

Ziegler, Carl ^{[27
]}

Bieryla, Allyson ^{[16
]}

Boyd, Patricia T. ^{[28
]}

Clark, Catherine A. ^{[15
,29
]}

Dressing, Courtney D. ^{[30
]}

Eastman, Jason D. ^{[16
]}

Eberhardt, Jan ^{[31
]}

Endl, Michael ^{[17
]}

Espinoza, Nestor ^{[32
]}

Fausnaugh, Michael ^{[33
,34
]}

Guerrero, Natalia M. ^{[34
,35
]}

Henning, Thomas ^{[31
]}

Hesse, Katharine ^{[34
]}

Hobson, Melissa J. ^{[36
]}

Howell, Steve B. ^{[37
]}

Jordán, Andrés ^{[13
,14
]}

Latham, David W. ^{[16
]}

Lund, Michael B. ^{[15
]}

Mireles, Ismael ^{[38
]}

Narita, Norio ^{[2
,39
,40
]}

机构：

[1] INAF, Osservatorio Astrofisico di Torino, Via Osservatorio 20, Pino Torinese,10025, Italy

[2] Instituto de Astrofísica de Canarias (IAC), Tenerife, La Laguna,38205, Spain

[3] Departamento de Astrofísica, Universidad de La Laguna (ULL), Tenerife, La Laguna,38206, Spain

[4] Sub-department of Astrophysics, Department of Physics, University of Oxford, Oxford,OX1 3RH, United Kingdom

[5] Chalmers University of Technology, Department of Space, Earth and Environment, Onsala Space Observatory, Onsala,439 92, Sweden

[6] Leiden Observatory, University of Leiden, PO Box 9513, Leiden,2300 RA, Netherlands

[7] Institute of Planetary Research, German Aerospace Center (DLR), Rutherfordstrasse 2, Berlin,12489, Germany

[8] INAF, Osservatorio Astrofisico di Catania, Via S. Sofia 78, Catania,95123, Italy

[9] Dipartimento di Fisica, Università degli Studi di Torino, via Pietro Giuria 1, Torino,10125, Italy

[10] Department of Astronomy, The Ohio State University, McPherson Laboratory, 140 West 18th Avenue, Columbus,OH,43210, United States

[11] Mullard Space Science Laboratory, University College London, Holmbury St Mary, Surrey, Dorking,RH5 6NT, United Kingdom

[12] European Southern Observatory, Karl-Schwarzschild-Straße 2, Garching bei Munchen,85748, Germany

[13] Facultad de Ingeniera y Ciencias, Universidad Adolfo Ibáñez, Av. Diagonal las Torres 2640, Peñalolén, Santiago, Chile

[14] Millennium Institute for Astrophysics, Chile

[15] NASA Exoplanet Science Institute-Caltech/IPAC, Pasadena,CA,91125, United States

[16] Center for Astrophysics | Harvard & Smithsonian, 60 Garden Street, Cambridge,MA,02138, United States

[17] Department of Astronomy and McDonald Observatory, University of Texas at Austin, 2515 Speedway, Stop C1400, Austin,TX,78712, United States

[18] NSF, National Optical-Infrared Astronomy Research Laboratory, 950 N. Cherry Ave., Tucson,AZ,85719, United States

[19] Department of Astronomy, California Institute of Technology, Pasadena,CA,91125, United States

[20] Thüringer Landessternwarte Tautenburg, Sternwarte 5 Tautenberg, 07778, Germany

[21] Astrophysics Group, Keele University, Staffordshire,ST5 5BG, United Kingdom

[22] Astronomical Institute, Czech Academy of Sciences, Fričova 298, Ondřejov,25165, Czech Republic

[23] Lund Observatory, Division of Astrophysics, Department of Physics, Lund University, Box 43, Lund,22100, Sweden

[24] Institute of Astronomy, Faculty of Physics, Astronomy and Informatics, Nicolaus Copernicus University, Grudziądzka 5, Toruń,87-100, Poland

[25] Center for Data Intensive and Time Domain Astronomy, Department of Physics and Astronomy, Michigan State University, East Lansing,MI,48824, United States

[26] University of Southern Queensland, Centre for Astrophysics, UniSQ Toowoomba, West Street, QLD,4350, Australia

[27] Department of Physics, Engineering and Astronomy, Stephen F. Austin State University, 1936 North St, Nacogdoches,TX,75962, United States

[28] NASA Goddard Space Flight Center, Greenbelt,MD,20771, United States

[29] Jet Propulsion Laboratory, California Institute of Technology, Pasadena,CA,91109, United States

[30] Department of Astronomy, University of California Berkeley, Berkeley,CA,94720, United States

[31] Max-Planck-Institut für Astronomie, Königstuhl 17, Heidelberg,69117, Germany

[32] Space Telescope Science Institute, 3700 San Martin Drive, Baltimore,MD,21218, United States

[33] Department of Physics & Astronomy, Texas Tech University, Lubbock,TX,79410-1051, United States

[34] Department of Physics and Kavli Institute for Astrophysics and Space Research, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge,MA,02139, United States

[35] Department of Astronomy, University of Florida, Gainesville,FL,32611, United States

[36] Observatoire de Genève, Département da'Astronomie, Université de Genève, Chemin Pegasi 51b, Versoix,1290, Switzerland

[37] NASA Ames Research Center, Moffett Field,CA,94035, United States

[38] Department of Physics and Astronomy, University of New Mexico, 210 Yale Blvd NE, Albuquerque,NM, United States

[39] Komaba Institute for Science, The University of Tokyo, 3-8-1 Komaba, Meguro, Tokyo,153-8902, Japan

[40] Astrobiology Center, 2-21-1 Osawa, Tokyo,181-8588, Japan

[41] Instituto de Astrofísica, Facultad de Física, Pontificia Universidad Católica de Chile, Chile

[42] Department of Astronomy, University of Maryland, College Park, College Park,MD,20742, United States

[43] Department of Astronomy, Steward Observatory, The University of Arizona, 933 North Cherry Avenue, Tucson,AZ,85721, United States

[44] Department of Earth, Atmospheric and Planetary Sciences, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge,MA,02139, United States

[45] Department of Aeronautics and Astronautics, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge,MA,02139, United States

[46] SETI Institute, 339 N Bernardo Ave, Mountain View,CA,94043, United States

[47] Department of Physics & Astronomy, Vanderbilt University, Nashville,TN, United States

[48] Hazelwood Observatory, Australia

[49] Department of Astronomy, Sofia University St Kliment Ohridski, 5 James Bourchier Blvd, BG-1164, Sofia, Bulgaria

[50] Landessternwarte, Zentrum für Astronomie der Universität Heidelberg, Königstuhl 12, Heidelberg,69117, Germany

来源：

Astronomy and Astrophysics | 1600年 / 690卷

基金：

欧盟地平线“2020”; 美国国家科学基金会; 美国国家航空航天局; 欧洲研究理事会; 澳大利亚研究理事会;

关键词：

Satellites - Space tethers - Spectrographs - Stars;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

Context. Hot and warm Jupiters might have undergone the same formation and evolution path, but the two populations exhibit different distributions of orbital parameters. This challenges our understanding of their actual origin. Aims. We report the results of our warm Jupiters survey, which was carried out with the CHIRON spectrograph within the KESPRINT collaboration. We addressed the question of the population origin by studying two planets that might help to bridge the gap between the two populations. Methods. We confirm two planets and determine their mass. One is a hot Jupiter (with an orbital period shorter than 10 days), TOI-2420 b, and the other is a warm Jupiter, TOI-2485 b. We analyzed them using a wide variety of spectral and photometric data in order to characterize these planetary systems. Results. We found that TOI-2420 b has an orbital period of Pb = 5.8 days, a mass of Mb = 0.9 MJ, and a radius of Rb = 1.3 RJ, with a planetary density of 0.477 g cm-3. TOI-2485 b has an orbital period of Pb = 11.2 days, a mass of Mb = 2.4 MJ, and a radius of Rb = 1.1 RJ with a density of 2.36 g cm-3. Conclusions. With the current parameters, the migration history for TOI-2420 b and TOI-2485 b is unclear: Scenarios of a high-eccentricity migration cannot be ruled out, and the characteristics of TOI-2485 b even support this scenario. © The Authors 2024.

引用

共 13 条

[1] Mass determination of two Jupiter-sized planets orbiting slightly evolved stars: TOI-2420 b and TOI-2485 b
Carleo, Ilaria
Barragan, Oscar
Persson, Carina M.
Fridlund, Malcolm
Lam, Kristine W. F.
Messina, Sergio
Gandolfi, Davide
Smith, Alexis M. S.
Johnson, Marshall C.
Cochran, William
Osborne, Hannah L. M.
Brahm, Rafael
Ciardi, David R.
Collins, Karen A.
Everett, Mark E.
Giacalone, Steven
Guenther, Eike W.
Hatzes, Artie
Hellier, Coel
Horner, Jonathan
Kabath, Petr
Korth, Judith
MacQueen, Phillip
Masseron, Thomas
Murgas, Felipe
Nowak, Grzegorz
Rodriguez, Joseph E.
Watkins, Cristilyn N.
Wittenmyer, Rob
Zhou, George
Ziegler, Carl
Bieryla, Allyson
Boyd, Patricia T.
Clark, Catherine A.
Dressing, Courtney D.
Eastman, Jason D.
Eberhardt, Jan
Endl, Michael
Espinoza, Nestor
Fausnaugh, Michael
Guerrero, Natalia M.
Henning, Thomas
Hesse, Katharine
Hobson, Melissa J.
Howell, Steve B.
Jordan, Andres
Latham, David W.
Lund, Michael B.
Mireles, Ismael
Narita, Norio
ASTRONOMY & ASTROPHYSICS, 2024, 690
[2] TOI-2379 b and TOI-2384 b: two super-Jupiter mass planets transiting low-mass host stars
Bryant, Edward M.
Bayliss, Daniel
Hartman, Joel D.
Sedaghati, Elyar
Hobson, Melissa J.
Jordan, Andres
Brahm, Rafael
Bakos, Gaspar a
Almenara, Jose Manuel
Barkaoui, Khalid
Bonfils, Xavier
Cointepas, Marion
Collins, Karen A.
Dransfield, Georgina
Evans, Phil
Gillon, Michael
Jehin, Emmanuel
Murgas, Felipe
Pozuelos, Francisco J.
Schwarz, Richard P.
Timmermans, Mathilde
Watkins, Cristilyn N.
Wuensche, Anael
Butler, R. Paul
Crane, Jeffrey D.
Shectman, Steve
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Charbonneau, David
Essack, Zahra
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Seager, Sara
Ting, Eric B.
Winn, Joshua N.
MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, 2024, 533 (04) : 3893 - 3906
[3] TOI 122b and TOI 237b: Two Small Warm Planets Orbiting Inactive M Dwarfs Found by TESS
Waalkes, William C.
Berta-Thompson, Zachory K.
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Feinstein, Adina D.
Tofflemire, Benjamin M.
Rojas-Ayala, Barbara
Silverstein, Michele L.
Newton, Elisabeth
Ricker, George R.
Vanderspek, Roland
Latham, David W.
Seager, S.
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Christiansen, Jessie
Goeke, Robert F.
Levine, Alan M.
Osborn, H. P.
Rinehart, S. A.
Rose, Mark E.
Ting, Eric B.
Twicken, Joseph D.
Barkaoui, Khalid
Bean, Jacob L.
Briceno, Cesar
Ciardi, David R.
Collins, Kevin, I
Conti, Dennis
Gan, Tianjun
Gillon, Michael
Isopi, Giovanni
Jehin, Emmanuel
Jensen, Eric L. N.
Kielkopf, John F.
Law, Nicholas
Mallia, Franco
Mann, Andrew W.
Montet, Benjamin T.
Pozuelos, Francisco J.
Relles, Howard
Libby-Roberts, Jessica E.
Ziegler, Carl
ASTRONOMICAL JOURNAL, 2021, 161 (01):
[4] Three Saturn-mass planets transiting F-type stars revealed with TESS and HARPS TOI-615b, TOI-622b, and TOI-2641b
Psaridi, Angelica
Bouchy, Francois
Lendl, Monika
Akinsanmi, Babatunde
Stassun, Keivan G.
Smalley, Barry
Armstrong, David J.
Howard, Saburo
Ulmer-Moll, Solene
Grieves, Nolan
Barkaoui, Khalid
Rodriguez, Joseph E.
Bryant, Edward M.
Suarez, Olga
Guillot, Tristan
Evans, Phil
Attia, Omar
Wittenmyer, Robert A.
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Collins, Karen A.
Zhou, George
Galland, Franck
Parc, Lena
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ASTRONOMY & ASTROPHYSICS, 2023, 675
[5] TOI 762 A b and TIC 46432937 b: Two Giant Planets Transiting M-dwarf Stars
Hartman, Joel D.
Bayliss, Daniel
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Jordan, Andres
Bakos, Gaspar a.
Hobson, Melissa J.
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Almenara, Jose Manuel
Barkaoui, Khalid
Timmermans, Mathilde
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Zuniga-Fernandez, Sebastian
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Pedersen, Peter Pihlmann
Pozuelos, Francisco J.
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Gillon, Michael
Jehin, Emmanuel
Waalkes, William C.
Berta-Thompson, Zachory K.
Howell, Steve B.
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Ricker, George R.
Vanderspek, Roland
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Collins, Karen A.
Charbonneau, David
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ASTRONOMICAL JOURNAL, 2024, 168 (05):
[6] TOI 4201 b and TOI 5344 b: Discovery of Two Transiting Giant Planets around M-dwarf Stars and Revised Parameters for Three Others
Hartman, J. D.
Bakos, G. A.
Csubry, Z.
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Isaacson, H.
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Fukui, A.
de Leon, J. P.
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Mori, M.
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Ikoma, M.
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de Wit, Julien
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ASTRONOMICAL JOURNAL, 2023, 166 (04):
[7] TOI-4600 b and c: Two Long-period Giant Planets Orbiting an Early K Dwarf
Mireles, Ismael
Dragomir, Diana
Osborn, Hugh P.
Hesse, Katharine
Collins, Karen A.
Villanueva, Steven
Bieryla, Allyson
Ciardi, David R.
Stassun, Keivan G.
Harris, Mallory
Lissauer, Jack J.
Schwarz, Richard P.
Srdoc, Gregor
Barkaoui, Khalid
Riffeser, Arno
McLeod, Kim K.
Pepper, Joshua
Grieves, Nolan
Passegger, Vera Maria
Ulmer-Moll, Solene
Rodriguez, Joseph E.
Feliz, Dax L.
Quinn, Samuel
Boyle, Andrew W.
Fausnaugh, Michael
Kunimoto, Michelle
Rowden, Pamela
Vanderburg, Andrew
Wohler, Bill
Jenkins, Jon M.
Latham, David W.
Ricker, George R.
Seager, Sara
Winn, Joshua N.
ASTROPHYSICAL JOURNAL LETTERS, 2023, 954 (01)
[8] TOI-1431b/MASCARA-5b: A Highly Irradiated Ultrahot Jupiter Orbiting One of the Hottest and Brightest Known Exoplanet Host Stars
Addison, Brett C.
Knudstrup, Emil
Wong, Ian
Hebrard, Guillaume
Dorval, Patrick
Snellen, Ignas
Albrecht, Simon
Bello-Arufe, Aaron
Almenara, Jose-Manuel
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Bonfils, Xavier
Dalal, Shweta
Demangeon, Olivier D. S.
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ASTRONOMICAL JOURNAL, 2021, 162 (06):
[9] TOI 694b and TIC 220568520b: Two Low-mass Companions near the Hydrogen-burning Mass Limit Orbiting Sun-like Stars
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ASTRONOMICAL JOURNAL, 2020, 160 (03):
[10] TOI-1296b and TOI-1298b observed with TESS and SOPHIE: two hot Saturn-mass exoplanets with different densities around metal-rich stars☆
Moutou, C.
Almenara, J. M.
Hebrard, G.
Santos, N. C.
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Deheuvels, S.
Barros, S.
Benni, P.
Bieryla, A.
Boisse, I.
Bonfils, X.
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ASTRONOMY & ASTROPHYSICS, 2021, 653

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