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| Fältnamn | Indikatorer | Metadata |
|---|---|---|
| 000 | 10621naa a2201537 4500 | |
| 001 | oai:research.chalmers.se:46232252-3166-4254-a8d6-866c5860e81e | |
| 003 | SwePub | |
| 008 | 240610s2024 | |||||||||||000 ||eng| | |
| 024 | 7 | a https://research.chalmers.se/publication/5415072 URI |
| 024 | 7 | a https://doi.org/10.3847/1538-3881/ad41152 DOI |
| 040 | a (SwePub)cth | |
| 041 | a engb eng | |
| 042 | 9 SwePub | |
| 072 | 7 | a art2 swepub-publicationtype |
| 072 | 7 | a ref2 swepub-contenttype |
| 100 | 1 | a Hori, Yasunoriu National Institutes of Natural Sciences (NINS)4 aut |
| 245 | 1 0 | a The Discovery and Follow-up of Four Transiting Short-period Sub-Neptunes Orbiting M Dwarfs |
| 264 | 1 | c 2024 |
| 338 | a electronic2 rdacarrier | |
| 520 | a Sub-Neptunes with radii of 2-3 R ⊕ are intermediate in size between rocky planets and Neptune-sized planets. The orbital properties and bulk compositions of transiting sub-Neptunes provide clues to the formation and evolution of close-in small planets. In this paper, we present the discovery and follow-up of four sub-Neptunes orbiting M dwarfs (TOI-782, TOI-1448, TOI-2120, and TOI-2406), three of which were newly validated by ground-based follow-up observations and statistical analyses. TOI-782 b, TOI-1448 b, TOI-2120 b, and TOI-2406 b have radii of R p = 2.740 − 0.079 + 0.082 R ⊕ , 2.769 − 0.068 + 0.073 R ⊕ , 2.120 ± 0.067 R ⊕, and 2.830 − 0.066 + 0.068 R ⊕ and orbital periods of P = 8.02, 8.11, 5.80, and 3.08 days, respectively. Doppler monitoring with the Subaru/InfraRed Doppler instrument led to 2σ upper limits on the masses of <19.1 M ⊕, <19.5 M ⊕, <6.8 M ⊕, and <15.6 M ⊕ for TOI-782 b, TOI-1448 b, TOI-2120 b, and TOI-2406 b, respectively. The mass-radius relationship of these four sub-Neptunes testifies to the existence of volatile material in their interiors. These four sub-Neptunes, which are located above the so-called “radius valley,” are likely to retain a significant atmosphere and/or an icy mantle on the core, such as a water world. We find that at least three of the four sub-Neptunes (TOI-782 b, TOI-2120 b, and TOI-2406 b), orbiting M dwarfs older than 1 Gyr, are likely to have eccentricities of e ∼ 0.2-0.3. The fact that tidal circularization of their orbits is not achieved over 1 Gyr suggests inefficient tidal dissipation in their interiors. | |
| 650 | 7 | a NATURVETENSKAPx Fysikx Astronomi, astrofysik och kosmologi0 (SwePub)103052 hsv//swe |
| 650 | 7 | a NATURAL SCIENCESx Physical Sciencesx Astronomy, Astrophysics and Cosmology0 (SwePub)103052 hsv//eng |
| 650 | 7 | a NATURVETENSKAPx Fysikx Den kondenserade materiens fysik0 (SwePub)103042 hsv//swe |
| 650 | 7 | a NATURAL SCIENCESx Physical Sciencesx Condensed Matter Physics0 (SwePub)103042 hsv//eng |
| 700 | 1 | a Fukui, A.u University of Tokyo, Japan4 aut |
| 700 | 1 | a Hirano, T.u National Institutes of Natural Sciences (NINS)4 aut |
| 700 | 1 | a Narita, Noriou National Institutes of Natural Sciences (NINS)4 aut |
| 700 | 1 | a De Leon, Jerome P.u University of Tokyo, Japan4 aut |
| 700 | 1 | a Ishikawa, Hiroyuki Takou Western University4 aut |
| 700 | 1 | a Hartman, Joel D.u Princeton University4 aut |
| 700 | 1 | a Morello, Giuseppeu Instituto de Astrofísica de Canarias4 aut |
| 700 | 1 | a Garcia, N. Abreuu Instituto de Astrofísica de Canarias4 aut |
| 700 | 1 | a Hernández, Leticia Álvarezu Instituto de Astrofísica de Canarias4 aut |
| 700 | 1 | a Bejar, V. J. S.u Instituto de Astrofísica de Canarias4 aut |
| 700 | 1 | a Calatayud-Borras, Yéssicau Instituto de Astrofísica de Canarias4 aut |
| 700 | 1 | a Carleo, Ilariau Instituto de Astrofísica de Canarias4 aut |
| 700 | 1 | a Enoc, Garebu Instituto de Astrofísica de Canarias4 aut |
| 700 | 1 | a Esparza-Borges, E.u Instituto de Astrofísica de Canarias4 aut |
| 700 | 1 | a Fukuda, Izuruu University of Tokyo, Japan4 aut |
| 700 | 1 | a Galán, D.u Instituto de Astrofísica de Canarias4 aut |
| 700 | 1 | a Geraldía-González, S.u Instituto de Astrofísica de Canarias4 aut |
| 700 | 1 | a Hayashi, Y.u University of Tokyo, Japan4 aut |
| 700 | 1 | a Ikoma, Masahirou National Astronomical Observatory of Japan4 aut |
| 700 | 1 | a Ikuta, Kaiu University of Tokyo, Japan4 aut |
| 700 | 1 | a Isogai, Keisukeu University of Tokyo, Japan4 aut |
| 700 | 1 | a Kagetani, T.u University of Tokyo, Japan4 aut |
| 700 | 1 | a Kawai, Yugou University of Tokyo, Japan4 aut |
| 700 | 1 | a Kawauchi, Kiyoe4 aut |
| 700 | 1 | a Kimura, Tadahirou National Astronomical Observatory of Japan4 aut |
| 700 | 1 | a Kodama, T.u Tokyo Institute of Technology4 aut |
| 700 | 1 | a Korth, Judith,d 1987u Chalmers tekniska högskola,Chalmers University of Technology4 aut0 (Swepub:cth)korth |
| 700 | 1 | a Kusakabe, Nobuhikou National Institutes of Natural Sciences (NINS)4 aut |
| 700 | 1 | a Laza-Ramos, A.u Universitat de Valencia4 aut |
| 700 | 1 | a Livingston, J.H.u National Institutes of Natural Sciences (NINS)4 aut |
| 700 | 1 | a Luque, R.u University of Chicago4 aut |
| 700 | 1 | a Miyakawa, Koheiu National Astronomical Observatory of Japan4 aut |
| 700 | 1 | a Mori, Mayukou National Institutes of Natural Sciences (NINS)4 aut |
| 700 | 1 | a Murgas, F.u Instituto de Astrofísica de Canarias4 aut |
| 700 | 1 | a Orell-Miquel, J.u Instituto de Astrofísica de Canarias4 aut |
| 700 | 1 | a Palle, Enricu Instituto de Astrofísica de Canarias4 aut |
| 700 | 1 | a Parviainen, H.u Instituto de Astrofísica de Canarias4 aut |
| 700 | 1 | a Peláez-Torres, A.u Instituto de Astrofísica de Canarias4 aut |
| 700 | 1 | a Puig-Subirà, M.u Instituto de Astrofísica de Canarias4 aut |
| 700 | 1 | a Sánchez-Benavente, M.u Instituto de Astrofísica de Canarias4 aut |
| 700 | 1 | a Sosa-Guillén, Paulau Instituto de Astrofísica de Canarias4 aut |
| 700 | 1 | a Stangret, M.u Istituto nazionale di astrofisica (INAF)4 aut |
| 700 | 1 | a Terada, Y.u Academia Sinica Taiwan4 aut |
| 700 | 1 | a Muñoz Torres, Sarau Instituto de Astrofísica de Canarias4 aut |
| 700 | 1 | a Watanabe, Noriharuu University of Tokyo, Japan4 aut |
| 700 | 1 | a Bakos, Gaspar Á.u Princeton University4 aut |
| 700 | 1 | a Barkaoui, Khalidu Instituto de Astrofísica de Canarias4 aut |
| 700 | 1 | a Beichman, C.u National Aeronautics and Space Administration (NASA)4 aut |
| 700 | 1 | a Benkhaldoun, Z.4 aut |
| 700 | 1 | a Boyle, A. W.u California Institute of Technology (Caltech)4 aut |
| 700 | 1 | a Ciardi, D. R.u California Institute of Technology (Caltech)4 aut |
| 700 | 1 | a Clark, Catherine A.u National Aeronautics and Space Administration (NASA)4 aut |
| 700 | 1 | a Collins, Karen A.u Harvard-Smithsonian Center for Astrophysics4 aut |
| 700 | 1 | a Collins, Kevin I.u George Mason University4 aut |
| 700 | 1 | a Conti, D.4 aut |
| 700 | 1 | a Crossfield, I. J.M.u University of Kansas4 aut |
| 700 | 1 | a Everett, M.E.4 aut |
| 700 | 1 | a Furlan, Eliseu National Aeronautics and Space Administration (NASA)4 aut |
| 700 | 1 | a Ghachoui, M.u Universite de Liège,University of Liège4 aut |
| 700 | 1 | a Gillon, Michaëlu Universite de Liège,University of Liège4 aut |
| 700 | 1 | a Gonzales, Erica J.4 aut |
| 700 | 1 | a Higuera, Jesus4 aut |
| 700 | 1 | a Horne, Keith4 aut |
| 700 | 1 | a Howell, S.B.u NASA Ames Research Center4 aut |
| 700 | 1 | a Jehin, Emmanuelu Universite de Liège,University of Liège4 aut |
| 700 | 1 | a Lester, Kathryn V.u NASA Ames Research Center4 aut |
| 700 | 1 | a Lund, M. B.u National Aeronautics and Space Administration (NASA)4 aut |
| 700 | 1 | a Matson, Rachel A.4 aut |
| 700 | 1 | a Matthews, Elisabethu Max-Planck-Institut für Astronomie,Max Planck Institute for Astronomy4 aut |
| 700 | 1 | a Pozuelos, Francisco J.u Instituto de Astrofisica de Andalucía (IAA),Institute of Astrophysics of Andalusia (IAA)4 aut |
| 700 | 1 | a Safonov, B. S.u M. V. Lomonosov Moscow State University4 aut |
| 700 | 1 | a Schlieder, Joshua E.u NASA Goddard Space Flight Center4 aut |
| 700 | 1 | a Schwarz, R.u Harvard-Smithsonian Center for Astrophysics4 aut |
| 700 | 1 | a Sefako, Ramotholou South African Astronomical Observatory4 aut |
| 700 | 1 | a Srdoc, G.4 aut |
| 700 | 1 | a Strakhov, I. A.u M. V. Lomonosov Moscow State University4 aut |
| 700 | 1 | a Timmermans, M.u Universite de Liège,University of Liège4 aut |
| 700 | 1 | a Waalkes, William C.u University of Colorado at Boulder4 aut |
| 700 | 1 | a Ziegler, C.u Stephen F. Austin State University4 aut |
| 700 | 1 | a Charbonneau, D.u Harvard-Smithsonian Center for Astrophysics4 aut |
| 700 | 1 | a Essack, Zahrau University of New Mexico4 aut |
| 700 | 1 | a Guerrero, N.u Massachusetts Institute of Technology (MIT),University of Florida4 aut |
| 700 | 1 | a Harakawa, Hirokiu National Astronomical Observatory of Japan4 aut |
| 700 | 1 | a Hedges, Christinau NASA Goddard Space Flight Center4 aut |
| 700 | 1 | a Ishizuka, Masatou University of Tokyo, Japan4 aut |
| 700 | 1 | a Jenkins, Jon M.u NASA Ames Research Center4 aut |
| 700 | 1 | a Konishi, Mihokou Oita University4 aut |
| 700 | 1 | a Kotani, Takayukiu National Institutes of Natural Sciences (NINS)4 aut |
| 700 | 1 | a Kudo, T.u National Astronomical Observatory of Japan4 aut |
| 700 | 1 | a Kurokawa, Takashiu National Astronomical Observatory of Japan4 aut |
| 700 | 1 | a Kuzuhara, M.u National Institutes of Natural Sciences (NINS)4 aut |
| 700 | 1 | a Nishikawa, Junu National Institutes of Natural Sciences (NINS)4 aut |
| 700 | 1 | a Omiya, Masashiu National Institutes of Natural Sciences (NINS)4 aut |
| 700 | 1 | a Ricker, George R.u Massachusetts Institute of Technology (MIT)4 aut |
| 700 | 1 | a Seager, S.u Massachusetts Institute of Technology (MIT)4 aut |
| 700 | 1 | a Serizawa, Takumau National Astronomical Observatory of Japan4 aut |
| 700 | 1 | a Striegel, S.u SETI Institute4 aut |
| 700 | 1 | a Tamura, Motohideu National Institutes of Natural Sciences (NINS)4 aut |
| 700 | 1 | a Ueda, Akitoshiu National Institutes of Natural Sciences (NINS)4 aut |
| 700 | 1 | a Vanderspek, Roland K.u Massachusetts Institute of Technology (MIT)4 aut |
| 700 | 1 | a Vievard, Sébastienu National Astronomical Observatory of Japan4 aut |
| 700 | 1 | a Winn, J. N.u Princeton University4 aut |
| 710 | 2 | a University of Tokyo, Japanb National Institutes of Natural Sciences (NINS)4 org |
| 773 | 0 | t Astronomical Journalg 167:6q 167:6x 1538-3881x 0004-6256 |
| 856 | 4 | u https://research.chalmers.se/publication/541507/file/541507_Fulltext.pdfx primaryx freey FULLTEXT |
| 856 | 4 8 | u https://research.chalmers.se/publication/541507 |
| 856 | 4 8 | u https://doi.org/10.3847/1538-3881/ad4115 |
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