TOI-220b: a warm sub-Neptune discovered by TESS
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| Titel: | TOI-220b: a warm sub-Neptune discovered by TESS |
|---|---|
| Autoren: | Hoyer, S., Gandolfi, D., Armstrong, D. J., Deleuil, M., Acuna, L., de Medeiros, J. R., Goffo, E., Lillo-Box, J., Delgado Mena, E., Lopez, T. A., Santerne, A., Sousa, S., Fridlund, Malcolm, 1952, Adibekyan, V, Collins, K. A., Serrano, L. M., Cortes-Zuleta, P., Howell, S. B., Deeg, H., Aguichine, A., Barragan, O., Bryant, E. M., Canto Martins, B. L., Collins, Cooke, B. F., Diaz, R. F., Esposito, M., Furlan, E., Hojjatpanah, S., Jackman, J., Jenkins, J. M., Jensen, E. L. N., Latham, D. W., Leao, I. C., Matson, R. A., Nielsen, L. D., Osborn, A., Otegi, J. F., Rodler, F., Sabotta, S., Scott, N. J., Seager, S., Stockdale, C., Strom, P. A., Vanderspek, R., Van Eylen, V., Wheatley, P. J., Winn, J. N., Almenara, J. M., Barrado, D., Barros, S. C. C., Bayliss, D., Bouchy, F., Boyd, P. T., Cabrera, J., Cochran, W. D., Demangeon, O., Doty, J. P., Dumusque, X., Figueira, P., Fong, W., Grziwa, S., Hatzes, A. P., Kabath, P., Knudstrup, E., Korth, Judith, 1987, Livingston, J. H., Luque, R., Mousis, O., Mullally, S. E., Osborn, H. P., Palle, E., Persson, Carina, 1964, Redfield, S., Santos, N. C., Smith, J., Subjak, J., Twicken, J. D., Udry, S., Yahalomi, D. A. |
| Quelle: | Monthly Notices of the Royal Astronomical Society. 505(3):3361-3379 |
| Schlagwörter: | techniques: radial velocities, planets and satellites: fundamental parameters, techniques: photometric, stars: fundamental parameters, planets and satellites: individual: TYC 8897-01263-1 |
| Beschreibung: | In this paper, we report the discovery of TOI-220b, a new sub-Neptune detected by the Transiting Exoplanet Survey Satellite (TESS) and confirmed by radial velocity follow-up observations with the HARPS spectrograph. Based on the combined analysis of TESS transit photometry and high precision radial velocity measurements, we estimate a planetary mass of 13.8 +/- 1.0M(circle plus) and radius of 3.03 +/- 0.15R(circle plus), implying a bulk density of 2.73 +/- 0.47. TOI-220b orbits a relative bright (V=10.4) and old (10.1 +/- 1.4Gyr) K dwarf star with a period of similar to 10.69d. Thus, TOI-220b is a new warm sub-Neptune with very precise mass and radius determinations. A Bayesian analysis of the TOI-220b internal structure indicates that due to the strong irradiation it receives, the low density of this planet could be explained with a steam atmosphere in radiative-convective equilibrium and a supercritical water layer on top of a differentiated interior made of a silicate mantle and a small iron core. |
| Dateibeschreibung: | electronic |
| Zugangs-URL: | https://research.chalmers.se/publication/525341 https://research.chalmers.se/publication/525341/file/525341_Fulltext.pdf |
| Datenbank: | SwePub |
| FullText | Text: Availability: 0 CustomLinks: – Url: https://research.chalmers.se/publication/525341# Name: EDS - SwePub (s4221598) Category: fullText Text: View record in SwePub – Url: https://resolver.ebscohost.com/openurl?sid=EBSCO:edsswe&genre=article&issn=00358711&ISBN=&volume=505&issue=3&date=20210101&spage=3361&pages=3361-3379&title=Monthly Notices of the Royal Astronomical Society&atitle=TOI-220b%3A%20a%20warm%20sub-Neptune%20discovered%20by%20TESS&aulast=Hoyer%2C%20S.&id=DOI:10.1093/mnras/stab1427 Name: Full Text Finder Category: fullText Text: Full Text Finder Icon: https://imageserver.ebscohost.com/branding/images/FTF.gif MouseOverText: Full Text Finder – Url: https://www.webofscience.com/api/gateway?GWVersion=2&SrcApp=EBSCO&SrcAuth=EBSCO&DestApp=WOS&ServiceName=TransferToWoS&DestLinkType=GeneralSearchSummary&Func=Links&author=Hoyer%20S Name: ISI Category: fullText Text: Nájsť tento článok vo Web of Science Icon: https://imagesrvr.epnet.com/ls/20docs.gif MouseOverText: Nájsť tento článok vo Web of Science |
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A.</searchLink> – Name: TitleSource Label: Source Group: Src Data: <i>Monthly Notices of the Royal Astronomical Society</i>. 505(3):3361-3379 – Name: Subject Label: Subject Terms Group: Su Data: <searchLink fieldCode="DE" term="%22techniques%3A+radial+velocities%22">techniques: radial velocities</searchLink><br /><searchLink fieldCode="DE" term="%22planets+and+satellites%3A+fundamental+parameters%22">planets and satellites: fundamental parameters</searchLink><br /><searchLink fieldCode="DE" term="%22techniques%3A+photometric%22">techniques: photometric</searchLink><br /><searchLink fieldCode="DE" term="%22stars%3A+fundamental+parameters%22">stars: fundamental parameters</searchLink><br /><searchLink fieldCode="DE" term="%22planets+and+satellites%3A+individual%3A+TYC+8897-01263-1%22">planets and satellites: individual: TYC 8897-01263-1</searchLink> – Name: Abstract Label: Description Group: Ab Data: In this paper, we report the discovery of TOI-220b, a new sub-Neptune detected by the Transiting Exoplanet Survey Satellite (TESS) and confirmed by radial velocity follow-up observations with the HARPS spectrograph. Based on the combined analysis of TESS transit photometry and high precision radial velocity measurements, we estimate a planetary mass of 13.8 +/- 1.0M(circle plus) and radius of 3.03 +/- 0.15R(circle plus), implying a bulk density of 2.73 +/- 0.47. TOI-220b orbits a relative bright (V=10.4) and old (10.1 +/- 1.4Gyr) K dwarf star with a period of similar to 10.69d. Thus, TOI-220b is a new warm sub-Neptune with very precise mass and radius determinations. A Bayesian analysis of the TOI-220b internal structure indicates that due to the strong irradiation it receives, the low density of this planet could be explained with a steam atmosphere in radiative-convective equilibrium and a supercritical water layer on top of a differentiated interior made of a silicate mantle and a small iron core. – Name: Format Label: File Description Group: SrcInfo Data: electronic – Name: URL Label: Access URL Group: URL Data: <link linkTarget="URL" linkTerm="https://research.chalmers.se/publication/525341" linkWindow="_blank">https://research.chalmers.se/publication/525341</link><br /><link linkTarget="URL" linkTerm="https://research.chalmers.se/publication/525341/file/525341_Fulltext.pdf" linkWindow="_blank">https://research.chalmers.se/publication/525341/file/525341_Fulltext.pdf</link> |
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| RecordInfo | BibRecord: BibEntity: Identifiers: – Type: doi Value: 10.1093/mnras/stab1427 Languages: – Text: English PhysicalDescription: Pagination: PageCount: 19 StartPage: 3361 Subjects: – SubjectFull: techniques: radial velocities Type: general – SubjectFull: planets and satellites: fundamental parameters Type: general – SubjectFull: techniques: photometric Type: general – SubjectFull: stars: fundamental parameters Type: general – SubjectFull: planets and satellites: individual: TYC 8897-01263-1 Type: general Titles: – TitleFull: TOI-220b: a warm sub-Neptune discovered by TESS Type: main BibRelationships: HasContributorRelationships: – PersonEntity: Name: NameFull: Hoyer, S. – PersonEntity: Name: NameFull: Gandolfi, D. – PersonEntity: Name: NameFull: Armstrong, D. J. – PersonEntity: Name: NameFull: Deleuil, M. – PersonEntity: Name: NameFull: Acuna, L. – PersonEntity: Name: NameFull: de Medeiros, J. R. – PersonEntity: Name: NameFull: Goffo, E. – PersonEntity: Name: NameFull: Lillo-Box, J. – PersonEntity: Name: NameFull: Delgado Mena, E. – PersonEntity: Name: NameFull: Lopez, T. A. – PersonEntity: Name: NameFull: Santerne, A. – PersonEntity: Name: NameFull: Sousa, S. – PersonEntity: Name: NameFull: Fridlund, Malcolm – PersonEntity: Name: NameFull: Adibekyan, V – PersonEntity: Name: NameFull: Collins, K. A. – PersonEntity: Name: NameFull: Serrano, L. M. – PersonEntity: Name: NameFull: Cortes-Zuleta, P. – PersonEntity: Name: NameFull: Howell, S. B. – PersonEntity: Name: NameFull: Deeg, H. – PersonEntity: Name: NameFull: Aguichine, A. – PersonEntity: Name: NameFull: Barragan, O. – PersonEntity: Name: NameFull: Bryant, E. M. – PersonEntity: Name: NameFull: Canto Martins, B. L. – PersonEntity: Name: NameFull: Collins – PersonEntity: Name: NameFull: Cooke, B. F. – PersonEntity: Name: NameFull: Diaz, R. F. – PersonEntity: Name: NameFull: Esposito, M. – PersonEntity: Name: NameFull: Furlan, E. – PersonEntity: Name: NameFull: Hojjatpanah, S. – PersonEntity: Name: NameFull: Jackman, J. – PersonEntity: Name: NameFull: Jenkins, J. M. – PersonEntity: Name: NameFull: Jensen, E. L. N. – PersonEntity: Name: NameFull: Latham, D. W. – PersonEntity: Name: NameFull: Leao, I. C. – PersonEntity: Name: NameFull: Matson, R. A. – PersonEntity: Name: NameFull: Nielsen, L. D. – PersonEntity: Name: NameFull: Osborn, A. – PersonEntity: Name: NameFull: Otegi, J. F. – PersonEntity: Name: NameFull: Rodler, F. – PersonEntity: Name: NameFull: Sabotta, S. – PersonEntity: Name: NameFull: Scott, N. J. – PersonEntity: Name: NameFull: Seager, S. – PersonEntity: Name: NameFull: Stockdale, C. – PersonEntity: Name: NameFull: Strom, P. A. – PersonEntity: Name: NameFull: Vanderspek, R. – PersonEntity: Name: NameFull: Van Eylen, V. – PersonEntity: Name: NameFull: Wheatley, P. J. – PersonEntity: Name: NameFull: Winn, J. N. – PersonEntity: Name: NameFull: Almenara, J. M. – PersonEntity: Name: NameFull: Barrado, D. – PersonEntity: Name: NameFull: Barros, S. C. C. – PersonEntity: Name: NameFull: Bayliss, D. – PersonEntity: Name: NameFull: Bouchy, F. – PersonEntity: Name: NameFull: Boyd, P. T. – PersonEntity: Name: NameFull: Cabrera, J. – PersonEntity: Name: NameFull: Cochran, W. D. – PersonEntity: Name: NameFull: Demangeon, O. – PersonEntity: Name: NameFull: Doty, J. P. – PersonEntity: Name: NameFull: Dumusque, X. – PersonEntity: Name: NameFull: Figueira, P. – PersonEntity: Name: NameFull: Fong, W. – PersonEntity: Name: NameFull: Grziwa, S. – PersonEntity: Name: NameFull: Hatzes, A. P. – PersonEntity: Name: NameFull: Kabath, P. – PersonEntity: Name: NameFull: Knudstrup, E. – PersonEntity: Name: NameFull: Korth, Judith – PersonEntity: Name: NameFull: Livingston, J. H. – PersonEntity: Name: NameFull: Luque, R. – PersonEntity: Name: NameFull: Mousis, O. – PersonEntity: Name: NameFull: Mullally, S. E. – PersonEntity: Name: NameFull: Osborn, H. P. – PersonEntity: Name: NameFull: Palle, E. – PersonEntity: Name: NameFull: Persson, Carina – PersonEntity: Name: NameFull: Redfield, S. – PersonEntity: Name: NameFull: Santos, N. C. – PersonEntity: Name: NameFull: Smith, J. – PersonEntity: Name: NameFull: Subjak, J. – PersonEntity: Name: NameFull: Twicken, J. D. – PersonEntity: Name: NameFull: Udry, S. – PersonEntity: Name: NameFull: Yahalomi, D. A. IsPartOfRelationships: – BibEntity: Dates: – D: 01 M: 01 Type: published Y: 2021 Identifiers: – Type: issn-print Value: 00358711 – Type: issn-print Value: 13652966 – Type: issn-locals Value: SWEPUB_FREE – Type: issn-locals Value: CTH_SWEPUB Numbering: – Type: volume Value: 505 – Type: issue Value: 3 Titles: – TitleFull: Monthly Notices of the Royal Astronomical Society Type: main |
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