• Login
    View Item 
    •   Home
    • UA Faculty Research
    • UA Faculty Publications
    • View Item
    •   Home
    • UA Faculty Research
    • UA Faculty Publications
    • View Item
    JavaScript is disabled for your browser. Some features of this site may not work without it.

    Browse

    All of UA Campus RepositoryCommunitiesTitleAuthorsIssue DateSubmit DateSubjectsPublisherJournalThis CollectionTitleAuthorsIssue DateSubmit DateSubjectsPublisherJournal

    My Account

    LoginRegister

    About

    AboutUA Faculty PublicationsUA DissertationsUA Master's ThesesUA Honors ThesesUA PressUA YearbooksUA CatalogsUA Libraries

    Statistics

    Most Popular ItemsStatistics by CountryMost Popular Authors

    A remnant planetary core in the hot-Neptune desert

    • CSV
    • RefMan
    • EndNote
    • BibTex
    • RefWorks
    Thumbnail
    Name:
    manuscript.pdf
    Size:
    5.117Mb
    Format:
    PDF
    Description:
    Final Accepted Manuscript
    Download
    Author
    Armstrong, David J
    Lopez, Théo A
    Adibekyan, Vardan
    Booth, Richard A
    Bryant, Edward M
    Collins, Karen A
    Deleuil, Magali
    Emsenhuber, Alexandre
    Huang, Chelsea X
    King, George W
    Lillo-Box, Jorge
    Lissauer, Jack J
    Matthews, Elisabeth
    Mousis, Olivier
    Nielsen, Louise D
    Osborn, Hugh
    Otegi, Jon
    Santos, Nuno C
    Sousa, Sérgio G
    Stassun, Keivan G
    Veras, Dimitri
    Ziegler, Carl
    Acton, Jack S
    Almenara, Jose M
    Anderson, David R
    Barrado, David
    Barros, Susana C C
    Bayliss, Daniel
    Belardi, Claudia
    Bouchy, Francois
    Briceño, César
    Brogi, Matteo
    Brown, David J A
    Burleigh, Matthew R
    Casewell, Sarah L
    Chaushev, Alexander
    Ciardi, David R
    Collins, Kevin I
    Colón, Knicole D
    Cooke, Benjamin F
    Crossfield, Ian J M
    Díaz, Rodrigo F
    Mena, Elisa Delgado
    Demangeon, Olivier D S
    Dorn, Caroline
    Dumusque, Xavier
    Eigmüller, Philipp
    Fausnaugh, Michael
    Figueira, Pedro
    Gan, Tianjun
    Gandhi, Siddharth
    Gill, Samuel
    Gonzales, Erica J
    Goad, Michael R
    Günther, Maximilian N
    Helled, Ravit
    Hojjatpanah, Saeed
    Howell, Steve B
    Jackman, James
    Jenkins, James S
    Jenkins, Jon M
    Jensen, Eric L N
    Kennedy, Grant M
    Latham, David W
    Law, Nicholas
    Lendl, Monika
    Lozovsky, Michael
    Mann, Andrew W
    Moyano, Maximiliano
    McCormac, James
    Meru, Farzana
    Mordasini, Christoph
    Osborn, Ares
    Pollacco, Don
    Queloz, Didier
    Raynard, Liam
    Ricker, George R
    Rowden, Pamela
    Santerne, Alexandre
    Schlieder, Joshua E
    Seager, Sara
    Sha, Lizhou
    Tan, Thiam-Guan
    Tilbrook, Rosanna H
    Ting, Eric
    Udry, Stéphane
    Vanderspek, Roland
    Watson, Christopher A
    West, Richard G
    Wilson, Paul A
    Winn, Joshua N
    Wheatley, Peter
    Villasenor, Jesus Noel
    Vines, Jose I
    Zhan, Zhuchang
    Show allShow less
    Affiliation
    Univ Arizona, Lunar & Planetary Lab
    Issue Date
    2020-07-02
    
    Metadata
    Show full item record
    Publisher
    NATURE PUBLISHING GROUP
    Citation
    Armstrong, D.J., Lopez, T.A., Adibekyan, V. et al. A remnant planetary core in the hot-Neptune desert. Nature 583, 39–42 (2020). https://doi.org/10.1038/s41586-020-2421-7
    Journal
    NATURE
    Rights
    © The Author(s), under exclusive licence to Springer Nature Limited 2020.
    Collection Information
    This item from the UA Faculty Publications collection is made available by the University of Arizona with support from the University of Arizona Libraries. If you have questions, please contact us at repository@u.library.arizona.edu.
    Abstract
    The interiors of giant planets remain poorly understood. Even for the planets in the Solar System, difficulties in observation lead to large uncertainties in the properties of planetary cores. Exoplanets that have undergone rare evolutionary processes provide a route to understanding planetary interiors. Planets found in and near the typically barren hot-Neptune 'desert'1,2 (a region in mass-radius space that contains few planets) have proved to be particularly valuable in this regard. These planets include HD149026b3, which is thought to have an unusually massive core, and recent discoveries such as LTT9779b4 and NGTS-4b5, on which photoevaporation has removed a substantial part of their outer atmospheres. Here we report observations of the planet TOI-849b, which has a radius smaller than Neptune's but an anomalously large mass of [Formula: see text] Earth masses and a density of [Formula: see text] grams per cubic centimetre, similar to Earth's. Interior-structure models suggest that any gaseous envelope of pure hydrogen and helium consists of no more than [Formula: see text] per cent of the total planetary mass. The planet could have been a gas giant before undergoing extreme mass loss via thermal self-disruption or giant planet collisions, or it could have avoided substantial gas accretion, perhaps through gap opening or late formation6. Although photoevaporation rates cannot account for the mass loss required to reduce a Jupiter-like gas giant, they can remove a small (a few Earth masses) hydrogen and helium envelope on timescales of several billion years, implying that any remaining atmosphere on TOI-849b is likely to be enriched by water or other volatiles from the planetary interior. We conclude that TOI-849b is the remnant core of a giant planet.
    Note
    6 month embargo; published online: 1 July 2020
    ISSN
    0028-0836
    EISSN
    1476-4687
    PubMed ID
    32612222
    DOI
    10.1038/s41586-020-2421-7
    Version
    Final accepted manuscript
    ae974a485f413a2113503eed53cd6c53
    10.1038/s41586-020-2421-7
    Scopus Count
    Collections
    UA Faculty Publications

    entitlement

    Related articles

    • A super-massive Neptune-sized planet.
    • Authors: Naponiello L, Mancini L, Sozzetti A, Bonomo AS, Morbidelli A, Dou J, Zeng L, Leinhardt ZM, Biazzo K, Cubillos PE, Pinamonti M, Locci D, Maggio A, Damasso M, Lanza AF, Lissauer JJ, Collins KA, Carter PJ, Jensen ELN, Bignamini A, Boschin W, Bouma LG, Ciardi DR, Cosentino R, Crossfield I, Desidera S, Dumusque X, Fiorenzano AFM, Fukui A, Giacobbe P, Gnilka CL, Ghedina A, Guilluy G, Harutyunyan A, Howell SB, Jenkins JM, Lund MB, Kielkopf JF, Lester KV, Malavolta L, Mann AW, Matson RA, Matthews EC, Nardiello D, Narita N, Pace E, Pagano I, Palle E, Pedani M, Seager S, Schlieder JE, Schwarz RP, Shporer A, Twicken JD, Winn JN, Ziegler C, Zingales T
    • Issue date: 2023 Oct
    • Interiors of giant planets inside and outside the solar system.
    • Authors: Guillot T
    • Issue date: 1999 Oct 1
    • Discovery of a cool planet of 5.5 Earth masses through gravitational microlensing.
    • Authors: Beaulieu JP, Bennett DP, Fouqué P, Williams A, Dominik M, Jørgensen UG, Kubas D, Cassan A, Coutures C, Greenhill J, Hill K, Menzies J, Sackett PD, Albrow M, Brillant S, Caldwell JA, Calitz JJ, Cook KH, Corrales E, Desort M, Dieters S, Dominis D, Donatowicz J, Hoffman M, Kane S, Marquette JB, Martin R, Meintjes P, Pollard K, Sahu K, Vinter C, Wambsganss J, Woller K, Horne K, Steele I, Bramich DM, Burgdorf M, Snodgrass C, Bode M, Udalski A, Szymański MK, Kubiak M, Wieckowski T, Pietrzyński G, Soszyński I, Szewczyk O, Wyrzykowski L, Paczyński B, Abe F, Bond IA, Britton TR, Gilmore AC, Hearnshaw JB, Itow Y, Kamiya K, Kilmartin PM, Korpela AV, Masuda K, Matsubara Y, Motomura M, Muraki Y, Nakamura S, Okada C, Ohnishi K, Rattenbury NJ, Sako T, Sato S, Sasaki M, Sekiguchi T, Sullivan DJ, Tristram PJ, Yock PC, Yoshioka T
    • Issue date: 2006 Jan 26
    • M stars as targets for terrestrial exoplanet searches and biosignature detection.
    • Authors: Scalo J, Kaltenegger L, Segura A, Fridlund M, Ribas I, Kulikov YN, Grenfell JL, Rauer H, Odert P, Leitzinger M, Selsis F, Khodachenko ML, Eiroa C, Kasting J, Lammer H
    • Issue date: 2007 Feb
    • Structure of exoplanets.
    • Authors: Spiegel DS, Fortney JJ, Sotin C
    • Issue date: 2014 Sep 2
    The University of Arizona Libraries | 1510 E. University Blvd. | Tucson, AZ 85721-0055
    Tel 520-621-6442 | repository@u.library.arizona.edu
    DSpace software copyright © 2002-2017  DuraSpace
    Quick Guide | Contact Us | Send Feedback
    Open Repository is a service operated by 
    Atmire NV
     

    Export search results

    The export option will allow you to export the current search results of the entered query to a file. Different formats are available for download. To export the items, click on the button corresponding with the preferred download format.

    By default, clicking on the export buttons will result in a download of the allowed maximum amount of items.

    To select a subset of the search results, click "Selective Export" button and make a selection of the items you want to export. The amount of items that can be exported at once is similarly restricted as the full export.

    After making a selection, click one of the export format buttons. The amount of items that will be exported is indicated in the bubble next to export format.