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Sökning: onr:"swepub:oai:DiVA.org:uu-510350" > A close-in giant pl...

LIBRIS Formathandbok  (Information om MARC21)
FältnamnIndikatorerMetadata
00007589naa a2200769 4500
001oai:DiVA.org:uu-510350
003SwePub
008230828s2023 | |||||||||||000 ||eng|
0247 a https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-5103502 URI
0247 a https://doi.org/10.1038/s41586-023-06029-02 DOI
040 a (SwePub)uu
041 a engb eng
042 9 SwePub
072 7a ref2 swepub-contenttype
072 7a art2 swepub-publicationtype
1001 a Hon, Marcu Univ Hawaii, Inst Astron, Honolulu, HI 96822 USA.4 aut
2451 0a A close-in giant planet escapes engulfment by its star
264 1b Springer Nature,c 2023
338 a print2 rdacarrier
520 a When main-sequence stars expand into red giants, they are expected to engulf close-in planets(1-5). Until now, the absence of planets with short orbital periods around post-expansion, core-helium-burning red giants(6-8) has been interpreted as evidence that short-period planets around Sun-like stars do not survive the giant expansion phase of their host stars(9). Here we present the discovery that the giant planet 8 Ursae Minoris b(10) orbits a core-helium-burning red giant. At a distance of only 0.5 au from its host star, the planet would have been engulfed by its host star, which is predicted by standard single-star evolution to have previously expanded to a radius of 0.7 au. Given the brief lifetime of helium-burning giants, the nearly circular orbit of the planet is challenging to reconcile with scenarios in which the planet survives by having a distant orbit initially. Instead, the planet may have avoided engulfment through a stellar merger that either altered the evolution of the host star or produced 8 Ursae Minoris b as a second-generation planet(11). This system shows that core-helium-burning red giants can harbour close planets and provides evidence for the role of non-canonical stellar evolution in the extended survival of late-stage exoplanetary systems.
650 7a NATURVETENSKAPx Fysikx Astronomi, astrofysik och kosmologi0 (SwePub)103052 hsv//swe
650 7a NATURAL SCIENCESx Physical Sciencesx Astronomy, Astrophysics and Cosmology0 (SwePub)103052 hsv//eng
7001 a Huber, Danielu Univ Hawaii, Inst Astron, Honolulu, HI 96822 USA.;Univ Sydney, Sydney Inst Astron SIfA, Sch Phys, Camperdown, NSW, Australia.4 aut
7001 a Rui, Nicholas Z.u CALTECH, TAPIR, Pasadena, CA USA.4 aut
7001 a Fuller, Jimu CALTECH, TAPIR, Pasadena, CA USA.4 aut
7001 a Veras, Dimitriu Univ Warwick, Ctr Exoplanets & Habitabil, Coventry, England.;Univ Warwick, Ctr Space Domain Awareness, Coventry, England.;Univ Warwick, Dept Phys, Coventry, England.4 aut
7001 a Kuszlewicz, James S.u Heidelberg Univ, Ctr Astron Landessternwarte, Heidelberg, Germany.;Aarhus Univ, Stellar Astrophys Ctr, Dept Phys & Astron, Aarhus, Denmark.4 aut
7001 a Kochukhov, Olegu Uppsala universitet,Observationell astrofysik4 aut0 (Swepub:uu)oko28508
7001 a Stokholm, Amalieu Aarhus Univ, Stellar Astrophys Ctr, Dept Phys & Astron, Aarhus, Denmark.;Univ Bologna, Dipartimento Fis & Astron, Bologna, Italy.;INAF Osservatorio Astrofis & Sci Spazio Bologna, Bologna, Italy.4 aut
7001 a Rørsted, Jakob Lysgaardu Aarhus Univ, Stellar Astrophys Ctr, Dept Phys & Astron, Aarhus, Denmark.4 aut
7001 a Yildiz, Mutluu Ege Univ, Sci Fac, Dept Astron & Space Sci, Izmir, Turkiye.4 aut
7001 a Orhan, Zeynep Celiku Ege Univ, Sci Fac, Dept Astron & Space Sci, Izmir, Turkiye.4 aut
7001 a Örtel, Sibelu Ege Univ, Sci Fac, Dept Astron & Space Sci, Izmir, Turkiye.4 aut
7001 a Jiang, Chenu Max Planck Inst Sonnensyst Forsch, Gottingen, Germany.4 aut
7001 a Hey, Daniel R.u Univ Hawaii, Inst Astron, Honolulu, HI 96822 USA.4 aut
7001 a Isaacson, Howardu Univ Calif Berkeley, Dept Astron, Berkeley, CA USA.4 aut
7001 a Zhang, Jingwenu Univ Hawaii, Inst Astron, Honolulu, HI 96822 USA.4 aut
7001 a Vrard, Mathieuu Ohio State Univ, Dept Astron, Columbus, OH USA.4 aut
7001 a Stassun, Keivan G.u Vanderbilt Univ, Dept Phys & Astron, Nashville, TN USA.4 aut
7001 a Shappee, Benjamin J.u Univ Hawaii, Inst Astron, Honolulu, HI 96822 USA.4 aut
7001 a Tayar, Jamieu Univ Hawaii, Inst Astron, Honolulu, HI 96822 USA.;Univ Florida, Bryant Space Sci Ctr, Dept Astron, Gainesville, FL USA.4 aut
7001 a Claytor, Zachary R.u Univ Hawaii, Inst Astron, Honolulu, HI 96822 USA.;Univ Florida, Bryant Space Sci Ctr, Dept Astron, Gainesville, FL USA.4 aut
7001 a Beard, Coreyu Univ Calif Irvine, Dept Phys & Astron, Irvine, CA USA.4 aut
7001 a Bedding, Timothy R.u Univ Sydney, Sydney Inst Astron SIfA, Sch Phys, Camperdown, NSW, Australia.4 aut
7001 a Brinkman, Caseyu Univ Hawaii, Inst Astron, Honolulu, HI 96822 USA.4 aut
7001 a Campante, Tiago L.u Univ Porto, Inst Astrofis & Ciencias Espaco, CAUP, Porto, Portugal.;Univ Porto, Fac Ciencias, Dept Fis & Astron, Porto, Portugal.4 aut
7001 a Chaplin, William J.u Univ Birmingham, Sch Phys & Astron, Birmingham, England.4 aut
7001 a Chontos, Ashleyu Univ Hawaii, Inst Astron, Honolulu, HI 96822 USA.;Princeton Univ, Dept Astrophys Sci, Princeton, NJ USA.4 aut
7001 a Giacalone, Stevenu Max Planck Inst Sonnensyst Forsch, Gottingen, Germany.4 aut
7001 a Holcomb, Raeu Univ Florida, Bryant Space Sci Ctr, Dept Astron, Gainesville, FL USA.4 aut
7001 a Howard, Andrew W.u CALTECH, Dept Astron, Pasadena, CA USA.4 aut
7001 a Lubin, Jacku Univ Florida, Bryant Space Sci Ctr, Dept Astron, Gainesville, FL USA.4 aut
7001 a MacDougall, Masonu Univ Calif Los Angeles, Dept Phys & Astron, Los Angeles, CA USA.4 aut
7001 a Montet, Benjamin T.u Univ New South Wales, Sch Phys, Sydney, NSW, Australia.;Univ New South Wales, UNSW Data Sci Hub, Sydney, NSW, Australia.;Univ New South Wales, Australian Ctr Astrobiol, Sydney, NSW, Australia.4 aut
7001 a Murphy, Joseph M. A.u Univ Calif Santa Cruz, Dept Astron & Astrophys, Santa Cruz, CA USA.4 aut
7001 a Ong, Joelu Univ Hawaii, Inst Astron, Honolulu, HI 96822 USA.;Yale Univ, Dept Astron, New Haven, CT USA.4 aut
7001 a Pidhorodetska, Dariau Univ Calif Riverside, Dept Earth & Planetary Sci, Riverside, CA USA.4 aut
7001 a Polanski, Alex S.u Univ Kansas, Dept Phys & Astron, Lawrence, KS USA.4 aut
7001 a Rice, Malenau Yale Univ, Dept Astron, New Haven, CT USA.;MIT, Dept Phys, Cambridge, MA USA.;MIT, Kavli Inst Astrophys & Space Res, Cambridge, MA USA.4 aut
7001 a Stello, Dennisu Univ Sydney, Sydney Inst Astron SIfA, Sch Phys, Camperdown, NSW, Australia.;Univ New South Wales, Sch Phys, Sydney, NSW, Australia.;ARC Ctr Excellence All Sky Astrophys Three Dimens, Sydney, NSW, Australia.4 aut
7001 a Tyler, Dakotahu Univ Calif Los Angeles, Dept Phys & Astron, Los Angeles, CA USA.4 aut
7001 a Van Zandt, Judahu Univ Calif Los Angeles, Dept Phys & Astron, Los Angeles, CA USA.4 aut
7001 a Weiss, Lauren M.u Univ Notre Dame, Dept Phys & Astron, Notre Dame, IN USA.4 aut
7102 a Univ Hawaii, Inst Astron, Honolulu, HI 96822 USA.b Univ Hawaii, Inst Astron, Honolulu, HI 96822 USA.;Univ Sydney, Sydney Inst Astron SIfA, Sch Phys, Camperdown, NSW, Australia.4 org
7730 t Natured : Springer Natureg 618:7967, s. 917-920q 618:7967<917-920x 0028-0836x 1476-4687
8564 8u https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-510350
8564 8u https://doi.org/10.1038/s41586-023-06029-0

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