Search Results - "Siess, Lionel"

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    Super- and massive AGB stars – IV. Final fates – initial-to-final mass relation by Doherty, Carolyn L, Gil-Pons, Pilar, Siess, Lionel, Lattanzio, John C, Lau, Herbert H B

    “…We explore the final fates of massive intermediate-mass stars by computing detailed stellar models from the zero-age main sequence until near the end of the…”
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    The intermediate neutron-capture process in AGB stars by Choplin, Arthur, Siess, Lionel, Goriely, Stephane

    Published in EPJ Web of conferences (2023)
    “…The intermediate neutron-capture process is thought to arise when protons are mixed in a convective helium-burning zone. This can happen during the early…”
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    Super and massive AGB stars – III. Nucleosynthesis in metal-poor and very metal-poor stars – Z = 0.001 and 0.0001 by Doherty, Carolyn L., Gil-Pons, Pilar, Lau, Herbert H. B., Lattanzio, John C., Siess, Lionel, Campbell, Simon W.

    “…We present a new grid of stellar models and nucleosynthetic yields for super-AGB stars with metallicities Z = 0.001 and 0.0001, applicable for use within…”
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    Production of Lithium and Heavy Elements in AGB Stars Experiencing PIEs by Choplin, Arthur, Siess, Lionel, Goriely, Stephane, Martinet, Sebastien

    Published in Galaxies (01-10-2024)
    “…Asymptotic giant branch (AGB) stars can experience proton ingestion events (PIEs), leading to a rich nucleosynthesis. During a PIE, the intermediate neutron…”
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    Insights into AGB Nucleosynthesis Thanks to Spectroscopic Abundance Measurements in Intrinsic and Extrinsic Stars by Van Eck, Sophie, Shetye, Shreeya, Siess, Lionel

    Published in Universe (Basel) (29-03-2022)
    “…The foundations of stellar nucleosynthesis have been established more than 70 years ago. Since then, much progress has been made, both on the theoretical side,…”
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    Carbon-enhanced metal-poor stars enriched in s-process and r-process elements by Karinkuzhi, Drisya, Van Eck, Sophie, Jorissen, Alain, Goriely, Stephane, Siess, Lionel, Merle, Thibault, Masseron, Thomas

    Published in Journal of astrophysics and astronomy (01-12-2020)
    “…We present an on-going project consisting of analysis of a sample of twenty-five metal-poor stars, most of them carbon-enriched and thus tagged carbon-enhanced…”
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    Short-lived radioactivity in the early solar system: The Super-AGB star hypothesis by LUGARO, Maria, DOHERTY, Carolyn L., KARAKAS, Amanda I., MADDISON, Sarah T., LIFFMAN, Kurt, GARCÍA-HERNÁNDEZ, D. A., SIESS, Lionel, LATTANZIO, John C.

    Published in Meteoritics & planetary science (01-12-2012)
    “…– The composition of the most primitive solar system condensates, such as calcium‐aluminum‐rich inclusions (CAIs) and micron‐sized corundum grains, show that…”
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    HOT JUPITERS AND COOL STARS by VILLAVER, EVA, Livio, Mario, MUSTILL, ALEXANDER J, Siess, Lionel

    Published in The Astrophysical journal (10-10-2014)
    “…Close-in planets are in jeopardy, as their host stars evolve off the main sequence (MS) to the subgiant and red giant phases. In this paper, we explore the…”
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    Super and massive AGB stars - II. Nucleosynthesis and yields - Z = 0.02, 0.008 and 0.004 by Doherty, Carolyn L., Gil-Pons, Pilar, Lau, Herbert H. B, Lattanzio, John C., Siess, Lionel

    “…We have computed detailed evolution and nucleosynthesis models for super and massive asymptotic giant branch (AGB) stars over the mass range 6.5-9.0 M in…”
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    X-shooter survey of young intermediate-mass stars – I. Stellar characterization and disc evolution by Iglesias, Daniela P, Panić, Olja, van den Ancker, Mario, Petr-Gotzens, Monika G, Siess, Lionel, Vioque, Miguel, Pascucci, Ilaria, Oudmaijer, René, Miley, James

    “…ABSTRACT Intermediate-mass stars (IMSs) represent the link between low-mass and high-mass stars, and cover a key mass range for giant planet formation. In this…”
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    Dust formation in common envelope binary interaction – I: 3D simulations using the Bowen approximation by González-Bolívar, Miguel, De Marco, Orsola, Bermúdez-Bustamante, Luis C, Siess, Lionel, Price, Daniel J

    “…ABSTRACT We carried out 3D smoothed particle hydrodynamics simulations of the common envelope binary interaction using the approximation of Bowen to calculate…”
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    The accretion of brown dwarfs and planets by giant stars — II. Solar-mass stars on the red giant branch by Siess, Lionel, Livio, Mario

    “…This paper extends our previous study of planet/brown dwarf accretion by giant stars to solar-mass stars located on the red giant branch. The model assumes…”
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    The planets capture model of V838 Monocerotis: conclusions for the penetration depth of the planet(s) by Retter, Alon, Zhang, Bing, Siess, Lionel, Levinson, Amir

    “…V838 Mon is the prototype of a new class of objects. Understanding the nature of its multistage outburst and similar systems is challenging. So far, several…”
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    The accretion of brown dwarfs and planets by giant stars — I. Asymptotic giant branch stars by Siess, Lionel, Livio, Mario

    “…We study the response of the structure of an asymptotic giant branch (AGB) star to the accretion of a brown dwarf or planet in its interior. In particular, we…”
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    Dust Formation in Common Envelope Binary Interaction -- I: 3D Simulations Using the Bowen Approximation by González-Bolívar, Miguel, Bermúdez-Bustamante, Luis C, De Marco, Orsola, Siess, Lionel, Price, Daniel J, Kasliwal, Mansi

    Published 14-04-2024
    “…We carried out 3D smoothed particle hydrodynamics simulations of the common envelope binary interaction using the approximation of Bowen to calculate the dust…”
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    Impact of HI cooling and study of accretion disks in AGB wind-companion smoothed particle hydrodynamic simulations by Malfait, Jolien, Siess, Lionel, Esseldeurs, Mats, De Ceuster, Frederik, Wallström, Sofia H. J, de Koter, Alex, Decin, Leen

    Published 23-08-2024
    “…A&A 691, A84 (2024) High-resolution observations reveal that the outflows of evolved low- and intermediate-mass stars harbour complex morphological structures…”
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