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Explosion of Fast Spinning Sub-Chandrasekhar Mass White Dwarfs

Dominguez, Inma and Cabezon, Ruben and Garcia-Senz, Domingo. (2019) Explosion of Fast Spinning Sub-Chandrasekhar Mass White Dwarfs. In: Nuclei in the Cosmos XV, 219. Cham, pp. 347-350.

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Official URL: https://edoc.unibas.ch/75172/

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Abstract

We study the explosion of rotating sub-Chandrasekhar mass white dwarfs using three-dimensional hydrodynamic simulations. High rotational speeds are assumed in order to significantly distort the initial spherical geometry of the white dwarf. Unlike spherically symmetric models, when He-ignition is located far from the spinning axis the detonation wave trains arrive asynchronously to the antipodes. Models considering different masses of the He-shell, He-ignition locations and rotational velocities are analyzed. We study independently both, the detonation of the He-shell, artificially avoiding carbon-ignition, and the complete detonation of the white dwarf. Our calculations support the viability of the Double Detonation mechanism when the white dwarf is spinning fast.
Faculties and Departments:05 Faculty of Science > Departement Physik > Former Organization Units Physics > Theoretische Physik Astrophysik (Thielemann)
10 Zentrale universitäre Einrichtungen > SciCore
UniBasel Contributors:Cabezon, Ruben M.
Item Type:Conference or Workshop Item, refereed
Conference or workshop item Subtype:Conference Paper
Publisher:Springer
ISBN:978-3-030-13875-2
e-ISBN:978-3-030-13876-9
Series Name:Springer Proceedings in Physics book series
Note:Publication type according to Uni Basel Research Database: Conference paper
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Last Modified:23 Sep 2020 15:13
Deposited On:24 Feb 2020 14:11

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