TYPE Ia SUPERNOVA PROGENITORS and CHEMICAL ENRICHMENT in HYDRODYNAMICAL SIMULATIONS. I. the SINGLE-DEGENERATE SCENARIO

The nature of the Type Ia supernova (SN Ia) progenitors remains uncertain. This is a major issue for galaxy evolution models since both chemical and energetic feedback plays a major role in the gas dynamics, star formation, and therefore the overall stellar evolution. The progenitor models for the S...

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Detalles Bibliográficos
Publicado: 2015
Materias:
galaxies: abundances
galaxies: evolution
galaxies: general
Galaxy: bulge
hydrodynamics
methods: numerical
Acceso en línea:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_0004637X_v810_n2_p_Jimenez
http://hdl.handle.net/20.500.12110/paper_0004637X_v810_n2_p_Jimenez
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Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) de Universidad de Buenos Aires
id paper:paper_0004637X_v810_n2_p_Jimenez
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spelling paper:paper_0004637X_v810_n2_p_Jimenez2023-06-08T14:29:15Z TYPE Ia SUPERNOVA PROGENITORS and CHEMICAL ENRICHMENT in HYDRODYNAMICAL SIMULATIONS. I. the SINGLE-DEGENERATE SCENARIO galaxies: abundances galaxies: evolution galaxies: general Galaxy: bulge hydrodynamics methods: numerical The nature of the Type Ia supernova (SN Ia) progenitors remains uncertain. This is a major issue for galaxy evolution models since both chemical and energetic feedback plays a major role in the gas dynamics, star formation, and therefore the overall stellar evolution. The progenitor models for the SNe Ia available in the literature propose different distributions for regulating the explosion times of these events. These functions are known as the delay time distributions (DTDs). This work is the first one in a series of papers aiming at studying five different DTDs for SNe Ia. Here we implement and analyze the single-degenerate (SD) scenario in galaxies dominated by a rapid quenching of the star formation, displaying the majority of the stars concentrated in the bulge component. We find a good fit to both the present observed SN Ia rates in spheroidal-dominated galaxies and the [O/Fe] ratios shown by the bulge of the Milky Way. Additionally, the SD scenario is found to reproduce a correlation between the specific SN Ia rate and the specific star formation rate (sSFR), which closely resembles the observational trend, at variance with previous works. Our results suggest that SN Ia observations in galaxies with very low and very high sSFRs can help to impose more stringent constraints on the DTDs and therefore on SN Ia progenitors. © 2015. The American Astronomical Society. All rights reserved. 2015 https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_0004637X_v810_n2_p_Jimenez http://hdl.handle.net/20.500.12110/paper_0004637X_v810_n2_p_Jimenez
institution Universidad de Buenos Aires
institution_str I-28
repository_str R-134
collection Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA)
topic galaxies: abundances
galaxies: evolution
galaxies: general
Galaxy: bulge
hydrodynamics
methods: numerical
spellingShingle galaxies: abundances
galaxies: evolution
galaxies: general
Galaxy: bulge
hydrodynamics
methods: numerical
TYPE Ia SUPERNOVA PROGENITORS and CHEMICAL ENRICHMENT in HYDRODYNAMICAL SIMULATIONS. I. the SINGLE-DEGENERATE SCENARIO
topic_facet galaxies: abundances
galaxies: evolution
galaxies: general
Galaxy: bulge
hydrodynamics
methods: numerical
description The nature of the Type Ia supernova (SN Ia) progenitors remains uncertain. This is a major issue for galaxy evolution models since both chemical and energetic feedback plays a major role in the gas dynamics, star formation, and therefore the overall stellar evolution. The progenitor models for the SNe Ia available in the literature propose different distributions for regulating the explosion times of these events. These functions are known as the delay time distributions (DTDs). This work is the first one in a series of papers aiming at studying five different DTDs for SNe Ia. Here we implement and analyze the single-degenerate (SD) scenario in galaxies dominated by a rapid quenching of the star formation, displaying the majority of the stars concentrated in the bulge component. We find a good fit to both the present observed SN Ia rates in spheroidal-dominated galaxies and the [O/Fe] ratios shown by the bulge of the Milky Way. Additionally, the SD scenario is found to reproduce a correlation between the specific SN Ia rate and the specific star formation rate (sSFR), which closely resembles the observational trend, at variance with previous works. Our results suggest that SN Ia observations in galaxies with very low and very high sSFRs can help to impose more stringent constraints on the DTDs and therefore on SN Ia progenitors. © 2015. The American Astronomical Society. All rights reserved.
title TYPE Ia SUPERNOVA PROGENITORS and CHEMICAL ENRICHMENT in HYDRODYNAMICAL SIMULATIONS. I. the SINGLE-DEGENERATE SCENARIO
title_short TYPE Ia SUPERNOVA PROGENITORS and CHEMICAL ENRICHMENT in HYDRODYNAMICAL SIMULATIONS. I. the SINGLE-DEGENERATE SCENARIO
title_full TYPE Ia SUPERNOVA PROGENITORS and CHEMICAL ENRICHMENT in HYDRODYNAMICAL SIMULATIONS. I. the SINGLE-DEGENERATE SCENARIO
title_fullStr TYPE Ia SUPERNOVA PROGENITORS and CHEMICAL ENRICHMENT in HYDRODYNAMICAL SIMULATIONS. I. the SINGLE-DEGENERATE SCENARIO
title_full_unstemmed TYPE Ia SUPERNOVA PROGENITORS and CHEMICAL ENRICHMENT in HYDRODYNAMICAL SIMULATIONS. I. the SINGLE-DEGENERATE SCENARIO
title_sort type ia supernova progenitors and chemical enrichment in hydrodynamical simulations. i. the single-degenerate scenario
publishDate 2015
url https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_0004637X_v810_n2_p_Jimenez
http://hdl.handle.net/20.500.12110/paper_0004637X_v810_n2_p_Jimenez
_version_ 1768544892263333888

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