Constraints on the progenitor of cassiopeia A

Patrick Young; Chris L. Fryer; Aimee Hungerford; David Arnett; Gabriel Rockefeller; Francis Timmes; Benedict Voit; Casey Meakin; Kristoffer A. Eriksen

doi:10.1086/500108

Constraints on the progenitor of cassiopeia A

Patrick Young, Chris L. Fryer, Aimee Hungerford, David Arnett, Gabriel Rockefeller, Francis Timmes, Benedict Voit, Casey Meakin, Kristoffer A. Eriksen

Earth and Space Exploration, School of (SESE)

Research output: Contribution to journal › Article › peer-review

140 Scopus citations

Abstract

We compare a suite of three-dimensional explosion calculations and stellar models incorporating advanced physics with observational constraints on the progenitor of Cassiopeia A. We consider binary and single stars from 16 to 40 M_⊙ with a range of explosion energies and geometries. The parameter space allowed by observations of nitrogen-rich high-velocity ejecta, ejecta mass, compact remnant mass, and ⁴⁴Ti and ⁵⁶Ni abundances individually and as an ensemble is considered. A progenitor of 15-25 M_⊙ that loses its hydrogen envelope to a binary interaction and undergoes an energetic explosion can match all the observational constraints.

Original language	English (US)
Pages (from-to)	891-900
Number of pages	10
Journal	Astrophysical Journal
Volume	640
Issue number	2 I
DOIs	https://doi.org/10.1086/500108
State	Published - Apr 1 2006

Keywords

Hydrodynamics
Nuclear reactions, nucleosynthesis, abundances
Stars: Evolution
Supernova remnants
Supernovae: individual (Cassiopeia A)

ASJC Scopus subject areas

Astronomy and Astrophysics
Space and Planetary Science

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10.1086/500108

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title = "Constraints on the progenitor of cassiopeia A",

abstract = "We compare a suite of three-dimensional explosion calculations and stellar models incorporating advanced physics with observational constraints on the progenitor of Cassiopeia A. We consider binary and single stars from 16 to 40 M⊙ with a range of explosion energies and geometries. The parameter space allowed by observations of nitrogen-rich high-velocity ejecta, ejecta mass, compact remnant mass, and 44Ti and 56Ni abundances individually and as an ensemble is considered. A progenitor of 15-25 M⊙ that loses its hydrogen envelope to a binary interaction and undergoes an energetic explosion can match all the observational constraints.",

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T1 - Constraints on the progenitor of cassiopeia A

AU - Young, Patrick

AU - Fryer, Chris L.

AU - Hungerford, Aimee

AU - Arnett, David

AU - Rockefeller, Gabriel

AU - Timmes, Francis

AU - Voit, Benedict

AU - Meakin, Casey

AU - Eriksen, Kristoffer A.

PY - 2006/4/1

Y1 - 2006/4/1

N2 - We compare a suite of three-dimensional explosion calculations and stellar models incorporating advanced physics with observational constraints on the progenitor of Cassiopeia A. We consider binary and single stars from 16 to 40 M⊙ with a range of explosion energies and geometries. The parameter space allowed by observations of nitrogen-rich high-velocity ejecta, ejecta mass, compact remnant mass, and 44Ti and 56Ni abundances individually and as an ensemble is considered. A progenitor of 15-25 M⊙ that loses its hydrogen envelope to a binary interaction and undergoes an energetic explosion can match all the observational constraints.

AB - We compare a suite of three-dimensional explosion calculations and stellar models incorporating advanced physics with observational constraints on the progenitor of Cassiopeia A. We consider binary and single stars from 16 to 40 M⊙ with a range of explosion energies and geometries. The parameter space allowed by observations of nitrogen-rich high-velocity ejecta, ejecta mass, compact remnant mass, and 44Ti and 56Ni abundances individually and as an ensemble is considered. A progenitor of 15-25 M⊙ that loses its hydrogen envelope to a binary interaction and undergoes an energetic explosion can match all the observational constraints.

KW - Hydrodynamics

KW - Nuclear reactions, nucleosynthesis, abundances

KW - Stars: Evolution

KW - Supernova remnants

KW - Supernovae: individual (Cassiopeia A)

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JF - Astrophysical Journal

IS - 2 I

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Constraints on the progenitor of cassiopeia A

Abstract

Keywords

ASJC Scopus subject areas

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