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Autor principal:	Todd A. Thompson
Formato:	Artículo científico
Lenguaje:	en
Publicado:	Universidad Nacional Autónoma de México 2007
Materias:	Física, Astronomía y Matemáticas outflows stars: winds stars: neutron Gamma rays: bursts supernovae: general
Acceso en línea:	https://www.redalyc.org/articulo.oa?id=57102709
Etiquetas:	Agregar Etiqueta Sin Etiquetas, Sea el primero en etiquetar este registro!

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author	Todd A. Thompson
author_facet	Todd A. Thompson
contents	Assessing Millisecond Proto-Magnetars as GRB Central Engines Todd A. Thompson Física, Astronomía y Matemáticas outflows stars: winds stars: neutron Gamma rays: bursts supernovae: general Magnetars are a sizable subclass of the neutron star census. Their very high magnetic field strengths arethought to be a consequence of rapid (millisecond) rotation at birth in a successful core-collapse supernova.In their first tens of seconds of existence, magnetars transition from hot, extended "proto-"magnetars to thecooled and magnetically-dominated objects we identify ~10 4 years later as Soft Gamma-ray Repeaters (SGRs)and Anamolous X-ray Pulsars (AXPs). Millisecond proto-magnetar winds during this cooling phase likewisetransition from non-relativistic and thermally-driven to magneto-centrifugally-driven, and finally to relativistic and Poynting-flux dominated. Here we review the basic considerations associated with that transition. In particular, we discuss the spindown of millisecond proto-magnetars throughout the Kelvin-Helmholtz cooling epoch. Because of their large reservoir of rotational energy, their association with supernovae, and the fact that their winds are expected to become highly relativistic in the seconds after their birth, proto-magnetarshave been suggested as the central engine of long-duration gamma ray bursts. We discuss some of the issuesand outstanding questions in assessing them as such. 2007 artículo científico 0185-1101 https://www.redalyc.org/articulo.oa?id=57102709 en http://www.redalyc.org/revista.oa?id=571 Revista Mexicana de Astronomía y Astrofísica application/pdf Universidad Nacional Autónoma de México Revista Mexicana de Astronomía y Astrofísica (México) Vol.27
format	Artículo científico
id	redalyc_57102709
language	en
publishDate	2007
publisher	Universidad Nacional Autónoma de México
spellingShingle	Assessing Millisecond Proto-Magnetars as GRB Central Engines Todd A. Thompson Física, Astronomía y Matemáticas outflows stars: winds stars: neutron Gamma rays: bursts supernovae: general Assessing Millisecond Proto-Magnetars as GRB Central Engines Todd A. Thompson Física, Astronomía y Matemáticas outflows stars: winds stars: neutron Gamma rays: bursts supernovae: general Magnetars are a sizable subclass of the neutron star census. Their very high magnetic field strengths arethought to be a consequence of rapid (millisecond) rotation at birth in a successful core-collapse supernova.In their first tens of seconds of existence, magnetars transition from hot, extended "proto-"magnetars to thecooled and magnetically-dominated objects we identify ~10 4 years later as Soft Gamma-ray Repeaters (SGRs)and Anamolous X-ray Pulsars (AXPs). Millisecond proto-magnetar winds during this cooling phase likewisetransition from non-relativistic and thermally-driven to magneto-centrifugally-driven, and finally to relativistic and Poynting-flux dominated. Here we review the basic considerations associated with that transition. In particular, we discuss the spindown of millisecond proto-magnetars throughout the Kelvin-Helmholtz cooling epoch. Because of their large reservoir of rotational energy, their association with supernovae, and the fact that their winds are expected to become highly relativistic in the seconds after their birth, proto-magnetarshave been suggested as the central engine of long-duration gamma ray bursts. We discuss some of the issuesand outstanding questions in assessing them as such. 2007 artículo científico 0185-1101 https://www.redalyc.org/articulo.oa?id=57102709 en http://www.redalyc.org/revista.oa?id=571 Revista Mexicana de Astronomía y Astrofísica application/pdf Universidad Nacional Autónoma de México Revista Mexicana de Astronomía y Astrofísica (México) Vol.27
title	Assessing Millisecond Proto-Magnetars as GRB Central Engines
topic	Física, Astronomía y Matemáticas outflows stars: winds stars: neutron Gamma rays: bursts supernovae: general
url	https://www.redalyc.org/articulo.oa?id=57102709

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