Delayed X-ray afterglows from obscured gamma-ray bursts in star-forming regions

Peter Mészáros; Andrei Gruzinov

doi:10.1086/318175

Delayed X-ray afterglows from obscured gamma-ray bursts in star-forming regions

Peter Mészáros, Andrei Gruzinov

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

Abstract

For gamma-ray bursts occurring in dense star-forming regions, the X-ray afterglow behavior minutes to days after the trigger may be dominated by the small-angle scattering of the prompt X-ray emission off dust grains. We give a simple illustrative model for the X-ray light curves at different X-ray energies and discuss possible implications. A bump followed by a steeper decay in soft X-rays is predicted for bursts that are heavily obscured in the optical.

Original language	English (US)
Pages (from-to)	L35-L37
Journal	Astrophysical Journal
Volume	543
Issue number	1 PART 2
DOIs	https://doi.org/10.1086/318175
State	Published - Nov 1 2000

Keywords

Gamma rays: bursts
Radiation mechanisms: thermal

ASJC Scopus subject areas

Astronomy and Astrophysics
Space and Planetary Science

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10.1086/318175

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abstract = "For gamma-ray bursts occurring in dense star-forming regions, the X-ray afterglow behavior minutes to days after the trigger may be dominated by the small-angle scattering of the prompt X-ray emission off dust grains. We give a simple illustrative model for the X-ray light curves at different X-ray energies and discuss possible implications. A bump followed by a steeper decay in soft X-rays is predicted for bursts that are heavily obscured in the optical.",

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AU - Gruzinov, Andrei

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N2 - For gamma-ray bursts occurring in dense star-forming regions, the X-ray afterglow behavior minutes to days after the trigger may be dominated by the small-angle scattering of the prompt X-ray emission off dust grains. We give a simple illustrative model for the X-ray light curves at different X-ray energies and discuss possible implications. A bump followed by a steeper decay in soft X-rays is predicted for bursts that are heavily obscured in the optical.

AB - For gamma-ray bursts occurring in dense star-forming regions, the X-ray afterglow behavior minutes to days after the trigger may be dominated by the small-angle scattering of the prompt X-ray emission off dust grains. We give a simple illustrative model for the X-ray light curves at different X-ray energies and discuss possible implications. A bump followed by a steeper decay in soft X-rays is predicted for bursts that are heavily obscured in the optical.

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KW - Radiation mechanisms: thermal

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IS - 1 PART 2

ER -

Delayed X-ray afterglows from obscured gamma-ray bursts in star-forming regions

Abstract

Keywords

ASJC Scopus subject areas

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