Gamma-ray bursts as x-ray depth gauges of the universe

P. Mészáros; M. J. Rees

doi:10.1086/377294

Gamma-ray bursts as x-ray depth gauges of the universe

P. Mészáros, M. J. Rees

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Abstract

We discuss the X-ray flux of gamma-ray burst afterglows at redshifts in the range 3-30, including the effects of the intergalactic He II absorption. We point out that strong X-ray lines may form locally in burst afterglows starting minutes after the trigger. This can provide distinctive X-ray distance indicators out to the redshifts at which the first generation of massive stars form.

Original language	English (US)
Pages (from-to)	L91-L94
Journal	Astrophysical Journal
Volume	591
Issue number	2 II
DOIs	https://doi.org/10.1086/377294
State	Published - Jul 10 2003

All Science Journal Classification (ASJC) codes

Astronomy and Astrophysics
Space and Planetary Science

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10.1086/377294

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title = "Gamma-ray bursts as x-ray depth gauges of the universe",

abstract = "We discuss the X-ray flux of gamma-ray burst afterglows at redshifts in the range 3-30, including the effects of the intergalactic He II absorption. We point out that strong X-ray lines may form locally in burst afterglows starting minutes after the trigger. This can provide distinctive X-ray distance indicators out to the redshifts at which the first generation of massive stars form.",

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AB - We discuss the X-ray flux of gamma-ray burst afterglows at redshifts in the range 3-30, including the effects of the intergalactic He II absorption. We point out that strong X-ray lines may form locally in burst afterglows starting minutes after the trigger. This can provide distinctive X-ray distance indicators out to the redshifts at which the first generation of massive stars form.

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Gamma-ray bursts as x-ray depth gauges of the universe

Abstract

All Science Journal Classification (ASJC) codes

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