X-ray line and recombination emission in the afterglow of GRB

S. Sugiyama; S. Yamada; H. Takabe

doi:10.1007/s10509-005-3962-9

X-ray line and recombination emission in the afterglow of GRB

S. Sugiyama, S. Yamada, H. Takabe

School of Advanced Science and Engineering

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

Abstract

We calculate the time-dependent line and recombination spectrum of nonequilibrium plasma heated by the strong radiation as the test model of X-ray line emission of GRB afterglows. Our calculation shows that the non-equilibrium effect of plasma is complex and important to the time evolution of the spectrum. The origin of these lines puzzles us, but is essential to understand the nature of GRBs and their circumstellar matter.

Original language	English
Pages (from-to)	323-326
Number of pages	4
Journal	Astrophysics and Space Science
Volume	298
Issue number	1-2
DOIs	https://doi.org/10.1007/s10509-005-3962-9
Publication status	Published - 2005 Jun 1

Keywords

Afterglow
GRB
X-ray line

ASJC Scopus subject areas

Astronomy and Astrophysics
Space and Planetary Science

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T1 - X-ray line and recombination emission in the afterglow of GRB

AU - Sugiyama, S.

AU - Yamada, S.

AU - Takabe, H.

PY - 2005/6/1

Y1 - 2005/6/1

N2 - We calculate the time-dependent line and recombination spectrum of nonequilibrium plasma heated by the strong radiation as the test model of X-ray line emission of GRB afterglows. Our calculation shows that the non-equilibrium effect of plasma is complex and important to the time evolution of the spectrum. The origin of these lines puzzles us, but is essential to understand the nature of GRBs and their circumstellar matter.

AB - We calculate the time-dependent line and recombination spectrum of nonequilibrium plasma heated by the strong radiation as the test model of X-ray line emission of GRB afterglows. Our calculation shows that the non-equilibrium effect of plasma is complex and important to the time evolution of the spectrum. The origin of these lines puzzles us, but is essential to understand the nature of GRBs and their circumstellar matter.

KW - Afterglow

KW - GRB

KW - X-ray line

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JF - Astrophysics and Space Science

SN - 0004-640X

IS - 1-2

ER -

X-ray line and recombination emission in the afterglow of GRB

Abstract

Keywords

ASJC Scopus subject areas

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