Spectral features from ultrarelativistic ions in gamma-ray bursts?

P. Mészáros, M. J. Rees

Research output: Contribution to journalArticlepeer-review

43 Scopus citations

Abstract

Gamma-ray burst outflows may entrain small blobs or filaments of dense, highly ionized metal-rich material. Such inhomogeneities, accelerated by the flow to Lorentz factors in the range 10-100, could have a significant coverage factor and give rise to broad features, especially because of Fe K edges, which influence the spectrum below the MeV range, leading to a progressively decreasing hardness ratio.

Original languageEnglish (US)
Pages (from-to)L105-L108
JournalAstrophysical Journal
Volume502
Issue number2 PART 2
DOIs
StatePublished - Aug 1 1998

All Science Journal Classification (ASJC) codes

  • Astronomy and Astrophysics
  • Space and Planetary Science

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