Probing Sources of GRBs with the Two-Component Model

Details Probing Sources of GRBs with the Two-Component Model Probing Sources of GRBs with the Two-Component Model

Dec 1998

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998tx19.confe..16c&link_type=abstract

Abstracts of the 19th Texas Symposium on Relativistic Astrophysics and Cosmology, held in Paris, France, Dec. 14-18, 1998. Eds.:

Astronomy and Astrophysics

Astrophysics

Scientific paper

We present recent results on the two-component decomposition of emission of GRBs. In particular, we discuss relation of the high energy components with the GeV excesses and relation of the low energy components with the X-ray excesses found in spectra of GRBs. We also discuss statistical differences of the component properties and evolution of the ratio of the components intensities from the brightest to moderately bright GRBs. We show that these differences are incompatible with prediction of a simple cosmological transformation of standard sources. Finally we suggest a generalisation of the two-component decomposition which we call a Global Fit Analysis.

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