Broad-band spectral evolution of GRB afterglows

Details Broad-band spectral evolution of GRB afterglows Broad-band spectral evolution of GRB afterglows

Sep 1999

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999a%26as..138..453m&link_type=abstract

Astronomy and Astrophysics Supplement, v.138, p.453-454

Astronomy and Astrophysics

Astrophysics

4

Methods: Data Analysis, Gamma-Rays: Bursts

Scientific paper

Quasi-simultaneous Spectral Energy Distributions (SEDs) at different epochs of four among the most intensively observed Gamma-Ray Burst (GRB) afterglows have been constructed in order to investigate and compare the temporal evolution of their multiwavelength emission. The data suggest that generally the peak frequency moves toward lower frequencies with time. SED local maxima in the optical/IR range are present in some cases, possibly due to dust absorption within the host galaxy.

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