Evidences for two Gamma-Ray Burst afterglow emission regimes

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dc.creatorBoer, Michel
dc.creatorGendre, Bruce
dc.date2000-08-24
dc.date.accessioned2026-07-07T01:55:06Z
dc.date.available2026-07-07T01:55:06Z
dc.descriptionWe applied cosmological and absorption corrections to the X-ray and optical afterglow fluxes of a sample of Gamma-Ray Burst sources of known distance. We find a good correlation in X-rays and that the GRBs in our sample form two well defined classes. We tentatively interpret them as radiative and adiabatic afterglow behaviours in the framework of the fireball model for GRBs. We do not observe this correlation at optical wavelengths. This discrepancy with the model may be due to the absorption in the source vicinity.
dc.description4 pages, 2 figures, letter to be published in Astronomy and Astrophysics
dc.identifierhttps://arxiv.org/abs/astro-ph/0008385
dc.identifierhttp://arxiv.org/abs/astro-ph/0008385
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/1539
dc.subjectAstrophysics
dc.titleEvidences for two Gamma-Ray Burst afterglow emission regimes
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