Astrophysics > High Energy Astrophysical Phenomena
[Submitted on 23 Sep 2010
(v1)
, last revised 25 Sep 2010 (this version, v2)]
Title: What do we know about gamma-ray bursts?
Title: 我们对伽马射线暴了解多少？
Abstract: Decades of improving data and extensive theoretical research have led to a popular model of gamma-ray bursts. According to this model, a catastrophic event in a stellar system results in the formation of a compact central engine, which releases a fraction of a solar rest-mass energy within seconds in the form of ultra-relativistic jets. Dissipation of the jets energy leads first to prompt gamma-ray emission and later to a long lasting afterglow. Here I summarize the introduction that I gave to the debate "where do we stand?" in the conference "The Shocking Universe" held in Venice. This is a very brief summary of my view of the facts that we are (almost) certain about, models that are popular but may need rethinking, and main open questions.
Submission history
From: Ehud Nakar [view email][v1] Thu, 23 Sep 2010 15:54:29 UTC (10 KB)
[v2] Sat, 25 Sep 2010 03:46:11 UTC (10 KB)
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