Exact versus Approximate Equitemporal Surfaces in Gamma-Ray Burst Afterglows

2004/03/16 by C. L. Bianco, Carlo Luciano Bianco, R. Ruffini +1 · 3 citations
Physics and Astronomy · #Astro and Planetary Science #Astrophysics #Astrophysics and Cosmic Phenomena #Gamma-ray burst #Gamma-ray bursts and supernovae #Physics #astro-ph

paper · pdf · doi:10.1086/386367

published as Astrophys.J. 605 (2004) L1-L4 · 4 pages, 4 figures, to appear on ApJ Lett

arxiv created 2004/03/16 · openalex publication_date 2004/03/17 · arxiv updated 2009/12/01 · openalex created_date 2025/10/10 · openalex updated_date 2026/08/05

Abstract

By integrating the relativistic hydrodynamic equations introduced by Taub, we have determined the exact equitemporal surfaces for the gamma-ray burst afterglows. These surfaces are compared and contrasted to the ones obtained, using approximate methods, by Panaitescu & Mészáros, Sari, and Granot et al.

Citations

• Fluid dynamics of relativistic blast waves
• Gamma-ray bursts and the fireball model
• The Observed Size and Shape of GRB Afterglow

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