Early-time observations of GRBs afterglow with 2-m robotic telescopes

A. Melandri, A. Gomboc, C. G. Mundell, C. Guidorzi, I. A. Steele, D. Carter, S. Kobayashi, D. Bersier, A. Monfardini, M. F. Bode, C. J. Mottram, R. J. Smith

Research output: Chapter or section in a book/report/conference proceedingChapter in a published conference proceeding

Abstract

In the era of rapid and accurate localisation of Gamma Ray Bursts by the Swift satellite, high quality early time multi-wavelength light curves, obtained by space and ground-based robotic telescopes, have shown that the standard 'smooth temporal power law decays' typical of late-time afterglow emission can be substantially modified at early times by e.g. energy injection from long-lived central engines, and/or interactions between the ejecta and clumps in the surrounding circumburst medium. Well-sampled optical light curves (covering a wide range in time, brightness and redshift) together with early-time polarimetry provide a powerful probe of the physics of GRBs, their ejecta and their environments. Here we summarise the GRB followup programme being conducted on a network of the world's three largest robotic telescopes that aims to obtain early-time multicolour photometric and polarimetric measurements crucial for the understanding of GRB physics.

Original languageEnglish
Title of host publicationThe Multicolored Landscape of Compact Objects and their Explosive Origins
EditorsL. A. Antonelli, G. L. Israel, L. Piersanti, A. Tornambe
Pages66-71
Number of pages6
DOIs
Publication statusPublished - 9 Oct 2007
EventTHE MULTICOLORED LANDSCAPE OF COMPACT OBJECTS AND THEIR EXPLOSIVE ORIGINS - Cefalu, Sicily, Italy
Duration: 11 Jun 200624 Jun 2006

Publication series

NameAIP Conference Proceedings
Volume924

Conference

ConferenceTHE MULTICOLORED LANDSCAPE OF COMPACT OBJECTS AND THEIR EXPLOSIVE ORIGINS
Country/TerritoryItaly
CityCefalu, Sicily
Period11/06/0624/06/06

Keywords

  • Gamma-ray bursts
  • Ground-based telescopes

ASJC Scopus subject areas

  • General Physics and Astronomy

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