Physics
Scientific paper
May 2009
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009aipc.1111..495d&link_type=abstract
PROBING STELLAR POPULATIONS OUT TO THE DISTANT UNIVERSE: CEFALU 2008, Proceedings of the International Conference. AIP Conferen
Physics
Gamma-Ray Sources, Gamma-Ray Bursts, Interstellar Medium And Nebulae In External Galaxies, Cosmology
Scientific paper
The launch of the Swift mission has opened up new windows in the study of the Gamma-Ray Burst. The optical follow-up of the early afterglow is one among the scientific fields that have been revolutionized. Thanks to the fast broadcast of the GRB coordinates and to the rapid response mode systems built up in 8-meter class telescopes, these afterglows can be observed from hours down to a few minutes after the GRB explosion. The high signal-to noise achievable allows us to acquire high resolution spectra, which carry a lot of information both on the GRB environment and the Inter-Stellar Medium of high redshift galaxies. In this paper, I will give a short review of what we have learned through the high resolution spectroscopy of GRB afterglows; I will focus in particular on the case of GRB080319B, the first naked-eye GRB observed to date, for which high resolution observations reach an unprecedented level of the signal to noise ratio.
D'Elia Valerio
Fiore Fabrizio
Krongold Yair
Nicastro Fabrizio
Perna Rosalba
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