D'Elia 2011 余辉的谱观测

主要内容:
用X-shooter，主要可以观测宿主星系的特性

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Title:		Absorption spectroscopy of gamma-ray burst afterglows: Probing the GRB line of sight
Authors:		D'Elia, V.
Affiliation:		AA(ASI Science Data Centre, Via Galileo Galilei, 00044 Frascati (RM), Italy; INAF - Osservatorio Astronomico di Roma, Via di Frascati, 33, 00040 Monteporzio Catone, Italy)
Publication:		Astronomische Nachrichten, Vol.332, Issue 3, p.272 (AN Homepage)
Publication Date:		03/2011
Origin:		AN
Keywords:		gamma rays: bursts, ISM: abundances, ISM: kinematics and dynamics, ISM: structure, line: profiles
Abstract Copyright:		(c) 2011: WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim
DOI:		10.1002/asna.201111533
Bibliographic Code:		2011AN....332..272D

Abstract

GRB absorption spectroscopy opened up a new window in the study of the high redshift Universe, especially with the launch of the Swift satellite and the quick and precise localization of the afterglow. Eight-meter class telescopes can be repointed within a few hours from the GRB, enabling the acquisition of high signal-to-noise ratio and high resolution afterglow spectra. In this paper I will give a short review of what we learned through this technique, and I will present some of the first results obtained with the X-shooter spectrograph.

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