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GRB 090313: X-shooter's first shot at a GRB
A. de Ugarte Postigo, P. Goldoni, C. C. Thöne +26
Context. X-shooter is the first second-generation instrument to become operative at the ESO Very Large Telescope (VLT). It is a broad-band medium-resolution spectrograph designed w…
GRB090426: the farthest short gamma-ray burst?
L. A. Antonelli, P. D Avanzo, R. Perna +23
Aims. With an observed and rest-frame duration of < 2s and < 0.5s, respectively, GRB090426 could be classified as a short GRB. The prompt detection, both from space and ground-base…
PKS 0537-286, carrying the information of the environment of SMBHs in the early Universe
E. Bottacini, M. Ajello, J. Greiner +9
We present the results of a multifrequency campaign on the high-redshift (z = 3.1) blazar PKS 0537-286. The source was observed at different epochs from 2006 to 2008 with INTEGRAL…
Testing GRB models with the afterglow of GRB 090102
B. Gendre, A. Klotz, E. Palazzi +9
We present the observations of the afterglow of gamma-ray burst GRB 090102. Optical data taken by the TAROT, REM, GROND, together with publicly available data from Palomar, IAC and…