The Host Galaxies of Long Gamma-Ray Bursts

Details The Host Galaxies of Long Gamma-Ray Bursts The Host Galaxies of Long Gamma-Ray Bursts

Sep 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011head...12.0106j&link_type=abstract

American Astronomical Society, HEAD meeting #12, #1.06

Astronomy and Astrophysics

Astronomy

Scientific paper

In this talk I will present the main results from a VLT FORS/ISAAC program aimed at optimizing the legacy value of the Swift mission: to characterize a homogeneous, X-ray selected, sample of 68 GRB host galaxies. The goals of the programme have been the (i) search of the hosts (success rate of 80%); (ii) measurement of emission line redshifts for those systems with unknown absorption line redshifts (10 new values secured); (iii) search for red systems through NIR imaging; (iv) survey of Ly-alpha emission at z = 2-4 (positive detection for about 40%). Finally, I present new X-shooter results that build on the aforementioned sample and results.

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