Host galaxies of gamma-ray bursts and galaxy formation

Details Host galaxies of gamma-ray bursts and galaxy formation Host galaxies of gamma-ray bursts and galaxy formation

Dec 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004sf2a.conf..653c&link_type=abstract

SF2A-2004: Semaine de l'Astrophysique Francaise, meeting held in Paris, France, June 14-18, 2004. Edited by F. Combes, D. Barret

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Scientific paper

Long duration gamma-ray bursts are powerful energetic transient events and are expected to result from the core collapse of massive stars. The issue of their relevance as tracer of galaxy formation is addressed here, investigating the nature of their host galaxies. After discussing the notion of star formation efficiency in hydrodynamical/N-body simulations of large scale structure formation, host candidates identified as the most efficient star forming galaxies, are shown to be low mass, late-type galaxies with a moderate star formation rate. The cosmological evolution of the host properties is examined.

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