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The Star Formation History of the GRB 050730 Host Galaxy

Published online by Cambridge University Press:  01 June 2008

Francesco Calura
Francesco Calura*
Affiliation:
Dipartimento di Astronomia, Universita' di Trieste, via G. B. Tiepolo 11, 34131 TRIESTE - ITALY email: [email protected]
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Abstract

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The long GRB 050730 observed at redshift z ~ 4 allowed the determination of the elemental abundances for a set of different chemical elements. We use detailed chemical evolution models taking into account also dust production to constrain the star formation history of the host galaxy of this long GRB. For the host galaxy of GRB 050730, we derive also some dust-related quantities and the specific star formation rate, namely the star formation rate per unit stellar mass. Finally, we compare the properties of the GRB host galaxy with those of Quasar Damped Lyman Alpha absorbers.

Keywords

Gamma rays: burstsGalaxies: high-redshiftGalaxies: abundancesISM: general
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 4 , Issue S255: Low-Metallicity Star Formation: From the First Stars to Dwarf Galaxies , June 2008 , pp. 217 - 223
Copyright
Copyright © International Astronomical Union 2008

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