GRB Host Studies (GHostS)

Details GRB Host Studies (GHostS) GRB Host Studies (GHostS)

2006-01-23

arxiv.org/abs/astro-ph/0601528v2

Astronomy and Astrophysics

Astrophysics

6 pages, 4 figures. To appear in the proceedings of the 16th Annual October Astrophysics Conference in Maryland "Gamma Ray Bur

Scientific paper

10.1063/1.2207951

The GRB Host Studies (GHostS) is a public archive collecting observed quantities of GRB host galaxies. At this time (January 2006) it contains information on 32 GRB hosts, i.e. about half of the total number of GRBs with known redshift. Here we present some preliminary statistical analysis of the sample, e.g. the total stellar mass, metallicity and star formation rate for the hosts. We found that these are generally low-mass objects, with 79% having M_*<10^10 M_sun. The total stellar mass and the metallicity for a subsample of 7 hosts at 0.4

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