2nd Workshop on Gamma-Ray Bursts in the Afterglow Era


6. GRBs and cosmology

S. G. Djorgovsky
GRBs in the cosmological context

* light echo
* star forming regions (masive star formation => strong OIII/NII)
* statistics: 42 prec. localized GRB, but only 23 afterglows! (dust?)
* first generations of stars: very fat