Rapid observations of GRB afterglows and their hosts

Details Rapid observations of GRB afterglows and their hosts Rapid observations of GRB afterglows and their hosts

Aug 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008noao.prop..149t&link_type=abstract

NOAO Proposal ID #2008B-0149

Astronomy and Astrophysics

Astrophysics

Scientific paper

Rapid observations of gamma-ray bursts are critical to probing their exotic physics and using GRBs themselves as probes of the universe. Our collaboration has been at the forefront of many advances in GRB research, and brings to bear a large network of facilities to support this proposed Gemini programme. Our primary goals are (i) to locate and study GRBs at very high redshifts (z>5), where they will provide luminous backlights with which to explore the early ISM/IGM, and also the means to identify and characterise their faint host galaxies; (ii) to construct a more complete redshift sample of GRBs; (iii) to detect afterglows and measure redshifts for the class of short-duration bursts, whose nature, despite recent breakthroughs, remains enigmatic; (iv) in conjunction with data from the GLAST satellite, to test the standard jetted, relativistic fireball models. These goals address central questions of contemporary astrophysics and cosmology.

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