Astronomy and Astrophysics – Astrophysics
Scientific paper
Aug 2007
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007noao.prop..212n&link_type=abstract
NOAO Proposal ID #2007B-0212
Astronomy and Astrophysics
Astrophysics
Scientific paper
Rapid observations of gamma-ray bursts are critical to probing the exotic physics of GRBs, and using GRBs themselves as probes of the universe. Our collaboration has been at the forefront of a number advances in GRB research, and brings to bear a large network of facilities, world-wide, to support this proposed NOAO program. 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 characterize their faint host galaxies; (ii) to detect afterglows and measure redshifts for the class of short-duration bursts, whose nature, despite recent breakthroughs, remains enigmatic; (iii) to study the use of long-duration GRBs as cosmographic "standard explosions;" and (iv) to investigate the commonalities of the progenitors of GRBs and typical Type Ic supernova to ascertain the role of metallicity as a factor in GRB production. These goals address central questions of contemporary astrophysics and cosmology.
Bersier David
Castro Cerón José María
Fruchter Andy
Fuentes Angel
Graham John
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