NOAO >   Observing Info >   Approved Programs >   2010A-0156

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Proposal Information for 2010A-0156


PI: Nial Tanvir, University of Leicester, nrt3@star.le.ac.uk
Address: Department of Physics and Astronomy, University Road, Leicester LE1 7RH, United Kingdom

CoI: Andrew Levan, University of Hertfordshire
CoI: Klaas Wiersema, University of Leicester
CoI: Andrew Fruchter, Space Telescope Science Institute
CoI: Evert Rol, University of Amsterdam
CoI: Daniel Reichart, University of North Carolina
CoI: John Graham, Space Telescope Science Institute
CoI: David Bersier, Liverpool John Moores University
CoI: Pall Jakobsson, University of Iceland
CoI: Jochen Greiner, Max-Planck-Institute for Extraterrestrial Physics
CoI: James Rhoads, Arizona State University
CoI: Jens Hjorth, NBI: DARK, Copenhagen

Title: Rapid observations of gamma-ray bursts with Gemini-S

Abstract: 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 recently found the most distant known object, GRB 090423 at z=8.23, and continues to use Gemini (supported by other facilities) to study distant and extreme bursts, and explore the diversity of their hosts and progenitors. Our primary goals are (i) to detect afterglows and hosts, and measure redshifts for the class of short-duration bursts, whose nature, despite recent breakthroughs, remains enigmatic; (ii) to locate and study GRBs at very high redshifts (z>5) where they provide a window on early galaxy evolution and the IGM; (iii) to construct a more complete redshift sample of GRBs and constrain the redshift evolution of the mass-metallicity relation; (iv) in conjunction with X-ray (Swift/Chandra/XMM) and high-energy gamma ray (Fermi) data, to test the standard jetted, relativistic fireball models.


National Optical Astronomy Observatory, 950 North Cherry Avenue, P.O. Box 26732, Tucson, Arizona 85726, Phone: (520) 318-8000, Fax: (520) 318-8360



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