Swift-UVOT and Gemini-NIRI studies of Dark Bursts

Details Swift-UVOT and Gemini-NIRI studies of Dark Bursts Swift-UVOT and Gemini-NIRI studies of Dark Bursts

Dec 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004aas...20511503i&link_type=abstract

American Astronomical Society Meeting 205, #115.03; Bulletin of the American Astronomical Society, Vol. 36, p.1543

Astronomy and Astrophysics

Astronomy

Scientific paper

A fraction of well localized, long GRBs, lack a detectable optical afterglow (dark bursts). Currently there are three explanations put forth for the cause of Dark Bursts: slow localization (i.e., observations are performed too late to capture an optical afterglow), high redshifts, and obscuration by dust. The Swift satellite will have quick response capabilities and should eliminate the problem of slow localization. We modified the standard fireball shock model to examine the effects of high redshift, dust obscuration, and re-ionization on the observed flux. As a result of the theoretical modeling, we present light curves for the UV and optical bands for the Swift UV/Optical Telescope (UVOT), as well as the J, H, & K bands of the Gemini's Near InfraRed Imager (NIRI) and spectrograph.

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