Swift-UVOT and Gemini-NIRI study of Dark Bursts Afterglows

Details Swift-UVOT and Gemini-NIRI study of Dark Bursts Afterglows Swift-UVOT and Gemini-NIRI study of Dark Bursts Afterglows

Dec 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003aas...203.8701i&link_type=abstract

American Astronomical Society Meeting 203, #87.01; Bulletin of the American Astronomical Society, Vol. 35, p.1346

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 that are performed too late to capture an optical afterglow before it fades), high redshifts and obscuration by dust. The Swift satellite will have quick response capabilities and should eliminate the problem of slow localization. We're using a standard fireball shock model, and examine the effects of high redshift and dust obscuration of the host galaxy on the observed afterglow 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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