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D. N. Burrows (Penn State University), The Swift XRT Team
The Swift Gamma-Ray Burst Explorer will make prompt multiwavelength observations of Gamma-Ray Bursts and afterglows, following its launch in October 2004. The X-ray Telescope (XRT) provides key capabilities that permit Swift to determine GRB positions with several arcsecond accuracy within 100 seconds of the burst onset. The XRT is designed to observe GRB afterglows covering over seven orders of magnitude in flux in the 0.2-10 keV band, with completely autonomous operation. GRB positions are determined within seconds of target acquisition, and accurate positions are sent to the ground for distribution over the GCN. The XRT can also measure redshifts of GRBs for bursts with Fe line emission or other spectral features. We discuss the current status of the XRT instrument and look ahead to on-orbit calibrations and science data collection and analysis.
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Bulletin of the American Astronomical Society, 36 #3
© 2004. The American Astronomical Soceity.