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[43.16] The Swift X-ray Telescope

D. N. Burrows (Penn State University), A. Wells (University of Leicester), O. Citterio (Osservatorio Astronomico di Brera), Swift XRT Team

The Swift XRT is designed to study X-ray counterparts of the gamma ray bursts and their afterglows, beginning 20-70 s from the time of the burst, and continuing for days or weeks. The XRT utilizes a superb mirror set built for JET-X and a state-of-the-art XMM/EPIC CCD detector to provide a sensitive broad-band (0.2-10 keV) X-ray imager with effective area of 110 cm² at 1.5 keV, field of view of 23.6 x 23.6 arcminutes, and angular resolution of 15 arcsec (HPD). The sensitivity is 4E-14 erg/cm²/ s in 10⁴ seconds. The telescope electronics will be designed to provide automated source detection and position reporting, with a position good to 2.5 arcseconds transmitted to the ground within two minutes of the burst detection.

This work is funded by NASA contract NAS5-00136.

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