The USA X-ray Timing Experiment
Ray, P. S. · Wood, K. S. · Fritz, G. · Hertz, P. · Kowalski, M. · Johnson, W. N. · Lovellette, M. N. · Wolff, M. T. · Yentis, D. · Bandyopadhyay, R. M. · Bloom, E. D. · Giebels, B. · Godfrey, G. · Reilly, K. · Parkinson, P. Saz · Shabad, G. · Michelson, P. · Roberts, M. · Leahy, D. A. · Cominsky, L. · Scargle, J. · Beall, J. · Chakrabarty, D. · Kim, Y.
Original · EN
The USA Experiment is a new X-ray timing experiment with large collecting area and microsecond time resolution capable of conducting a broad program of studies of galactic X-ray binaries. USA is one of nine experiments aboard the Advanced Research and Global Observation Satellite which was launched February 23, 1999. USA is a collimated proportional counter X-ray telescope with about 1000 cm² of effective area per detector with two detectors sensitive to photons in the energy range 1-15 keV. A unique feature of USA is that photon events are time tagged by reference to an onboard GPS receiver allowing precise absolute time and location determination. We will present an overview of the USA instrument, capabilities, and scientific observing plan as well as the current status of the instrument.
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