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Astron. Astrophys. Suppl. Ser. 138, 565-566

GRB observations with the HETE soft X-ray cameras

R. Vanderspek1 - J. Villaseñor1 - J. Doty1 - J.G. Jernigan2 - A. Levine1 - G. Monnelly1 - G.R. Ricker1

Send offprint request: R. Vanderspek

1 - Center for Space Research, Massachusetts Institute of Technology, Cambridge, MA 02139, U.S.A.
2 - Space Sciences Laboratory, University of California, Berkeley, CA 94720, U.S.A.

Received January 21; accepted March 10, 1999


The High Energy Transient Explorer, scheduled to be launched in late 1999 or early 2000, will carry a pair of Soft X-ray Cameras (SXC), capable of localizing the X-ray counterparts of GRBs with unprecedented precision. Each SXC consists of a pair of large-format CCDs behind a 1-D coded aperture: the two SXCs are oriented orthogonal to each other to permit two-dimensional image reconstruction. The SXCs on HETE will be able to localize bright X-ray afterglows to <20'' precision within seconds of burst onset. The coordinates of detected bursts will be distributed immediately to ground-based observers and to the GCN via the HETE Burst Alert System.

Key words: gamma-ray: bursts -- instrumentation

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