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Astron. Astrophys. Suppl. Ser. 138, 423-424

Gamma-ray burst positions from the ASM on RXTE

H.V. Bradt and D.A. Smith

Send offprint request: H.V. Bradt

Department of Physics & Center for Space Research, Massachusetts Institute of Technology, Cambridge, MA 02139-4307, U.S.A.

Received March 16; accepted May 10, 1999


The RXTE/ASM has detected and positioned 14 confirmed GRB bursts (at this writing, Jan. 1999) including six whose positions were communicated to the community 2 to 32 hours after the burst. Two of these latter bursts led to measurements of optical red shifts but one, despite an easily detected X-ray afterglow, produced no detectable optical or radio afterglow.

Key words: gamma-ray bursts

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