RXTE observations of GRB afterglows

Variable X-ray sources that appear to be the afterglows of the strong gamma-ray bursts GRB 970616 and GRB 970828 have been discovered with the RXTE PCA. First seen less than 4 hours after the burst, the flux from the sources decreased with time. Although near the sensitivity limit of the PCA, the so...

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Bibliographic Details
Published in:Nuclear physics. Section B, Proceedings supplement Proceedings supplement, 1999, Vol.69 (1), p.640-645
Main Authors: Marshall, Francis E., Swank, Jean, Valinia, Azita, Corbet, Robin, Takeshima, Toshiaki, Barthelmy, Scott, Robinson, Craig, Kouveliotou, Chryssa, Connaughton, Valerie, Kippen, Marc, Preece, Robert, Bradt, Hale, Levine, Alan, Remillard, Ron, Smith, Don, Hurley, Kevin
Format: Article
Language:English
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Summary:Variable X-ray sources that appear to be the afterglows of the strong gamma-ray bursts GRB 970616 and GRB 970828 have been discovered with the RXTE PCA. First seen less than 4 hours after the burst, the flux from the sources decreased with time. Although near the sensitivity limit of the PCA, the sources are the brightest afterglows yet seen in X-rays. Similar observations of two other bursts did not detect any afterglows. These results are part of a continuing collaboration between RXTE, BATSE, and IPN scientists to rapidly detect X-ray afterglows of bright gamma-ray bursts.
ISSN:0920-5632
1873-3832
DOI:10.1016/S0920-5632(98)00314-4