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Search for Millisecond Periodicities in Type I X-ray Bursts of the Rapid Burster

D. W. Fox·W. H. G. Lewin·R. E. Rutledge·E. H. Morgan·R. Guerriero·L. Bildsten·M. van der Klis·J. van Paradijs·C. B. Moore·T. Dotani·K. Asai
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Abstract

We have searched the rising portion of type I X-ray bursts observed from the Rapid Burster with the Rossi X-ray Timing Explorer for the presence of periodicities. The 95 per cent confidence upper limit on the average root-mean-square variation of near coherent pulsations with a width of <1 Hz (in 60--2048 Hz) during the first second of the bursts is <8.8 per cent. We find a possible detection (>98 per cent significance) at 306.5 Hz.

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D. W. Fox, W. H. G. Lewin, R. E. Rutledge, E. H. Morgan, R. Guerriero, L. Bildsten, M. van der Klis, J. van Paradijs, C. B. Moore, T. Dotani, K. Asai. 2000-09-14. Search for Millisecond Periodicities in Type I X-ray Bursts of the Rapid Burster. https://doi.org/10.1046/j.1365-8711.2001.04085.x

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