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

6); C.B. Moore (7); D.W. Fox (1); E.H. Morgan (1); Huntsville; (7) CfA; (8) ISAS); J. van Paradijs (5; K. Asai (8) ((1) MIT; (2) Caltech; (3) US Military Academy; (4) ITP/UCSB; (5) Astronomical Institute `Anton Pannekoek'; (6) U. Alabama; L. Bildsten (4); M. Van der Klis (5); R.E. Rutledge (2)

arxiv: astro-ph/0009224 · v1 · submitted 2000-09-14 · 🌌 astro-ph

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

D.W. Fox (1) , W.H.G. Lewin (1) , R.E. Rutledge (2) , E.H. Morgan (1) , R. Guerriero (3) , L. Bildsten (4) , M. Van der Klis (5) , J. van Paradijs (5

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6) C.B. Moore (7) T. Dotani (8) K. Asai (8) ((1) MIT; (2) Caltech; (3) US Military Academy; (4) ITP/UCSB; (5) Astronomical Institute `Anton Pannekoek'; (6) U. Alabama Huntsville; (7) CfA; (8) ISAS)

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keywords burstscentx-raybursterperiodicitiesrapidtypeaverage

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

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