HEAD Division Meeting 1999, April 1999
Session 39. Binaries, Deep Surveys and Stars
Oral, Thursday, April 15, 1999, 4:30pm-5:58pm, Colonial Room

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[39.03] X-Ray Timing Analysis of Cygnus X-3

M.L. McCollough, C.R. Robinson (USRA/MSFC), B.A. Harmon, R.F. Elsner (NASA/MSFC), W.S. Paciesas, S.W. Dieters (UAH/MSFC), E.B. Waltman (NRL), R.M. Hjellming (NRAO/VLA), W. Cui (MIT)

We present a timing analysis of Cyg X-3 with data taken from CGRO/BATSE, RXTE/ASM, and RXTE/PCA observations. The data are examined for period changes in the known 4.8 hour orbital period. The shape of the 4.8 hour light curve is examined as a function of energy and different states of activity in the radio. A search of the high resolution temporal data from RXTE is presented. Limits on features in the power spectra and the location of high frequency cutoffs are discussed in the context of scattering from a stellar wind.


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