AAS 200th meeting, Albuquerque, NM, June 2002
Session 39. Structure and Dynamics of Chromospheres
Display, Tuesday, June 4, 2002, 10:00am-6:30pm, SW Exhibit Hall

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[39.05] Trawling around in the Noise

B. Fleck, S.W. McIntosh (ESA RSSD)

We investigate the possible presence of low amplitude, high-frequency oscillations in short time exposure SUMER timeseries. Using a variety of profile fitting methods and a combination of real and synthetic data we examine the detection thresholds and limits. As a result we can assess the likelyhood that certain long-duration, high cadence, SUMER datasets contain meaningful information about the propagation of high frequency waves in the Solar Chromosphere and Transition Region.

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Bulletin of the American Astronomical Society, 34
© 2002. The American Astronomical Soceity.