Volume 404, Number 2, June III 2003
|Page(s)||L37 - L41|
|Published online||02 June 2003|
Letter to the Editor
Joint observations of propagating oscillations with SOHO/CDS and TRACE
Centre for Astrophysics, University of Central Lancashire, Preston, PR1 2HE, England
2 School of Mathematics and Statistics, University of St. Andrews, North Haugh, St. Andrews, KY16 9SS, Scotland
3 L3 Communications EER Systems Inc., NASA GSFC, Code 682.3, Bldg. 26, Greenbelt, MD 20771, USA
Corresponding author: M. S. Marsh, email@example.com
Accepted: 12 May 2003
Joint Observing Program (JOP) 83 Solar and Heliospheric Observatory/Coronal Diagnostic Spectrometer (SOHO/CDS) and Transition Region and Coronal Explorer (TRACE) data is analysed for evidence of propagating intensity oscillations along loop structures in the solar corona. A propagating intensity oscillation with a minimum estimated speed of 50–195 km s-1 is observed within a TRACE 171 Å coronal loop using a running difference method. Co-spatial and co-temporal CDS and TRACE observations of this loop are analysed using a wavelet analysis method. The TRACE data shows a propagating oscillation with a period of ≈300 s. This period is also observed with CDS suggesting propagating oscillations at chromospheric, transition region and coronal temperatures in the , and lines.
Key words: Sun: Corona / Sun: oscillations / Sun: Transition Region / Sun: UV radiation / waves
© ESO, 2003
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