3 minute oscillations above sunspots
Abstract
The aim of this investigation is a better understanding of the 3 minute oscillations above sunspots. We present the first results from a joint observing programme with SOHO and TRACE. Attention is given to the wave amplitude as a function of the temperature and to the penetration of part of the wave energy into the corona. The results appear to disagree with the sunspot filter theory.
- Publication:
-
From Solar Min to Max: Half a Solar Cycle with SOHO
- Pub Date:
- June 2002
- Bibcode:
- 2002ESASP.508..283B
- Keywords:
-
- Sunspots;
- Oscillations;
- Ultraviolet