The Relation between EIT Waves and Solar Flares

Details The Relation between EIT Waves and Solar Flares The Relation between EIT Waves and Solar Flares

Apr 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006apj...641l.153c&link_type=abstract

The Astrophysical Journal, Volume 641, Issue 2, pp. L153-L156.

Astronomy and Astrophysics

Astronomy

31

Sun: Corona, Sun: Coronal Mass Ejections (Cmes), Sun: Flares, Waves

Scientific paper

In order to determine whether EIT waves are generated by coronal mass ejections (CMEs) or pressure pulses in solar flares, 14 non-CME-associated energetic flares, which should possess strong pressure pulses in their loops, are studied. They are selected near solar minimum, as this favors the detection of EIT waves. It is found that none of these flares are associated with EIT waves. Particular attention is paid to AR 0720, which hosted both CME-associated and non-CME types of flares. The SOHO/EIT images convincingly indicate that EIT waves and expanding dimmings appear only when CMEs are present. Therefore, it is unlikely that pressure pulses from flares generate EIT waves.

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