Properties of fast submillimeter time structures during a large solar flare

Details Properties of fast submillimeter time structures during a large solar flare Properties of fast submillimeter time structures during a large solar flare

Apr 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003eaeja.....4168r&link_type=abstract

EGS - AGU - EUG Joint Assembly, Abstracts from the meeting held in Nice, France, 6 - 11 April 2003, abstract #4168

Computer Science

Scientific paper

We report properties of fast varying submillimeter emission during the strongest solar radio flare of solar cycle 23. Emission were obtained by the Submillimeter Wave Telescope at 212 GHz and 405 GHz and compared with hard X-ray and γ-ray counts up to few tens of MeV photon energy ranges. We employ different methods to detect and characterize flux density variations, and find that during the impulsive phase of the event, the closer in time to the peak flare the higher the occurrence of the fastest and brightest time structures. The good comparison with hard X-ray and γ-ray count rates indicates that fast submillimeter pulses are the signatures of primary energetic injections. The characteristics of the fast spikes at 212 GHz and 405 GHz, as their flux density and localization, compared to that of the underlying slower impulsive component, also suggest that their nature is different.

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