Astronomy and Astrophysics – Astronomy
Scientific paper
May 2003
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003spd....34.1613l&link_type=abstract
American Astronomical Society, SPD meeting #34, #16.13; Bulletin of the American Astronomical Society, Vol. 35, p.835
Astronomy and Astrophysics
Astronomy
Scientific paper
On July 15 2002, an X3 flare occured within AR10030 and it was accompanied with a white light flare (WLF). The Imaging Vector Magnetograph (IVM) at Mees Solar Observatory recorded the entire event including several hours of data before and after the flare. The IVM continuum images are taken at time cadence as high as 1 seconds per image. Such observations enabled us to resolve the WLF patches in time and space. We will present (1). the initial WLF patch fell on a small sunspot located at an area surrounded with single relatively weak magnetic polarity between proceeding and following sunspot groups; (2) the energy deposited during the WLF flare; (3) the light curves of the optical continuum, the UV continuum (TRACE/1600) and microwaves (1.2 - 18 GHz from Oven's Valley Solar Array). They demonstrate the same profiles during flare impulsive phase. The observations suggest that the origin of the WLF flare was caused by accelerated particles precipitate into lower atmosphere along magnetic field lines.
This work is supported by NASA grant to Mess Solar Observatory and MURI program.
LaBonte Barry
Li Jiying
Mickey Don
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