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Unusual Stokes V profiles during flaring activity of a delta sunspot
C. E. Fischer, C. U. Keller, F. Snik +2
We analyze a set of full Stokes profile observations of the flaring active region NOAA 10808 recorded with the Vector-Spectromagnetograph (VSM) of the SOLIS facility. We aim to qua…
Solar chromospheric flares: energy release, transport and radiation
Lyndsay Fletcher
This paper presents an overview of some recent observational and theoretical results on solar flares, with an emphasis on flare impulsive-phase chromospheric properties, including:…
Numerical simulations of chromospheric hard X-ray source sizes in solar flares
Marina Battaglia, Eduard P. Kontar, Lyndsay Fletcher +1
X-ray observations are a powerful diagnostic tool for transport, acceleration, and heating of electrons in solar flares. Height and size measurements of X-ray footpoints sources ca…
Observations of Enhanced EUV Continua During An X-Class Solar Flare Using SDO/EVE
Ryan O. Milligan, Phillip C. Chamberlin, Hugh S. Hudson +5
Observations of extreme-ultraviolet (EUV) emission from an X-class solar flare that occurred on 2011 February 15 at 01:44 UT are presented, obtained using the EUV Variability Exper…