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A Statistical Study of Photospheric Magnetic Field Changes During 75 Solar Flares
J. S. Castellanos Durán, L. Kleint, B. Calvo-Mozo
Abrupt and permanent changes of photospheric magnetic fields have been observed during solar flares. The changes seem to be linked to the reconfiguration of magnetic fields, but th…
Measurement of the evolution of the magnetic field of the quiet photosphere during a solar cycle
Renzo Ramelli, Michele Bianda, Svetlana Berdyugina +2
The solar photosphere is filled by a magnetic field which is tangled on scales much smaller than the resolution capability of solar telescopes. This hidden magnetic field can be in…
On the nature of off-limb flare continuum sources detected by SDO/HMI
P. Heinzel, L. Kleint, J. Kasparova +1
The Helioseismic and Magnetic Imager onboard the Solar Dynamics Observatory has provided unique observations of off-limb flare emission. White-light (WL) continuum enhancements wer…
A parameter study for modeling MgII h and k emission during solar flares
Fatima Rubio da Costa, Lucia Kleint
Solar flares show highly unusual spectra, in which the thermodynamic conditions of the solar atmosphere are encoded. Current models are unable to fully reproduce the spectroscopic…
On the origin of the flare emission in IRIS' SJI 2832 filter: Balmer continuum or spectral lines?
Lucia Kleint, Petr Heinzel, Säm Krucker
Continuum ("White-light", WL) emission dominates the energetics of flares. Filter-based observations, such as the IRIS SJI 2832 filter, show WL-like brightenings during flares, but…