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Power-law energy distributions of small-scale impulsive events on the active Sun: Results from IRIS
Nived Vilangot Nhalil, Chris J. Nelson, Mihalis Mathioudakis +2
Numerous studies have analysed inferred power-law distributions between frequency and energy of impulsive events in the outer solar atmosphere in an attempt to understand the predo…
Umbral chromospheric fine structure and umbral flashes modelled as one: the corrugated umbra
Vasco M. J. Henriques, Chris J. Nelson, Luc H. M. Rouppe van der Voort +1
Small-scale umbral brightenings (SSUBs), umbral microjets, spikes or short dynamic fibrils (SDFs), and umbral dark fibrils are found in any observation of the chromosphere with suf…
Spectral Characteristics and Formation Height of Off-Limb Flare Ribbons
D. Kuridze, M. Mathioudakis, P. Heinzel +5
Flare ribbons are bright manifestations of flare energy dissipation in the lower solar atmosphere. For the first time, we report on high-resolution imaging spectroscopy observation…