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astro-ph.SR2025
Periodic Variations in Visible Light Brightness as Tracers of Fine Coronal Structures
Nathalia Alzate, Simone Di Matteo
The quiescent or dynamic nature of fine scale ray-like features in the sun corona, observed in visible light, is still an open question. Here, we show that most of daily and hourly…
astro-ph.SR2025
Coronal Cells in Coronal Holes: Systematic Analysis and Implications for Coronal Evolution
Nathalia Alzate, Simone Di Matteo, Aleida Higginson
Using advanced processing techniques, we analyze high-cadence, high-resolution extreme ultraviolet images and show that, throughout the solar cycle, mid-latitude coronal holes (CHs…