S320p.33 — Multi-wavelength synthetic flare loops from 2D simulations with FLASH

Date & Time

Aug 10th at 6:00 PM until 7:30 PM




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Author(s): Petr none Heinzel1, Stanislav Gunar2, Robert Falewicz3, Pawel Rudawy3

Institution(s): 1. Academy of Sciences, 2. University of St. Andrews, 3. Wroclaw University

MHD code FLASH has been used to simulate the temporal evolution of the flare-loop system. Our 2D approach assumes a long arcade of flare loops anchored in the chromospheric ribbons. As the result of a gradual reconnection, the loop system is growing and the flare ribbons are being more and more separated in agreement with typical observations. Simultaneously, hot flare loops cool down and new hot loops appear next to them. We simulate the temporal evolution of the whole arcade of loops and synthesize the visibility of loops at various stages of cooling. The coolest loops finally appear in the hydrogen H-alpha line and are visualized using our new approximate method. The resulting evolution demonstrates well both the spatial and temporal behavior of multi-temperature loops, including their dynamics.