6–10 Sept 2021
Online
Europe/Rome timezone

The energy partition in solar flares: current state, new observations, and new models

6 Sept 2021, 11:11
13m
Online

Online

Poster Session 4 - From Radio to Gamma Rays: Near-Sun Manifestations and Triggering of Solar Flares and Coronal Mass Ejections Poster Session 1.5

Speaker

Dr Alexander Warmuth (Leibniz Institute for Astrophysics Potsdam (AIP))

Description

Solar eruptive events entail a complex interplay of energy release, transport, and conversion processes. A quantitative characterization of the different forms of energy therefore represents a crucial observational constraint for models of solar eruptions in general, as well as for magnetic reconnection, heating, and particle-acceleration processes in particular. These constraints are derived from X-ray, EUV and bolometric observations. We first review the results of recent statistical studies, focusing on possible explanations for apparent discrepancies between the different studies. We then present some of the first results on energy partition obtained with the novel STIX X-ray spectrometer/imager on Solar Orbiter. Finally, we present the first upper limits on energy input by nonthermal electrons given by the warm-target model.

Primary author

Dr Alexander Warmuth (Leibniz Institute for Astrophysics Potsdam (AIP))

Co-authors

Säm Krucker (FHNW/University of California Berkeley) Dr Ewan C. M Dickson Mr Andrea Francesco Battaglia (ETH Zürich and FHNW Windisch) Dr Hualin Xiao Marina Battaglia (FHNW) Prof. Gordon Hurford (University of Applied Sciences and Arts Northwestern Switzerland, Bahnhofstrasse 6, 5210 Windisch, Switzerland) Frederic Schuller (Leibniz Institut für Astrophysik Potsdam) Prof. Gottfried Mann (Leibniz-Institut für Astrophysik Potsdam (AIP)) Prof. Astrid Veronig (Kanzelhöhe Observatory for Solar and Environmental Research & Institute of Physics, University of Graz) Jonas Saqri (Institute of Physics, University of Graz)

Presentation materials