3 papers
astro-ph.SR2026
Flare Impulsive-phase Durations
Brian R. Dennis, Hugh Hudson, Joel Allred
This Research Note is in response to the recent paper by S. M. Perriyil et al. (2026). They provide measurements of the time delay (delta t) between the hard X-ray and soft X-ray p…
astro-ph.IM2025
Understanding Solar Flares and Energetic Events: Open questions, observational requirements, and instrumental needs over the coming decade
Malcolm K. Druett, Graham S. Kerr, Joel C. Allred +15
Solar flares are the largest energy-release events in the Solar System, allowing us to study fundamental physical phenomena under extreme conditions. Those include magnetic reconne…
astro-ph.SR2025
Fe I 6173 Ã Emission During White-Light Solar Flares
Samuel Granovsky, Alexander G. Kosovichev, Viacheslav M. Sadykov +2
Between 2017 and 2024, the Helioseismic and Magnetic Imager (HMI) onboard the Solar Dynamics Observatory has observed numerous white-light solar flares (WLFs). HMI spectro-polarime…