[HTML][HTML] Interrogating solar flare loop models with IRIS observations 2: plasma properties, energy transport, and future directions

GS Kerr - Frontiers in Astronomy and Space Sciences, 2023 - frontiersin.org
During solar flares a tremendous amount of magnetic energy is released and transported
through the Sun's atmosphere and out into the heliosphere. Despite over a century of study …

[HTML][HTML] Interrogating solar flare loop models with IRIS observations 1: Overview of the models, and mass flows

GS Kerr - Frontiers in Astronomy and Space Sciences, 2022 - frontiersin.org
Solar flares are transient yet dramatic events in the atmosphere of the Sun, during which a
vast amount of magnetic energy is liberated. This energy is subsequently transported …

A 7 day multiwavelength flare campaign on AU Mic. I. High-time-resolution light curves and the thermal empirical neupert effect

II Tristan, Y Notsu, AF Kowalski, A Brown… - The Astrophysical …, 2023 - iopscience.iop.org
We present light curves and flares from a 7 day, multiwavelength observational campaign of
AU Mic, a young and active dM1e star with exoplanets and a debris disk. We report on 73 …

Near-ultraviolet continuum modeling of the 1985 April 12 great flare of AD Leo

AF Kowalski - Frontiers in Astronomy and Space Sciences, 2022 - frontiersin.org
White-light stellar flares are now reported by the thousands in long-baseline, high-precision,
broad-band photometry from missions like Kepler, K2, and TESS. These observations are …

A model for gradual-phase heating driven by MHD turbulence in solar flares

W Ashfield, D Longcope - The Astrophysical Journal, 2023 - iopscience.iop.org
Coronal flare emission is commonly observed to decay on timescales longer than those
predicted by impulsively driven, one-dimensional flare loop models. This discrepancy is …

Extreme red-wing enhancements of UV lines during the 2022 March 30 X1. 3 Solar Flare

Y Xu, GS Kerr, V Polito, N Huang, J Jing… - The Astrophysical …, 2023 - iopscience.iop.org
Here, we present the study of a compact emission source during an X1. 3 flare on 2022
March 30. Within a∼ 41 s period (17: 34: 48 UT to 17: 35: 29 UT), Interface Region Imaging …

The Evolution of Photospheric Magnetic Fields at the Footpoints of Reconnected Structures in the Solar Atmosphere

T Ding, J Zhang, Y Fang, J Hong, Y Bi… - The Astrophysical …, 2024 - iopscience.iop.org
Magnetic reconnection is believed to play an important role in the release and conversion of
energy among magnetized plasma systems. So far, we have been unable to understand …

Behaviour of molecular hydrogen emission in three solar flares

SM Mulay, L Fletcher, H Hudson… - Monthly Notices of the …, 2023 - academic.oup.com
We have systematically investigated ultraviolet (UV) emission from molecular hydrogen (H2)
using the Interface Region Imaging Spectrograph (IRIS), during three X-ray flares of C5. 1 …

Can Proton Beam Heating Flare Models Explain Sunquakes?

VM Sadykov, JT Stefan, AG Kosovichev… - The Astrophysical …, 2023 - iopscience.iop.org
Abstract Solar Dynamics Observatory (SDO)/Helioseismic and Magnetic Imager (HMI)
observations reveal a class of solar flares with substantial energy and momentum impacts in …

An optically thin view of the flaring chromosphere: non-thermal widths in a chromospheric condensation during an X-class solar flare

GS Kerr, AF Kowalski, JC Allred… - Monthly Notices of the …, 2024 - academic.oup.com
The bulk of solar flare energy is deposited in the chromosphere. Flare ribbons and footpoints
in the chromosphere therefore offer great diagnostic potential of flare energy release and …