activity
20242026
collaborators

5 papers

astro-ph.SR2026

The EUV Late-Phase: Statistical Results from 15 Years of Solar Dynamics Observatory Observations

Harry J. Greatorex, Aisling N. O'Hare, Susanna Bekker +3

Since its launch in 2010, the Solar Dynamics Observatory (SDO) has provided continuous, high-cadence, multi-wavelength observations of the Sun, capturing thousands of solar flares…

physics.space-ph2025

Response of Ionospheric Total Electron Content to the Impulsive and Late Phases of X-Class Solar Flares with Various Center-to-Limb Locations

S. Z. Bekker, R. O. Milligan, I. A. Ryakhovsky

During a solar flare, the fluxes in various lines and continua of the solar spectrum increase, leading to enhanced ionization of the illuminated part of the Earth's ionosphere and…

astro-ph.SR2025

Investigating a Characteristic Time Lag in the Ionospheric F-region's Response to Solar Flares

Aisling N. O'Hare, Susanna Bekker, Harry J. Greatorex +1

X-ray and EUV solar flare emission cause increases in the Earth's dayside ionospheric electron density. While the response of the lower ionosphere to X-rays is well studied, the de…

astro-ph.SR2025

Quasi-Periodic Pulsations in Ionospheric TEC Synchronized with Solar Flare EUV Emission

Aisling N. O'Hare, Susanna Bekker, Laura A. Hayes +1

The extreme ultraviolet (EUV) and X-ray radiation emitted during solar flares has been shown to significantly increase the electron density of the Earth's ionosphere. During flares…

astro-ph.EP2024

The Influence of Different Phases of a Solar Flare on Changes in the Total Electron Content in the Earth's Ionosphere

Susanna Bekker, Ryan Milligan, Ilya Ryakhovsky

Variations in X-ray and EUV irradiance during solar flares lead to a noticeable increase in the electron concentration in the illuminated part of the Earth's ionosphere. Due to the…