activity
20162024
most citedA large-scale search for evidence of quasi-periodic pulsations in solar flares

94 citations · 856 across the 29 of their papers we have counts for

collaborators

29 papers

astro-ph.SR2024★ 1 cited

Searching for rapid pulsations in solar flare X-ray data

Andrew R. Inglis, Laura A. Hayes

Most studies of quasi-periodic pulsations in solar flares have identified characteristic periods in the 5 - 300s range. Due to observational limitations there have been few attempt…

astro-ph.SR2023

The eruption of a magnetic flux rope observed by \textit{Solar Orbiter} and \textit{Parker Solar Probe}

David M. Long, Lucie M. Green, Francesco Pecora +11

Magnetic flux ropes are a key component of coronal mass ejections, forming the core of these eruptive phenomena. However, determining whether a flux rope is present prior to erupti…

astro-ph.SR2023★ 17 cited

Statistical analysis of the onset temperature of solar flares in 2010-2011

Douglas Félix da Silva, Li Hui, Paulo J. A. Simões +7

Understanding the physical processes that trigger solar flares is paramount to help with forecasting space weather and mitigating the effects on our technological infrastructure. A…

astro-ph.SR2023★ 17 cited

A multiple spacecraft detection of the 2 April 2022 M-class flare and filament eruption during the first close Solar Orbiter perihelion

M. Janvier, S. Mzerguat, P. R. Young +56

The Solar Orbiter mission completed its first remote-sensing observation windows in the spring of 2022. On 2/4/2022, an M-class flare followed by a filament eruption was seen both…

astro-ph.IM2023★ 2 cited

Fundamentals of impulsive energy release in the corona

Albert Y. Shih, Lindsay Glesener, Säm Krucker +30

It is essential that there be coordinated and co-optimized observations in X-rays, gamma-rays, and EUV during the peak of solar cycle 26 (~2036) to significantly advance our unders…

astro-ph.IM2023★ 2 cited

The need for focused, hard X-ray investigations of the Sun

Lindsay Glesener, Albert Y. Shih, Amir Caspi +46

Understanding the nature of energetic particles in the solar atmosphere is one of the most important outstanding problems in heliophysics. Flare-accelerated particles compose a hug…

astro-ph.SR2023★ 9 cited

Prevalence of non-stationarity in quasi-periodic pulsations (QPPs) associated with M- and X-class solar flares

Tishtrya Mehta, Anne-Marie Broomhall, Laura Hayes

Quasi-periodic pulsations (QPPs) are frequently observed in solar and stellar flare emission, with recent studies suggesting that an increasing instantaneous period is a common cha…

astro-ph.SR2023★ 10 cited

The SunPy Project: An Interoperable Ecosystem for Solar Data Analysis

The SunPy Community, Will Barnes, Steven Christe +7

The SunPy Project is a community of scientists and software developers creating an ecosystem of Python packages for solar physics. The project includes the sunpy core package as we…

astro-ph.IM2023

Quasi-periodic pulsations in solar flares: a key diagnostic of energy release on the Sun

Andrew Inglis, Laura Hayes, Silvina Guidoni +18

Solar flares are among the most powerful and disruptive events in our solar system, however the physical mechanisms driving and transporting this energetic release are not fully un…

astro-ph.SR2023★ 19 cited

Characterising fast-time variations in the hard X-ray time profiles of solar flares using Solar Orbiter's STIX

Hannah Collier, Laura A. Hayes, Andrea F. Battaglia +2

Aims: The aim of this work is to develop a method to systematically detect and characterise fast-time variations (s) in the non-thermal hard X-ray (HXR) time profiles of…

astro-ph.IM2023★ 1 cited

Science Platforms for Heliophysics Data Analysis

Monica G. Bobra, Will T. Barnes, Thomas Y. Chen +8

We recommend that NASA maintain and fund science platforms that enable interactive and scalable data analysis in order to maximize the scientific return of data collected from spac…

astro-ph.HE2022★ 16 cited

A Significant Sudden Ionospheric Disturbance associated with Gamma-Ray Burst GRB 221009A

Laura A. Hayes, Peter T. Gallagher

We report the detection of a significant ionospheric disturbance in the D-region of Earth's ionosphere which was associated with the massive gamma-ray burst GRB 221009A that occurr…

astro-ph.SR2022

Prominence eruption observed in He II 304 Å up to $>6 R_\sun$ by EUI/FSI aboard Solar Orbiter

M. Mierla, A. N. Zhukov, D. Berghmans +24

We report observations of a unique, large prominence eruption that was observed in the He II 304 Å passband of the the Extreme Ultraviolet Imager/Full Sun Imager telescope aboard S…

astro-ph.SR2021★ 51 cited

Solar Flare Effects on the Earth's Lower Ionosphere

Laura A. Hayes, Oscar S. D. O'Hara, Sophie A. Murray +1

Solar flares significantly impact the conditions of the Earth's ionosphere. In particular, the sudden increase in X-ray flux during a flare penetrates down to the lowest-lying D-re…

astro-ph.SR2021★ 38 cited

Quasi-Periodic Particle Acceleration in a Solar Flare

Brendan P. Clarke, Laura A. Hayes, Peter T. Gallagher +2

A common feature of electromagnetic emission from solar flares is the presence of intensity pulsations that vary as a function of time. Known as quasi-periodic pulsations (QPPs), t…

astro-ph.SR2020★ 1 cited

Solar Flare Energy Partitioning and Transport -- the Gradual Phase (a Heliophysics 2050 White Paper)

Graham S. Kerr, Meriem Alaoui, Joel C. Allred +14

Solar flares are a fundamental component of solar eruptive events (SEEs; along with solar energetic particles, SEPs, and coronal mass ejections, CMEs). Flares are the first compone…

astro-ph.SR2020★ 4 cited

Solar Flare Energy Partitioning and Transport -- the Impulsive Phase (a Heliophysics 2050 White Paper)

Graham S. Kerr, Meriem Alaoui, Joel C. Allred +14

Solar flares are a fundamental component of solar eruptive events (SEEs; along with solar energetic particles, SEPs, and coronal mass ejections, CMEs). Flares are the first compone…

astro-ph.SR2020★ 69 cited

Hot X-ray Onsets of Solar Flares

Hugh S. Hudson, Paulo J. A. Simoes, Lyndsay Fletcher +2

The study of the localized plasma conditions before the impulsive phase of a solar flare can help us understand the physical processes that occur leading up to the main flare energ…

astro-ph.SR2020★ 73 cited

Statistical Study of GOES X-ray Quasi-Periodic Pulsations in Solar Flares

Laura A. Hayes, Andrew R. Inglis, Steven Christe +2

Small amplitude quasi-periodic pulsations (QPPs) detected in soft X-ray emission are commonplace in many flares. To date, the underpinning processes resulting in the QPPs are unkno…

astro-ph.SR2020★ 15 cited

Simulating Solar Flare Irradiance with Multithreaded Models of Flare Arcades

Jeffrey W. Reep, Harry P. Warren, Christopher S. Moore +2

Understanding how energy is released in flares is one of the central problems of solar and stellar astrophysics. Observations of high temperature flare plasma hold many potential c…

astro-ph.SR2019★ 47 cited

A blueprint of state-of-the-art techniques for detecting quasi-periodic pulsations in solar and stellar flares

Anne-Marie Broomhall, James R. A. Davenport, Laura A. Hayes +9

Quasi-periodic pulsations (QPPs) appear to be a common feature observed in the light curves of both solar and stellar flares. However, their quasi-periodic nature, along with the f…

astro-ph.SR2019★ 46 cited

Lyman-alpha Variability During Solar Flares Over Solar Cycle 24 Using GOES-15/EUVS-E

Ryan O. Milligan, Hugh S. Hudson, Phillip C. Chamberlin +2

The chromospheric Lyman-alpha line of neutral hydrogen (\lya; 1216Å) is the strongest emission line in the solar spectrum. Fluctuations in \lya\ are known to drive changes in plane…

astro-ph.SR2019★ 89 cited

Multiple Regions of Shock-accelerated Particles during a Solar Coronal Mass Ejection

Diana E. Morosan, Eoin P. Carley, Laura A. Hayes +8

The Sun is an active star that can launch large eruptions of magnetised plasma into the heliosphere, called coronal mass ejections (CMEs). These ejections can drive shocks that acc…

astro-ph.SR2019★ 78 cited

Persistent Quasi-Periodic Pulsations During a Large X-Class Solar Flare

Laura A. Hayes, Peter T. Gallagher, Brian R. Dennis +3

Solar flares often display pulsating and oscillatory signatures in the emission, known as quasi-periodic pulsations (QPP). QPP are typically identified during the impulsive phase o…