Quasi-periodic pulsations in solar and stellar flares: a review of underpinning physical mechanisms and their predicted observational signatures

IV Zimovets, JA McLaughlin, AK Srivastava… - Space Science …, 2021 - Springer
The phenomenon of quasi-periodic pulsations (QPPs) in solar and stellar flares has been
known for over 50 years and significant progress has been made in this research area. It has …

Persistent quasi-periodic pulsations during a large X-class solar flare

LA Hayes, PT Gallagher, BR Dennis… - The Astrophysical …, 2019 - iopscience.iop.org
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 of …

[PDF][PDF] Quasi-periodic pulsations in solar and stellar flares. Review

EG Kupriyanova, DY Kolotkov… - Solar-Terrestrial …, 2020 - warwick.ac.uk
This paper provides an overview of the stateof-the-art studies of oscillatory processes in
solar and stellar flares, based on modern observational data from ground-based and space …

Oscillatory Reconnection of a 2D X-point in a Hot Coronal Plasma

K Karampelas, JA McLaughlin, GJJ Botha… - The Astrophysical …, 2022 - iopscience.iop.org
Oscillatory reconnection (a relaxation mechanism with periodic changes in connectivity) has
been proposed as a potential physical mechanism underpinning several periodic …

Statistical study of GOES X-ray quasi-periodic pulsations in solar flares

LA Hayes, AR Inglis, S Christe, B Dennis… - The Astrophysical …, 2020 - iopscience.iop.org
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 …

Detections of multi-periodic oscillations during a circular ribbon flare

Z Ning, Y Wang, Z Hong, D Li - Solar Physics, 2022 - Springer
We present the analysis of three kinds of oscillating behavior using multi-wavelength
observations of the 10 November 2013 (SOL2013-11-10T05: 14) circular-ribbon flare. This …

The independence of oscillatory reconnection periodicity from the initial pulse

K Karampelas, JA McLaughlin, GJJ Botha… - The Astrophysical …, 2022 - iopscience.iop.org
Oscillatory reconnection can manifest through the interaction between the ubiquitous MHD
waves and omnipresent null points in the solar atmosphere and is characterized by an …

Modulation of the solar microwave emission by sausage oscillations

EG Kupriyanova, TI Kaltman… - Monthly Notices of the …, 2022 - academic.oup.com
The modulation of the microwave emission intensity from a flaring loop by a standing linear
sausage fast magnetoacoustic wave is considered in terms of a straight plasma slab with the …

Multi-wavelength observations of quasi-periodic pulsations in a solar flare

Z Hong, D Li, M Zhang, C Tan, S Ma, H Ji - Solar Physics, 2021 - Springer
We report our analysis of multi-wavelength observations of quasi-periodic pulsations (QPPs)
during the impulsive phase of the C6. 7 flare on 9 May 2019. The flare was simultaneously …

Multiple Regions of Nonthermal Quasiperiodic Pulsations during the Impulsive Phase of a Solar Flare

Y Luo, B Chen, S Yu, M Battaglia… - The Astrophysical …, 2022 - iopscience.iop.org
Flare-associated quasiperiodic pulsations (QPPs) in radio and X-ray wavelengths,
particularly those related to nonthermal electrons, contain important information about the …