Observation of a Quasi-periodic Pulsation in Hard X-ray, Radio and Extreme-ultraviolet Wavelengths

Abstract

We present multi-wavelength analysis of a quasi-periodic pulsation (QPP) observed in the hard X-ray, radio, and extreme-ultraviolet (EUV) channels during an M1.9 flare occurred on 23-24 September 2011. The non-thermal hard X-ray emission in 25-50 keV observed by RHESSI shows five distinct impulsive peaks of decaying amplitude with a period of about three minutes. Similar QPP was observed in the microwave emission recorded by the Nobeyama Radioheliograph and Polarimeter in the 8.8, 15, 17 GHz channels. Interestingly, the 3-min QPP was also observed in the metric and decimetric radio frequencies (25-180, 245, 610 MHz) as repetitive type III bursts. Multi-wavelength observations from the SDO/AIA, Hinode/SOT, and STEREO/SECCHI suggest a fan-spine topology at the eruption site, associated with the formation of a quasi-circular ribbon during the flare. A small filament was observed below the fan-loops before the flare onset. The filament rose slowly and interacted with the ambient field. This behaviour was followed by an untwisting motion of the filament. Two different structures of the filament showed $\sim$3-min periodic alternate rotation in the clockwise and counterclockwise directions. The 3-min QPP was found to highly correlate with 3-min oscillations in a nearby sunspot. We suggest that the periodic reconnection (modulated either by sunspot slow-mode wave or by untwisting filament) at a magnetic null-point most likely causes the repetitive particle acceleration, generating the QPP observed in hard X-ray, microwave and type III radio bursts.

ApJ, 14 pages, 10 figures

References in corpus (13)

• The Solar Optical Telescope for the Hinode Mission: An Overview
• Impulsive phase flare energy transport by large-scale Alfven waves and the electron acceleration problem
• Advances in Observing Various Coronal EUV Waves in the SDO Era and Their Seismological Applications (Invited Review)
• Quasi-periodic Fast-mode Wave Trains Within a Global EUV Wave and Sequential Transverse Oscillations Detected by SDO/AIA
• Homologous Helical Jets: Observations by IRIS, SDO and Hinode and Magnetic Modeling with Data-Driven Simulations
• X-ray and EUV Observations of Simultaneous Short and Long Period Oscillations in Hot Coronal Arcade Loops
• Magnetohydrodynamic shocks in and above post-flare loops: two-dimensional simulation and a simplified model
• Magnetic Untwisting in Solar Jets that Go into the Outer Corona in Polar Coronal Holes
• SDO/AIA Observations of a Reflecting Longitudinal Wave in a Coronal Loop
• Oscillations in stellar superflares
• Helical Blowout Jets in the Sun: Untwisting and Propagation of Waves
• A Multi-Period Oscillation in a Stellar Superflare
• Multiwavelength observation of a large-scale flux rope eruption above kinked mini-filament

Cited by in corpus (25)

• Quasi-periodic pulsations in solar and stellar flares: an overview of recent results
• Explosive Chromospheric Evaporation in a Circular-ribbon Flare
• Helical Kink Instability in a Confined Solar Eruption
• Quasiperiodic Energy Release and Jets at the Base of Solar Coronal Plumes
• Quasi-Periodic Radio Bursts Associated with Fast-mode Waves near a Magnetic Null Point
• Coronal Quasi-periodic Fast-mode Propagating Wave Trains
• Detection of 3-Minute Oscillations in Full-Disk Ly$\alpha$ Emission During A Solar Flare
• Detection and Interpretation Of Long-Lived X-Ray Quasi-Periodic Pulsations in the X-Class Solar Flare On 2013 May 14
• Non-damping oscillations at flaring loops
• Quasi-Periodic Particle Acceleration in a Solar Flare
• Extending Optical Flare Models to the UV: Results from Comparing of TESS and GALEX Flare Observations For M Dwarfs
• Doppler shift oscillations from a hot line observed by IRIS
• Quasi-periodic pulsations of gamma-ray emissions from a solar flare on 2017 September 06
• Significance testing for quasi-periodic pulsations in solar and stellar flares
• Quasi-periodic pulsations with multiple periods in hard X-ray emission
• Statistical analysis of circular-ribbon flares
• Localizing quasi-periodic pulsations in hard X-ray, microwave and Lya emissions of an X6.4 Flare
• Periodicities in an active region correlated with Type III radio bursts observed by Parker Solar Probe
• Origin of Quasi-Periodic Pulsation at the Base of Kink Unstable Jet
• Observation of a Short Period Quasi-Periodic Pulsation in Solar X-ray, Microwave and EUV Emissions
• Imaging observations of chromospheric evaporation in a circular-ribbon flare
• Exploring the origin of multi-periodic pulsations during a white-light flare
• Multiple Regions of Nonthermal Quasi-Periodic Pulsations during the Impulsive Phase of a Solar Flare
• Pulsations of microwave emission from a solar flare in a twisted loop caused by intrinsic MHD oscillations
• Oscillations in the 45-5000 MHz Radio Spectrum of the 18 April 2014 Flare