Solar Physics, 2022 Continuous vector magnetic-field measurements by the Helioseismic and Magnetic Imager (HMI) onboard the Solar Dynamics Observatory (SDO) allow us to study magnetic-field properties of many flares.
M. Kazachenko +3 more
semanticscholar +1 more source
A Comparison of Flare Forecasting Methods. III. Systematic Behaviors of Operational Solar Flare Forecasting Systems [PDF]
Astrophysical Journal, 2019 A workshop was recently held at Nagoya University (2017 October 31–November 2), sponsored by the Center for International Collaborative Research, at the Institute for Space-Earth Environmental Research, Nagoya University, Japan, to quantitatively compare
K. Leka +23 more
semanticscholar +1 more source
Identifying Solar Flare Precursors Using Time Series of SDO/HMI Images and SHARP Parameters [PDF]
Space Weather, 2019 In this paper we present several methods to identify precursors that show great promise for early predictions of solar flare events. A data preprocessing pipeline is built to extract useful data from multiple sources, Geostationary Operational ...
Yang Chen +9 more
semanticscholar +1 more source
Solar Flare Prediction Using Magnetic Field Diagnostics above the Photosphere [PDF]
Astrophysical Journal, 2020 In this article, we present the application of the weighted horizontal gradient of magnetic field (WGM) flare prediction method to three-dimensional (3D) extrapolated magnetic configurations of 13 flaring solar active regions (ARs).
M. Korsós +13 more
semanticscholar +1 more source
Detection of Solar Neutrons and Solar Neutron Decay Protons
Universe, 2023 Solar flares are broadly classified as impulsive or gradual. Ions accelerated in a gradual flare are thought to be accelerated through a shock acceleration mechanism, but the particle acceleration process in an impulsive flare is still largely unexplored.
Yasushi Muraki +14 more
doaj +1 more source
Geomagnetic solar flare effects: a review
Journal of Space Weather and Space Climate, 2020 Solar flare effects (Sfe) are rapid variations in the Earth’s magnetic field and are related to the enhancement of the amount of radiation produced during Solar flare events.
J. Curto
semanticscholar +1 more source
Full-Disk Solar Flare Forecasting Model Based on Data Mining Method
Advances in Astronomy, 2019 Solar flare is one of the violent solar eruptive phenomena; many solar flare forecasting models are built based on the properties of active regions. However, most of these models only focus on active regions within 30° of solar disk center because of the
Rong Li, Yong Du
doaj +1 more source
Sun-as-a-Star Observation of Flares in Lyman {\alpha} by the PROBA2/LYRA radiometer [PDF]
, 2012 There are very few reports of flare signatures in the solar irradiance at H i Lyman {\alpha} at 121.5 nm, i.e. the strongest line of the solar spectrum. The LYRA radiometer onboard PROBA2 has observed several flares for which unambiguous signatures have ...
Dammasch, I. E. +2 more
core +2 more sources
Feature Ranking of Active Region Source Properties in Solar Flare Forecasting and the Uncompromised Stochasticity of Flare Occurrence [PDF]
Astrophysical Journal, 2019 Solar flares originate from magnetically active regions (ARs) but not all solar ARs give rise to a flare. Therefore, the challenge of solar flare prediction benefits from an intelligent computational analysis of physics-based properties extracted from AR
C. Campi +5 more
semanticscholar +1 more source
Persistent Quasi-periodic Pulsations during a Large X-class Solar Flare [PDF]
Astrophysical Journal, 2019 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 flares, yet in some cases, their presence is detected late into the ...
L. Hayes +5 more
semanticscholar +1 more source