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ARCAFF: Active Region Classification and Flare Forecasting

Authors: Wright, Paul; Maloney, Shane; Murray, Sophie; Gallagher, Peter; Massone, Anna; Piana, Michele; Candiani, Valentina; +6 Authors

ARCAFF: Active Region Classification and Flare Forecasting

Abstract

The Sun is an enigmatic star that produces the most powerful explosive events in our solar system – solar flares and coronal mass ejections. Studying these phenomena can provide a unique opportunity to develop a deeper understanding of fundamental processes on the Sun, and critically, to better forecast space weather. The Active Region Classification and Flare Forecasting (ARCAFF) project will develop a beyond state-of-the-art flare forecasting system utilising end-to-end deep learning (DL) models to significantly improve upon traditional flare forecasting capabilities. The large amount of available space-based solar observations are an ideal candidate for this type of analysis, given DL effectiveness in modelling complex relationships. DL has already been successfully developed and deployed in weather forecasting, financial services, and health care domains but has not been fully exploited in the solar physics domain. ARCAFF will increase the accuracy and timeliness of current operational flare forecast products and create new time series flare forecasts with uncertainties. The forecasts will be benchmarked against current systems using international community standards. The datasets and codes developed for ARCAFF will be made openly available to support further research efforts and encourage their re-use. This presentation will provide a short overview of the project and present early results from the two ARCAFF topics, Active Region classifications using magnetogram cutouts Active Region detection and classification using full disk magnetograms.

Keywords

machine learning, solar flares, deep learning, solar physics

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selected citations
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This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
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popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
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