The origin, early evolution and predictability of solar eruptions

LM Green, T Török, B Vršnak, W Manchester… - Space Science …, 2018 - Springer
Coronal mass ejections (CMEs) were discovered in the early 1970s when space-borne
coronagraphs revealed that eruptions of plasma are ejected from the Sun. Today, it is known …

Flare-productive active regions

S Toriumi, H Wang - Living Reviews in Solar Physics, 2019 - Springer
Strong solar flares and coronal mass ejections, here defined not only as the bursts of
electromagnetic radiation but as the entire process in which magnetic energy is released …

A characteristic magnetic field pattern associated with all major solar flares and its use in flare forecasting

CJ Schrijver - The Astrophysical Journal, 2007 - iopscience.iop.org
Solar flares result from some electromagnetic instability that occurs within regions of
relatively strong magnetic field in the Sun's atmosphere. The processes that enable and …

Photospheric magnetic field properties of flaring versus flare-quiet active regions. I. Data, general approach, and sample results

KD Leka, G Barnes - The Astrophysical Journal, 2003 - iopscience.iop.org
Photospheric vector magnetic field data from the University of Hawai'i Imaging Vector
Magnetograph, with good spatial and temporal sampling, are used to study the question of …

Patterns of current helicity for solar cycle 22

S Bao, H Zhang - The Astrophysical Journal, 1998 - iopscience.iop.org
Using a 1988–1997 data set of original photospheric vector magnetograms from the Solar
Magnetic Field Telescope (SMFT) of the Huairou Solar Observing Station of Beijing …

Testing automated solar flare forecasting with 13 years of Michelson Doppler Imager magnetograms

JP Mason, JT Hoeksema - The Astrophysical Journal, 2010 - iopscience.iop.org
Flare occurrence is statistically associated with changes in several characteristics of the line-
of-sight magnetic field in solar active regions (ARs). We calculated magnetic measures …

Statistical assessment of photospheric magnetic features in imminent solar flare predictions

H Song, C Tan, J Jing, H Wang, V Yurchyshyn… - Solar Physics, 2009 - Springer
In this study we use the ordinal logistic regression method to establish a prediction model,
which estimates the probability for each solar active region to produce X-, M-, or C-class …

Analysis of electric current helicity in active regions on the basis of vector magnetograms

VI Abramenko, T Wang, VB Yurchishin - Solar Physics, 1996 - Springer
The problem of (dc) magnetic field energy build up in the solar atmosphere is addressed.
Although large-scale current generation may be due to large-scale shearing motions in the …

The source and engine of coronal mass ejections

MK Georgoulis, A Nindos… - … Transactions of the …, 2019 - royalsocietypublishing.org
Coronal mass ejections (CMEs) are large-scale expulsions of coronal plasma and magnetic
field propagating through the heliosphere. Because CMEs are observed by white-light …

A solar flare model based on magnetic reconnection between current-carrying loops

DB Melrose - The Astrophysical Journal, 1997 - iopscience.iop.org
ABSTRACT A model for solar flares is proposed in which the flare energy is the magnetic
energy released when two current-carrying flux loops reconnect to form two new current …