The two sources of solar energetic particles

DV Reames - Space Science Reviews, 2013 - Springer
Evidence for two different physical mechanisms for acceleration of solar energetic particles
(SEPs) arose 50 years ago with radio observations of type III bursts, produced by outward …

Properties of ground level enhancement events and the associated solar eruptions during solar cycle 23

N Gopalswamy, H **e, S Yashiro, S Akiyama… - Space Science …, 2012 - Springer
Solar cycle 23 witnessed the most complete set of observations of coronal mass ejections
(CMEs) associated with the Ground Level Enhancement (GLE) events. We present an …

Solar flares, coronal mass ejections and solar energetic particle event characteristics

A Papaioannou, I Sandberg… - Journal of Space …, 2016 - swsc-journal.org
A new catalogue of 314 solar energetic particle (SEP) events extending over a large time
span from 1984 to 2013 has been compiled. The properties as well as the associations of …

The longitudinal properties of a solar energetic particle event investigated using modern solar imaging

AP Rouillard, NR Sheeley, A Tylka… - The Astrophysical …, 2012 - iopscience.iop.org
We use combined high-cadence, high-resolution, and multi-point imaging by the Solar-
Terrestrial Relations Observatory (STEREO) and the Solar and Heliospheric Observatory to …

The first widespread solar energetic particle event observed by Solar Orbiter on 2020 November 29

A Kollhoff, A Kouloumvakos, D Lario, N Dresing… - Astronomy & …, 2021 - aanda.org
Context. On 2020 November 29, the first widespread solar energetic particle (SEP) event of
solar cycle 25 was observed at four widely separated locations in the inner (≲ 1 AU) …

Solar release times of energetic particles in ground-level events

DV Reames - The Astrophysical Journal, 2009 - iopscience.iop.org
We study the onset times of energetic particles of various species and velocities, v, in large
solar energetic particle events with sufficiently hard spectra that are seen by neutron …

Solar energetic-particle release times in historic ground-level events

DV Reames - The Astrophysical Journal, 2009 - iopscience.iop.org
Ground-level events (GLEs) are large solar energetic-particle events with sufficiently hard
spectra for GeV protons to be detected by neutron monitors at ground level. For each of 30 …

Solar sources of impulsive solar energetic particle events and their magnetic field connection to the Earth

NV Nitta, DV Reames, ML DeRosa, Y Liu… - The Astrophysical …, 2006 - iopscience.iop.org
This paper investigates the solar origin of impulsive solar energetic particle (SEP) events,
often referred to as 3 He-rich flares, by attempting to locate the source regions of 117 events …

The first SEPServer event catalogue~ 68-MeV solar proton events observed at 1 AU in 1996–2010

R Vainio, E Valtonen, B Heber… - Journal of space …, 2013 - swsc-journal.org
SEPServer is a three-year collaborative project funded by the seventh framework
programme (FP7-SPACE) of the European Union. The objective of the project is to provide …

Circumsolar energetic particle distribution on 2011 November 3

R Gómez-Herrero, N Dresing, A Klassen… - The Astrophysical …, 2015 - iopscience.iop.org
ABSTRACT Late on 2011 November 3, STEREO-A, STEREO-B, MESSENGER, and near-
Earth spacecraft observed an energetic particle flux enhancement. Based on the analysis of …