Approaching Solar Maximum 24 with Stereo-Multipoint Observations of Solar Energetic Particle Events
Nina Dresing,Christina Cohen,Raúl Gómez-Herrero,Bernd Heber,Andreas Klassen,R. A. Leske,G. M. Mason,R. A. Mewaldt,T. T. von Rosenvinge +8 more
TL;DR: In this article, the authors provide an overview of recent results obtained by the STEREO/IMPACT team in combination with observations by the ACE and SOHO spacecraft, focusing especially on multi-spacecraft investigations of SEP events.
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Abstract: Since the beginning of the Solar Terrestrial Relations Observatory (STEREO) mission at the end of 2006, the two spacecraft have now separated by more than 130 ∘ degrees from the Earth. A 360-degree view of the Sun has been possible since February 2011, providing multipoint in situ and remote sensing observations of unprecedented quality. Combining STEREO observations with near-Earth measurements allows the study of solar energetic particle (SEP) events over a wide longitudinal range with minimal radial gradient effects. This contribution provides an overview of recent results obtained by the STEREO/IMPACT team in combination with observations by the ACE and SOHO spacecraft. We focus especially on multi-spacecraft investigations of SEP events. The large longitudinal spread of electron and 3He-rich events as well as unusual anisotropies will be presented and discussed.
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Citations
Real‐time prediction of the occurrence and intensity of the first hours of >100 MeV solar energetic proton events
TL;DR: In this paper, a new model for predicting the occurrence of >100MeV solar energetic proton (SEP) events and the first hours of the >100 MeV integral proton flux is presented.
48
Multi-spacecraft observations and transport simulations of solar energetic particles for the May 17th 2012 GLE event
Markus Battarbee,Jingnan Guo,Silvia Dalla,Robert F. Wimmer-Schweingruber,Bill Swalwell,David J. Lawrence +5 more
TL;DR: In this article, the first GLE-event of solar cycle 24, from 17th May 2012, using data from multiple spacecraft (SOHO, GOES, MSL, STEREO-A, Stero-B, and MESSENGINEER) were studied, covering nearly the whole range of heliospheric longitudes.
A 360° Survey of Solar Energetic Particle Events and One Extreme Event
R. A. Mewaldt,Christina Cohen,Richard Leske,G. M. Mason,Tycho von Rosenvinge +4 more
- 18 Aug 2016
TL;DR: A 3-point longitudinal survey of solar energetic particle (SEP) events during 2010-2014 using data from the STEREO and near-Earth spacecraft is presented in this article.
Simulations of Field Line Random Walk in Noisy Slab Turbulence
A. Shalchi,V G Arendt +1 more
TL;DR: Simulations of field line random walk in noisy slab turbulence demonstrate the importance of a large number of wave modes for accurate results, and validate analytical theories for this type of three-dimensional turbulence with small Kubo numbers.
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Multi-spacecraft observations and transport simulations of solar energetic particles for the May 17th 2012 event
Markus Battarbee,Jingnan Guo,Silvia Dalla,Robert F. Wimmer-Schweingruber,Bill Swalwell,David J. Lawrence +5 more
TL;DR: In this paper, the first GLE-event of solar cycle 24, from 17th May 2012, using data from multiple spacecraft (SOHO, GOES, MSL, STEREO-A, Stero-B, and MESSENGINEER) was studied, at heliocentric distances between 0.34 and 1.5 astronomical units.
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The Plasma and Suprathermal Ion Composition (PLASTIC) Investigation on the STEREO Observatories
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TL;DR: The Plasma and Suprathermal Ion Composition (PLASTIC) investigation as discussed by the authors provides the in situ solar wind and low energy heliospheric ion measurements for the NASA Solar Terrestrial Relations Observatory Mission, which consists of two spacecraft (STEREO-A, STEREO-B).
The Longitudinal Properties of a Solar Energetic Particle Event Investigated Using Modern Solar Imaging
Alexis Rouillard,Alexis Rouillard,Alexis Rouillard,N. R. Sheeley,Allan J. Tylka,Angelos Vourlidas,Chee K. Ng,Chee K. Ng,Cara E. Rakowski,Christina Cohen,R. A. Mewaldt,G. M. Mason,Donald V. Reames,Neel Savani,O. C. StCyr,Adam Szabo +15 more
TL;DR: In this paper, the authors analyzed the relation between the eruption of the CME, the evolution of an Extreme Ultraviolet (EUV) wave, and the onset of a solar energetic particle (SEP) event measured in situ by the STEREO and near-Earth orbiting spacecraft.