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Found 4 entries in the Bibliography.
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We present a 3D geometrical model to describe the propagation and expansion of CMEs in the interplanetary space based on radiative proxies to be implemented in previous procedures that use SXR and microwave emissions to estimate the Earth-directed CME propagation speed. We carefully selected a sample of 45 well-defined CME-ICME events to evaluate our model. We computed this 3D geometrical model for each event as a tool to improve the arrival time predictions based on radiative proxies. We conducted a different analysis for e ...
Published by: Monthly Notices of the Royal Astronomical Society Published on: 05/2021
YEAR: 2021   DOI: 10.1093/mnras/stab1232
Context. The Parker Solar Probe and the incoming Solar Orbiter mission will provide measurements of solar energetic particle (SEP) events at close heliocentric distances from the Sun. Up to present, the largest data set of SEP events in the inner heliosphere are the observations by the two Helios spacecraft.
Aims. We re-visit a sample of 15 solar relativistic electron events measured by the Helios mission with the goal of better characterising the injection histories of solar energetic particles a ...
Published by: Astronomy \& Astrophysics Published on: 01/2019
YEAR: 2019   DOI: 10.1051/0004-6361/201834520
The current fleet of space-based solar observatories offers us a wealth of opportunities to study solar flares over a range of wavelengths. Significant advances in our understanding of flare physics often come from coordinated observations between multiple instruments. Consequently, considerable efforts have been, and continue to be, made to coordinate observations among instruments ( e.g. through the Max Millennium Program of Solar Flare Research). However, there has been no study to date that quantifies how many flares ...
Published by: Solar Physics Published on: 02/2018
YEAR: 2018   DOI: 10.1007/s11207-017-1233-x
Solar flare accelerated electrons escaping into the interplanetary space and seen as type III solar radio bursts are often detected near the Earth. Using numerical simulations we consider the evolution of energetic electron spectrum in the inner heliosphere and near the Earth. The role of Langmuir wave generation, heliospheric plasma density fluctuations, and expansion of magnetic field lines on the electron peak flux and fluence spectra is studied to predict the electron properties as could be observed by Solar Orbiter a ...
Published by: Solar Physics Published on: 07/2013
YEAR: 2013   DOI: 10.1007/s11207-012-0013-x