Speaker
Description
First Name: Laura
Last Name: Rodríguez-García
Email Address: lau.rod.gar@gmail.com
Affiliation: European Space Agency
All Authors: Laura Rodríguez-García
Abstract: Solar Orbiter and Parker Solar Probe are providing unprecedented observations of solar energetic particles (SEPs) close to the Sun. Solar Orbiter’s Energetic Particle Detector (EPD) measures SEPs with high temporal and spatial resolution and has revealed key characteristics of SEP events—including onset timing, energy spectra, anisotropies, and composition—at distances down to 0.28 au. These measurements have advanced our understanding of SEP injection, acceleration, and transport processes, and their connections to flares, jets, CMEs, and interplanetary shocks. Solar Orbiter’s unique orbit has enabled multi-spacecraft studies of SEP evolution in the inner heliosphere. Parker Solar Probe reached a record perihelion of 9.8 solar radii in December 2024. Its ISʘIS instrument suite continues to operate in excellent condition, returning data on energetic ions and electrons across a broad energy range. These measurements provide unprecedented views of SEP behavior extremely close to the Sun, particularly as solar activity increased toward the maximum of Solar Cycle 25. Together, the complementary observations from EPD and ISʘIS are offering new insight into how solar eruptions produce and distribute energetic particle radiation throughout the heliosphere. This presentation highlights the most recent and significant results from both missions and their combined contributions to advancing our understanding of SEPs.