activity
20132026
most citedThe Solar Orbiter Science Activity Plan: translating solar and heliospheric physics questions into action

112 citations · 513 across the 18 of their papers we have counts for

collaborators
Showing astro-ph.SRShow all

14 papers · 1 filter

astro-ph.SR2026

Solar Orbiter SEP Dropout during a Magnetic Cloud with Evidence for Strong Connectivity Gradients

Radoslav Bucik, Raul Gomez-Herrero, Samuel T. Hart +2

We analyze an impulsive solar energetic particle (SEP) event observed by Solar Orbiter at 0.93 au on 2022 December 24 that exhibits a pronounced intensity dropout between approxima…

astro-ph.SR2024

An Overview of Solar Orbiter Observations of Interplanetary Shocks in Solar Cycle 25

D. Trotta, A. Dimmock, H. Hietala +17

Interplanetary shocks are fundamental constituents of the heliosphere, where they form as a result of solar activity. We use previously unavailable measurements of interplanetary s…

astro-ph.SR2023

Solar Electron Beam -- Langmuir Wave Interactions and How They Modify Solar Electron Beam Spectra: Solar Orbiter Observations of a Match Made in the Heliosphere

Camille Y. Lorfing, Hamish A. S. Reid, Raul Gomez-Herrero +7

Solar Orbiter's four in-situ instruments have recorded numerous energetic electron events at heliocentric distances between 0.5 and 1au. We analyse energetic electron fluxes, spect…

astro-ph.SR2021★ 23 cited

The Long Period of 3He-rich Solar Energetic Particles Measured by Solar Orbiter on 2020 November 17-23

R. Bucik, G. M. Mason, R. Gomez-Herrero +31

We report observations of a relatively long period of 3He-rich solar energetic particles (SEPs) measured by Solar Orbiter. The period consists of several well-resolved ion injectio…

astro-ph.SR2020★ 112 cited

The Solar Orbiter Science Activity Plan: translating solar and heliospheric physics questions into action

I. Zouganelis, A. De Groof, A. P. Walsh +182

Solar Orbiter is the first space mission observing the solar plasma both in situ and remotely, from a close distance, in and out of the ecliptic. The ultimate goal is to understand…

astro-ph.SR2019★ 31 cited

Statistical results for solar energetic electron spectra observed over 12 years with STEREO/SEPT

Nina Dresing, Frederic Effenberger, Raul Gomez-Herrero +5

We present a statistical analysis of near-relativistic (NR) solar energetic electron event spectra near 1au. We use measurements of the STEREO Solar Electron and Proton Telescope (…

astro-ph.SR2019★ 11 cited

Comprehensive Characterization of Solar Eruptions With Remote and In-Situ Observations, and Modeling: The Major Solar Events on 4 November 2015

Iver H. Cairns, Kamen A. Kozarev, Nariaki V. Nitta +12

Solar energetic particles (SEPs) are an important product of solar activity. They are connected to solar active regions and flares, coronal mass ejections (CMEs), EUV waves, shocks…

astro-ph.SR2018★ 41 cited

3He-Rich Solar Energetic Particles from Sunspot Jets

R. Bucik, M. E. Wiedenbeck, G. M. Mason +3

Solar sources of suprathermal (<1 MeV/nucleon) 3He-rich solar energetic particles (SEPs) have been commonly associated with jets originating in small, compact active regions at the…

astro-ph.SR2018★ 1 cited

Spectroscopic EUV observations of impulsive solar energetic particle event sources

R. Bucik, A. Fludra, R. Gomez-Herrero +4

Context. The remote observations of solar flare ion acceleration are rather limited. There are theoretical predictions for signatures of ion acceleration in EUV line profiles. Prev…

astro-ph.SR2017★ 57 cited

3He-Rich Solar Energetic Particles in Helical Jets on the Sun

Radoslav Bucik, Davina E. Innes, Glenn M. Mason +3

Particle acceleration in stellar flares is ubiquitous in the Universe, however, our Sun is the only astrophysical object where energetic particles and their source flares can both…

astro-ph.SR2015★ 31 cited

Long-lived energetic particle source regions on the Sun

R. Bucik, D. E. Innes, N. -H. Chen +3

Discovered more than 40 years ago, impulsive solar energetic particle (SEP) events are still poorly understood. The enormous abundance enhancement of the rare 3He isotope is the mo…

astro-ph.SR2014★ 82 cited

The Solar Energetic Particle Event on 2013 April 11: An Investigation of its Solar Origin and Longitudinal Spread

D. Lario, N. E. Raouafi, R. -Y. Kwon +4

We investigate the solar phenomena associated with the origin of the solar energetic particle (SEP) event observed on 2013 April 11 by a number of spacecraft distributed in the inn…

astro-ph.SR2014★ 61 cited

Multi-Spacecraft Observations of Recurrent 3He-Rich Solar Energetic Particles

R. Bucik, D. E. Innes, U. Mall +3

We study the origin of 3He-rich solar energetic particles (<1 MeV/nucleon) that are observed consecutively on STEREO-B, ACE, and STEREO-A spacecraft when they are separated in heli…

astro-ph.SR2013★ 2 cited

3He-rich SEP Events Observed by STEREO-A

R. Bucik, U. Mall, A. Korth +2

Using the SIT (Suprathermal Ion Telescope) instrument on STEREO-A we have examined the abundance of the rare isotope 3He during the rising activity phase of solar cycle 24 between…