activity
20092026
most citedParker Solar Probe: Four Years of Discoveries at Solar Cycle Minimum

158 citations · 1.2k across the 65 of their papers we have counts for

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Showing astro-ph.HEShow all

12 papers · 1 filter

astro-ph.HE2024★ 6 cited

Role of magnetic arcades in explaining the puzzle of the gamma-ray emission from the solar disk

Eleonora Puzzoni, Federico Fraschetti, József Kóta +1

The interpretation of gamma-ray emission originating from the solar disk ( in angular size) as due to the interaction of Galactic Cosmic Rays (GCRs) with the solar atmos…

astro-ph.HE2024★ 2 cited

Flat Spectra of Energetic Particles in Interplanetary Shock Precursors

Mikhail Malkov, Joe Giacalone, Fan Guo

The observed energy spectra of accelerated particles at interplanetary shocks often do not match the diffusive shock acceleration (DSA) theory predictions. In some cases, the parti…

astro-ph.HE2022★ 4 cited

On the Energy Dependence of Galactic Cosmic Ray Anisotropies in the Very Local Interstellar Medium

Romina Nikoukar, Matthew E. Hill, Lawrence Brown +11

We report on the energy dependence of galactic cosmic rays (GCRs) in the very local interstellar medium (VLISM) as measured by the Low Energy Charged Particle (LECP) instrument on…

astro-ph.HE2020★ 7 cited

Bi-directional streaming of particles accelerated at the STEREO-A shock on 9th March 2008

Federico Fraschetti, Joe Giacalone

We present an interpretation of anisotropy and intensity of supra-thermal ions near a fast quasi-perpendicular reverse shock measured by Solar Terrestrial Relations Observatory Ahe…

astro-ph.HE2018★ 13 cited

Vortical amplification of magnetic field at inward shock of supernova remnant Cassiopeia A

F. Fraschetti, S. Katsuda, T. Sato +2

We present an interpretation of the time variability of the -ray flux recently reported from a multi-epoch campaign of years observations of the supernova remnant Cassiopei…

astro-ph.HE2015★ 18 cited

Localized enhancements of energetic particles at oblique collisionless shocks

Federico Fraschetti, Joe Giacalone

We investigate the spatial distribution of charged particles accelerated by non-relativistic oblique fast collisionless shocks using three-dimensional test-particle simulations. We…