PSP Bibliography | Parker Solar Probe Science Gateway

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Found 5 entries in the Bibliography.

Showing entries from 1 through 5

2022

The Effect of the Fluctuating Interplanetary Magnetic Field on the Cosmic Ray Intensity Profile of the Ground-level Enhancement (GLE) Events

We numerically integrate the equations of motion of a large number of GeV protons, released impulsively near the Sun, in order to study their time-intensity behavior at the location of an observer at 1 au. This is relevant to the interpretation of Ground Level Enhancements (GLEs) detected by neutron monitors on Earth. Generally, the observed time-intensity profiles reveal a single sharp rise, followed by slow decay. However, in the 1989 October 22 GLE event, there was an initial sharp spike followed by a secondary smaller sp ...

Moradi, Ashraf; Giacalone, Joe;

Published by: \apj Published on: jun

YEAR: 2022 DOI: 10.3847/1538-4357/ac66e0

Parker Data Used; Solar energetic particles; interplanetary magnetic fields; interplanetary turbulence; solar flares; Solar coronal mass ejections; Solar coronal mass ejection shocks; 1491; 824; 830; 1496; 310; 1997

2021

Energetic Electron Observations by Parker Solar Probe/IS\ensuremath\odotIS during the First Widespread SEP Event of Solar Cycle 25 on 2020 November 29

At the end of 2020 November, two coronal mass ejections (CMEs) erupted from the Sun and propagated through the interplanetary medium in the direction of Parker Solar Probe while the spacecraft was located at \raisebox-0.5ex\textasciitilde0.81 au. The passage of these interplanetary CMEs (ICMEs) starting on November 29 (DOY 334) produced the largest enhancement of energetic ions and electrons observed by the Integrated Science Investigation of the Sun (IS\ensuremath\odotIS) energetic particle instrument suite on board Parker ...

Mitchell, J.~G.; De Nolfo, G.~A.; Hill, M.~E.; Christian, E.~R.; Richardson, I.~G.; McComas, D.~J.; McNutt, R.~L.; Mitchell, D.~G.; Schwadron, N.~A.; Bale, S.~D.; Giacalone, J.; Joyce, C.~J.; Niehof, J.~T.; Szalay, J.~R.;

Published by: \apj Published on: oct

YEAR: 2021 DOI: 10.3847/1538-4357/ac110e

Parker Data Used; solar flares; Solar activity; Solar coronal mass ejection shocks; Interplanetary shocks; Solar energetic particles; Solar particle emission; 1496; 1475; 1997; 829; 1491; 1517

Correlation of the Sunspot Number and the Waiting-time Distribution of Solar Flares, Coronal Mass Ejections, and Solar Wind Switchback Events Observed with the Parker Solar Probe

Waiting-time distributions of solar flares and coronal mass ejections (CMEs) exhibit power-law-like distribution functions with slopes in the range of α_τ ≍ 1.4-3.2, as observed in annual data sets during four solar cycles (1974-2012). We find a close correlation between the waiting-time power-law slope α_τ and the sunspot number (SN), i.e., α_τ = 1.38 + 0.01 × SN. The waiting-time distribution can be fitted with a Pareto-type function of the form N(τ) = N₀ $(\tau _0+\tau )^ ...

Aschwanden, Markus; de Wit, Thierry;

Published by: The Astrophysical Journal Published on: 05/2021

YEAR: 2021 DOI: 10.3847/1538-4357/abef69

Parker Data Used; Solar wind; solar flares; 1534; 1496; Astrophysics - Solar and Stellar Astrophysics

2020

CME-associated Energetic Ions at 0.23 au: Consideration of the Auroral Pressure Cooker Mechanism Operating in the Low Corona as a Possible Energization Process

Mitchell, D.~G.; Giacalone, J.; Allen, R.~C.; Hill, M.~E.; McNutt, R.~L.; McComas, D.~J.; Szalay, J.~R.; Schwadron, N.~A.; Rouillard, A.~P.; Bale, S.~B.; Chaston, C.~C.; Pulupa, M.~P.; Whittlesey, P.~L.; Kasper, J.~C.; MacDowall, R.~J.; Christian, E.~R.; Wiedenbeck, M.~E.; Matthaeus, W.~H.;