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6 papers · 2 filters
Coronal hole picoflare jets are progenitors of both fast and Alfvénic slow solar wind
L. P. Chitta, Z. Huang, R. D'Amicis +19
Solar wind, classified by its bulk speed and the Alfvénic nature of its fluctuations, generates the heliosphere. The elusive physical processes responsible for the generation of th…
Effects of background solar wind and drag force on the propagation of coronal mass ejection driven shock
Chin-Chun Wu, Kan Liou, Brian E. Wood +1
Propagation of interplanetary (IP) shocks, particularly those driven by coronal mass ejections (CMEs), is still an outstanding question in heliophysics and space weather forecastin…
Global Simulation of the Solar Wind: A Comparison With Parker Solar Probe Observations During 2018-2022
Chin-Chun Wu, Kan Liou, Brian E. Wood +1
Global magnetohydrodynamic (MHD) models play an important role in the infrastructure of space weather forecasting. Validating such models commonly utilizes in situ solar wind measu…
Modeling Time-Variable Elemental Abundances in Coronal Loop Simulations
Jeffrey W. Reep, John Unverferth, Will T. Barnes +1
Numerous recent X-ray observations of coronal loops in both active regions (ARs) and solar flares have shown clearly that elemental abundances vary with time. Over the course of a…
Exploring the directly imaged HD 1160 system through spectroscopic characterization and high-cadence variability monitoring
Ben J. Sutlieff, Jayne L. Birkby, Jordan M. Stone +15
The time variability and spectra of directly imaged companions provide insight into their physical properties and atmospheric dynamics. We present follow-up R~40 spectrophotometric…
Solar Energetic Particle Charge States and Abundances with Nonthermal Electrons
Jin-Yi Lee, Stephen Kahler, John C. Raymond +1
An important aspect of solar energetic particle (SEP) events is their source populations. Elemental abundance enhancements of impulsive SEP events, originating in presumed coronal…