Search Results - "Bonnell, J."
-
1
Short Gamma-Ray Bursts with Extended Emission
Published in The Astrophysical journal (20-05-2006)“…The recent association of several short gamma-ray bursts (GRBs) with early-type galaxies with low star formation rates demonstrates that short bursts arise…”
Get full text
Journal Article -
2
Highly Structured Slow Solar Wind Emerging From an Equatorial Coronal Hole
Published in Nature (London) (12-12-2019)“…At solar minimum, the solar wind is observed at high solar latitudes as a predominantly fast (> 500 km/s), highly Alfvenic, rarefied stream of plasma…”
Get full text
Journal Article -
3
Synthetic Empirical Chorus Wave Model From Combined Van Allen Probes and Cluster Statistics
Published in Journal of geophysical research. Space physics (01-01-2018)“…Chorus waves are among the most important natural electromagnetic emissions in the magnetosphere as regards to their potential effects on electron dynamics…”
Get full text
Journal Article -
4
The Solar Probe Plus Radio Frequency Spectrometer: Measurement requirements, analog design, and digital signal processing
Published in Journal of geophysical research. Space physics (01-03-2017)“…The Radio Frequency Spectrometer (RFS) is a two‐channel digital receiver and spectrometer, which will make remote sensing observations of radio waves and in…”
Get full text
Journal Article -
5
A THEMIS multicase study of dipolarization fronts in the magnetotail plasma sheet
Published in Journal of Geophysical Research: Space Physics (01-05-2011)“…We discuss results of a superposed epoch analysis of dipolarization fronts, rapid (δt < 30 s), high‐amplitude (δBz > 10 nT) increases in the northward magnetic…”
Get full text
Journal Article -
6
First Results from the THEMIS Mission
Published in Space science reviews (01-12-2008)“…THEMIS was launched on February 17, 2007 to determine the trigger and large-scale evolution of substorms. During the first seven months of the mission the five…”
Get full text
Journal Article -
7
EMIC Wave Scale Size in the Inner Magnetosphere: Observations From the Dual Van Allen Probes
Published in Geophysical research letters (16-02-2017)“…Estimating the spatial scales of electromagnetic ion cyclotron (EMIC) waves is critical for quantifying their overall scattering efficiency and effects on…”
Get full text
Journal Article -
8
Phase Decoherence Within Intense Chorus Wave Packets Constrains the Efficiency of Nonlinear Resonant Electron Acceleration
Published in Geophysical research letters (28-10-2020)“…Electron resonant interaction with whistler mode waves is traditionally considered as one of the main drivers of radiation belt dynamics. The two main…”
Get full text
Journal Article -
9
Large-amplitude, Wideband, Doppler-shifted, Ion Acoustic Waves Observed on the Parker Solar Probe
Published in The Astrophysical journal (01-10-2020)“…Electric field spectra measured on the Parker Solar Probe typically contain upwards of 1000 large-amplitude (∼15 mV m−1), wideband (∼100-15,000 Hz),…”
Get full text
Journal Article -
10
Energy transport by kinetic-scale electromagnetic waves in fast plasma sheet flows
Published in Journal of Geophysical Research: Space Physics (01-09-2012)“…We report observations from the THEMIS spacecraft characterizing the nature and importance of low frequency electromagnetic fluctuations on kinetic scales…”
Get full text
Journal Article -
11
Spatial Extent and Temporal Correlation of Chorus and Hiss: Statistical Results From Multipoint THEMIS Observations
Published in Journal of geophysical research. Space physics (01-10-2018)“…The spatial localization of whistler mode waves, determined by their generation process, propagation, and damping, is important for assessing the efficiency of…”
Get full text
Journal Article -
12
THEMIS observations of an earthward-propagating dipolarization front
Published in Geophysical research letters (01-07-2009)“…We report THEMIS observations of a dipolarization front, a sharp, large‐amplitude increase in the Z‐component of the magnetic field. The front was detected in…”
Get full text
Journal Article -
13
Parker Solar Probe Enters the Magnetically Dominated Solar Corona
Published in Physical review letters (17-12-2021)“…The high temperatures and strong magnetic fields of the solar corona form streams of solar wind that expand through the Solar System into interstellar space…”
Get full text
Journal Article -
14
Observation Linking the Origin of Plasmaspheric Hiss to Discrete Chorus Emissions
Published in Science (American Association for the Advancement of Science) (08-05-2009)“…A long-standing problem in the field of space physics has been the origin of plasmaspheric hiss, a naturally occurring electromagnetic wave in the high-density…”
Get full text
Journal Article -
15
Constraining Ion-Scale Heating and Spectral Energy Transfer in Observations of Plasma Turbulence
Published in Physical review letters (10-07-2020)“…We perform a statistical study of the turbulent power spectrum at inertial and kinetic scales observed during the first perihelion encounter of the Parker…”
Get full text
Journal Article -
16
Chorus Whistler Wave Source Scales As Determined From Multipoint Van Allen Probe Measurements
Published in Geophysical research letters (28-03-2017)“…Whistler mode chorus waves are particularly important in outer radiation belt dynamics due to their key role in controlling the acceleration and scattering of…”
Get full text
Journal Article -
17
Observations of coincident EMIC wave activity and duskside energetic electron precipitation on 18-19 January 2013
Published in Geophysical research letters (28-07-2015)“…Electromagnetic ion cyclotron (EMIC) waves have been suggested to be a cause of radiation belt electron loss to the atmosphere. Here simultaneous, magnetically…”
Get full text
Journal Article -
18
Time Scales for Electron Quasi‐linear Diffusion by Lower‐Band Chorus Waves: The Effects of ωpe/Ωce Dependence on Geomagnetic Activity
Published in Geophysical research letters (28-06-2019)“…Electron scattering by chorus waves is an important mechanism that can lead to fast electron acceleration and loss in the outer radiation belt. Making use of…”
Get full text
Journal Article -
19
Strong Perpendicular Velocity-space Diffusion in Proton Beams Observed by Parker Solar Probe
Published in The Astrophysical journal (01-01-2022)“…Abstract The SWEAP instrument suite on Parker Solar Probe (PSP) has detected numerous proton beams associated with coherent, circularly polarized, ion-scale…”
Get full text
Journal Article -
20
Electron‐acoustic solitons and double layers in the inner magnetosphere
Published in Geophysical research letters (28-05-2017)“…The Van Allen Probes observe generally two types of electrostatic solitary waves (ESW) contributing to the broadband electrostatic wave activity in the…”
Get full text
Journal Article