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Article
Open AccessOxygen torus and its coincidence with EMIC wave in the deep inner magnetosphere: Van Allen Probe B and Arase observations
We investigate the longitudinal structure of the oxygen torus in the inner magnetosphere for a specific event found on 12 September 2017, using simultaneous observations from the Van Allen Probe B and Arase sa...
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Article
Alfvénic velocity spikes and rotational flows in the near-Sun solar wind
The prediction of a supersonic solar wind1 was first confirmed by spacecraft near Earth2,3 and later by spacecraft at heliocentric distances as small as 62 solar radii4. These missions showed that plasma accelera...
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Article
Probing the energetic particle environment near the Sun
NASA’s Parker Solar Probe mission1 recently plunged through the inner heliosphere of the Sun to its perihelia, about 24 million kilometres from the Sun. Previous studies farther from the Sun (performed mostly at ...
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Article
Highly structured slow solar wind emerging from an equatorial coronal hole
During the solar minimum, when the Sun is at its least active, the solar wind1,2 is observed at high latitudes as a predominantly fast (more than 500 kilometres per second), highly Alfvénic rarefied stream of pla...
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Article
New Evidence for Third Harmonic Electromagnetic Radiation in Interplanetary Type III Solar Radio Bursts
This article provides new evidence for a third harmonic component in the electromagnetic radiation generated by interplanetary type III solar radio bursts observed locally near 1 AU. This evidence comes mainly...
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Article
Open AccessThe FIELDS Instrument Suite for Solar Probe Plus
NASA’s Solar Probe Plus (SPP) mission will make the first in situ measurements of the solar corona and the birthplace of the solar wind. The FIELDS instrument suite on SPP will make direct measurements of electri...
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Article
Electron Exciter Speeds Associated with Interplanetary Type III Solar Radio Bursts
This article provides a comprehensive quantitative investigation of the kinematics of the electron exciters associated with interplanetary type III solar radio bursts. Detailed multispacecraft analyses of the ...
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Chapter
The Electric and Magnetic Field Instrument Suite and Integrated Science (EMFISIS) on RBSP
The Electric and Magnetic Field Instrument and Integrated Science (EMFISIS) investigation on the NASA Radiation Belt Storm Probes (now named the Van Allen Probes) mission provides key wave and very low frequen...
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Article
Open AccessThe Electric and Magnetic Field Instrument Suite and Integrated Science (EMFISIS) on RBSP
The Electric and Magnetic Field Instrument and Integrated Science (EMFISIS) investigation on the NASA Radiation Belt Storm Probes (now named the Van Allen Probes) mission provides key wave and very low frequen...
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Article
S/WAVES: The Radio and Plasma Wave Investigation on the STEREO Mission
This paper introduces and describes the radio and plasma wave investigation on the STEREO Mission: STEREO/WAVES or S/WAVES. The S/WAVES instrument includes a suite of state-of-the-art experiments that provide ...
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Article
The Solar Terrestrial Relations Observatory (STEREO) Education and Outreach (E/PO) Program
The STEREO mission’s Education and Outreach (E/PO) program began early enough its team benefited from many lessons learned as NASA’s E/PO profession matured. Originally made up of discrete programs, by launch...
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Chapter
S/WAVES: The Radio and Plasma Wave Investigation on the STEREO Mission
This paper introduces and describes the radio and plasma wave investigation on the STEREO Mission: STEREO/WAVES or S/WAVES. The S/WAVES instrument includes a suite of state-of-the-art experiments that provide ...
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Chapter and Conference Paper
Monte Carlo Simulation of Scattering of Solar Radio Emissions
We present Monte Carlo simulation techniques which are used to study the scattering of the solar and interplanetary radio emissions, both thermal and non-thermal, by random density fluctuations. We examine to...
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Chapter
The Solar Terrestrial Relations Observatory (STEREO) Education and Outreach (E/PO) Program
The STEREO mission’s Education and Outreach (E/PO) program began early enough its team benefited from many lessons learned as NASA’s E/PO profession matured. Originally made up of discrete programs, by launch ...
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Article
Langmuir Wave Activity: Comparing the Ulysses Solar Minimum and Solar Maximum Orbits
We examine the occurrence and intensity of Langmuir wave activity (electrostatic waves at the electron plasma frequency) during the solar minimum and solar maximum orbits of Ulysses. At high latitudes during the ...
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Article
In situ Wave Phenomena Associated with Magnetic Clouds and Other Ejecta
We present Ulysses Unified Radio and Plasma Wave (URAP) observations of ion-acoustic waves associated with magnetic clouds and ejecta. The peak intensities of these waves, which usually occur inside CMEs when T ...
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Article
Ion Acoustic Waves in the Heliosphere
Observations of ion acoustic waves in the solar wind during the first and second orbit of the Ulysses spacecraft are presented. The observations show variations of the wave activity with the heliolatitude and wit...
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Chapter and Conference Paper
Langmuir Wave Activity: Comparing the Ulysses Solar Minimum and Solar Maximum Orbits
We examine the occurrence and intensity of Langmuir wave activity (electrostatic waves at the electron plasma frequency) during the solar minimum and solar maximum orbits of Ulysses. At high latitudes during the ...
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Chapter and Conference Paper
Ion Acoustic Waves in the Heliosphere
Observations of ion acoustic waves in the solar wind during the first and second orbit of the Ulysses spacecraft are presented. The observations show variations of the wave activity with the heliolatitude and wit...
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Chapter and Conference Paper
In Situ Wave Phenomena Associated with Magnetic Clouds and Other Ejecta
We present Ulysses Unified Radio and Plasma Wave (URAP) observations of ion-acoustic waves associated with magnetic clouds and ejecta. The peak intensities of these waves, which usually occur inside CMEs when T ...