PSP Bibliography





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Found 2027 entries in the Bibliography.


Showing entries from 151 through 200


2021

Flux Ropes, Turbulence, and Collisionless Perpendicular Shock Waves: High Plasma Beta Case

With the onset of solar maximum and the expected increased prevalence of interplanetary shock waves, Parker Solar Probe is likely to observe numerous shocks in the next few years. An outstanding question that has received surprisingly little attention has been how turbulence interacts with collisionless shock waves. Turbulence in the supersonic solar wind is described frequently as a superposition of a majority 2D and a minority slab component. We formulate a collisional perpendicular shock-turbulence transmission problem in ...

Zank, G.; Nakanotani, M.; Zhao, L.; Du, S.; Adhikari, L.; Che, H.; le Roux, J.;

Published by: The Astrophysical Journal      Published on: 06/2021

YEAR: 2021     DOI: 10.3847/1538-4357/abf7c8

Interplanetary shocks; interplanetary turbulence; 829; 830; Parker Data Used

Flux Ropes, Turbulence, and Collisionless Perpendicular Shock Waves: High Plasma Beta Case

With the onset of solar maximum and the expected increased prevalence of interplanetary shock waves, Parker Solar Probe is likely to observe numerous shocks in the next few years. An outstanding question that has received surprisingly little attention has been how turbulence interacts with collisionless shock waves. Turbulence in the supersonic solar wind is described frequently as a superposition of a majority 2D and a minority slab component. We formulate a collisional perpendicular shock-turbulence transmission problem in ...

Zank, G.; Nakanotani, M.; Zhao, L.; Du, S.; Adhikari, L.; Che, H.; le Roux, J.;

Published by: The Astrophysical Journal      Published on: 06/2021

YEAR: 2021     DOI: 10.3847/1538-4357/abf7c8

Interplanetary shocks; interplanetary turbulence; 829; 830; Parker Data Used

A Focused Transport-based Kinetic Fractional Diffusion-advection Equation for Energetic Particle Trapping and Reconnection-related Acceleration by Small-scale Magnetic Flux Ropes in the Solar Wind

Analysis of energetic particle inner heliospheric spacecraft data increasingly suggests the existence of anomalous diffusion phenomena that should be addressed to achieve a better understanding of energetic particle transport and acceleration in the expanding solar wind medium. Related to this is fast-growing observational evidence supporting the long-standing prediction from magnetohydrodynamic (MHD) theory and simulations of the presence of an inner heliospheric, dominant quasi-two-dimensional MHD turbulence component that ...

le Roux, J.; Zank, G.;

Published by: The Astrophysical Journal      Published on: 06/2021

YEAR: 2021     DOI: 10.3847/1538-4357/abf3c6

Interplanetary particle acceleration; Solar wind; Solar magnetic reconnection; 826; 1534; 1504; Parker Data Used

Time evolution of stream interaction region energetic particle spectra in the inner heliosphere

We analyze an energetic proton event associated with a stream interaction region (SIR) that was observed at Parker Solar Probe on day 320 of 2018 when the spacecraft was just 0.34 AU from the Sun. Using the Integrated Science Investigation of the Sun instrument suite, we perform a spectral analysis of the event and show how the observed spectra evolve over the course of the event. We find that the spectra from the first day of the event are much more consistent with local acceleration at a weak compression, while spectra fro ...

Joyce, C.; McComas, D.; Schwadron, N.; Christian, E.; Wiedenbeck, M.; McNutt, R.; Cohen, C.; Leske, R.; Mewaldt, R.; Stone, E.; Labrador, A.; Davis, A.; Cummings, A.; Mitchell, D.; Hill, M.; Roelof, E.; Allen, R.; Szalay, J.; Rankin, J.; Desai, M.; Giacalone, J.; Matthaeus, W.; Bale, S.; Kasper, J.;

Published by: Astronomy and Astrophysics      Published on: 06/2021

YEAR: 2021     DOI: 10.1051/0004-6361/202039330

acceleration of particles; Solar wind; magnetic fields; Parker Data Used

Time evolution of stream interaction region energetic particle spectra in the inner heliosphere

We analyze an energetic proton event associated with a stream interaction region (SIR) that was observed at Parker Solar Probe on day 320 of 2018 when the spacecraft was just 0.34 AU from the Sun. Using the Integrated Science Investigation of the Sun instrument suite, we perform a spectral analysis of the event and show how the observed spectra evolve over the course of the event. We find that the spectra from the first day of the event are much more consistent with local acceleration at a weak compression, while spectra fro ...

Joyce, C.; McComas, D.; Schwadron, N.; Christian, E.; Wiedenbeck, M.; McNutt, R.; Cohen, C.; Leske, R.; Mewaldt, R.; Stone, E.; Labrador, A.; Davis, A.; Cummings, A.; Mitchell, D.; Hill, M.; Roelof, E.; Allen, R.; Szalay, J.; Rankin, J.; Desai, M.; Giacalone, J.; Matthaeus, W.; Bale, S.; Kasper, J.;

Published by: Astronomy and Astrophysics      Published on: 06/2021

YEAR: 2021     DOI: 10.1051/0004-6361/202039330

acceleration of particles; Solar wind; magnetic fields; Parker Data Used

Time evolution of stream interaction region energetic particle spectra in the inner heliosphere

We analyze an energetic proton event associated with a stream interaction region (SIR) that was observed at Parker Solar Probe on day 320 of 2018 when the spacecraft was just 0.34 AU from the Sun. Using the Integrated Science Investigation of the Sun instrument suite, we perform a spectral analysis of the event and show how the observed spectra evolve over the course of the event. We find that the spectra from the first day of the event are much more consistent with local acceleration at a weak compression, while spectra fro ...

Joyce, C.; McComas, D.; Schwadron, N.; Christian, E.; Wiedenbeck, M.; McNutt, R.; Cohen, C.; Leske, R.; Mewaldt, R.; Stone, E.; Labrador, A.; Davis, A.; Cummings, A.; Mitchell, D.; Hill, M.; Roelof, E.; Allen, R.; Szalay, J.; Rankin, J.; Desai, M.; Giacalone, J.; Matthaeus, W.; Bale, S.; Kasper, J.;

Published by: Astronomy and Astrophysics      Published on: 06/2021

YEAR: 2021     DOI: 10.1051/0004-6361/202039330

acceleration of particles; Solar wind; magnetic fields; Parker Data Used

Time evolution of stream interaction region energetic particle spectra in the inner heliosphere

We analyze an energetic proton event associated with a stream interaction region (SIR) that was observed at Parker Solar Probe on day 320 of 2018 when the spacecraft was just 0.34 AU from the Sun. Using the Integrated Science Investigation of the Sun instrument suite, we perform a spectral analysis of the event and show how the observed spectra evolve over the course of the event. We find that the spectra from the first day of the event are much more consistent with local acceleration at a weak compression, while spectra fro ...

Joyce, C.; McComas, D.; Schwadron, N.; Christian, E.; Wiedenbeck, M.; McNutt, R.; Cohen, C.; Leske, R.; Mewaldt, R.; Stone, E.; Labrador, A.; Davis, A.; Cummings, A.; Mitchell, D.; Hill, M.; Roelof, E.; Allen, R.; Szalay, J.; Rankin, J.; Desai, M.; Giacalone, J.; Matthaeus, W.; Bale, S.; Kasper, J.;

Published by: Astronomy and Astrophysics      Published on: 06/2021

YEAR: 2021     DOI: 10.1051/0004-6361/202039330

acceleration of particles; Solar wind; magnetic fields; Parker Data Used

Time evolution of stream interaction region energetic particle spectra in the inner heliosphere

We analyze an energetic proton event associated with a stream interaction region (SIR) that was observed at Parker Solar Probe on day 320 of 2018 when the spacecraft was just 0.34 AU from the Sun. Using the Integrated Science Investigation of the Sun instrument suite, we perform a spectral analysis of the event and show how the observed spectra evolve over the course of the event. We find that the spectra from the first day of the event are much more consistent with local acceleration at a weak compression, while spectra fro ...

Joyce, C.; McComas, D.; Schwadron, N.; Christian, E.; Wiedenbeck, M.; McNutt, R.; Cohen, C.; Leske, R.; Mewaldt, R.; Stone, E.; Labrador, A.; Davis, A.; Cummings, A.; Mitchell, D.; Hill, M.; Roelof, E.; Allen, R.; Szalay, J.; Rankin, J.; Desai, M.; Giacalone, J.; Matthaeus, W.; Bale, S.; Kasper, J.;

Published by: Astronomy and Astrophysics      Published on: 06/2021

YEAR: 2021     DOI: 10.1051/0004-6361/202039330

acceleration of particles; Solar wind; magnetic fields; Parker Data Used

Time evolution of stream interaction region energetic particle spectra in the inner heliosphere

We analyze an energetic proton event associated with a stream interaction region (SIR) that was observed at Parker Solar Probe on day 320 of 2018 when the spacecraft was just 0.34 AU from the Sun. Using the Integrated Science Investigation of the Sun instrument suite, we perform a spectral analysis of the event and show how the observed spectra evolve over the course of the event. We find that the spectra from the first day of the event are much more consistent with local acceleration at a weak compression, while spectra fro ...

Joyce, C.; McComas, D.; Schwadron, N.; Christian, E.; Wiedenbeck, M.; McNutt, R.; Cohen, C.; Leske, R.; Mewaldt, R.; Stone, E.; Labrador, A.; Davis, A.; Cummings, A.; Mitchell, D.; Hill, M.; Roelof, E.; Allen, R.; Szalay, J.; Rankin, J.; Desai, M.; Giacalone, J.; Matthaeus, W.; Bale, S.; Kasper, J.;

Published by: Astronomy and Astrophysics      Published on: 06/2021

YEAR: 2021     DOI: 10.1051/0004-6361/202039330

acceleration of particles; Solar wind; magnetic fields; Parker Data Used

Time evolution of stream interaction region energetic particle spectra in the inner heliosphere

We analyze an energetic proton event associated with a stream interaction region (SIR) that was observed at Parker Solar Probe on day 320 of 2018 when the spacecraft was just 0.34 AU from the Sun. Using the Integrated Science Investigation of the Sun instrument suite, we perform a spectral analysis of the event and show how the observed spectra evolve over the course of the event. We find that the spectra from the first day of the event are much more consistent with local acceleration at a weak compression, while spectra fro ...

Joyce, C.; McComas, D.; Schwadron, N.; Christian, E.; Wiedenbeck, M.; McNutt, R.; Cohen, C.; Leske, R.; Mewaldt, R.; Stone, E.; Labrador, A.; Davis, A.; Cummings, A.; Mitchell, D.; Hill, M.; Roelof, E.; Allen, R.; Szalay, J.; Rankin, J.; Desai, M.; Giacalone, J.; Matthaeus, W.; Bale, S.; Kasper, J.;

Published by: Astronomy and Astrophysics      Published on: 06/2021

YEAR: 2021     DOI: 10.1051/0004-6361/202039330

acceleration of particles; Solar wind; magnetic fields; Parker Data Used

Time evolution of stream interaction region energetic particle spectra in the inner heliosphere

We analyze an energetic proton event associated with a stream interaction region (SIR) that was observed at Parker Solar Probe on day 320 of 2018 when the spacecraft was just 0.34 AU from the Sun. Using the Integrated Science Investigation of the Sun instrument suite, we perform a spectral analysis of the event and show how the observed spectra evolve over the course of the event. We find that the spectra from the first day of the event are much more consistent with local acceleration at a weak compression, while spectra fro ...

Joyce, C.; McComas, D.; Schwadron, N.; Christian, E.; Wiedenbeck, M.; McNutt, R.; Cohen, C.; Leske, R.; Mewaldt, R.; Stone, E.; Labrador, A.; Davis, A.; Cummings, A.; Mitchell, D.; Hill, M.; Roelof, E.; Allen, R.; Szalay, J.; Rankin, J.; Desai, M.; Giacalone, J.; Matthaeus, W.; Bale, S.; Kasper, J.;

Published by: Astronomy and Astrophysics      Published on: 06/2021

YEAR: 2021     DOI: 10.1051/0004-6361/202039330

acceleration of particles; Solar wind; magnetic fields; Parker Data Used

Energetic particle behavior in near-Sun magnetic field switchbacks from PSP

Context. The observation of numerous magnetic switchbacks and associated plasma jets in Parker Solar Probe (PSP) during its first five orbits, particularly near the Sun, has attracted considerable attention. Switchbacks have been found to be systematically associated with correlated reversals in the direction of the propagation of Alfvénic fluctuations, as well as similar reversals of the electron strahl.
Aims: Here we aim to see whether the energetic particles change direction at the magnetic field switchbacks.

Bandyopadhyay, R.; Matthaeus, W.; McComas, D.; Joyce, C.; Szalay, J.; Christian, E.; Giacalone, J.; Schwadron, N.; Mitchell, D.; Hill, M.; McNutt, R.; Desai, M.; Bale, S.; Bonnell, J.; de Wit, Dudok; Goetz, K.; Harvey, P.; MacDowall, R.; Malaspina, D.; Pulupa, M.; Kasper, J.; Stevens, M.;

Published by: Astronomy and Astrophysics      Published on: 06/2021

YEAR: 2021     DOI: 10.1051/0004-6361/202039800

Solar wind; magnetic fields; plasmas; turbulence; instabilities; waves; Parker Data Used

Energetic particle behavior in near-Sun magnetic field switchbacks from PSP

Context. The observation of numerous magnetic switchbacks and associated plasma jets in Parker Solar Probe (PSP) during its first five orbits, particularly near the Sun, has attracted considerable attention. Switchbacks have been found to be systematically associated with correlated reversals in the direction of the propagation of Alfvénic fluctuations, as well as similar reversals of the electron strahl.
Aims: Here we aim to see whether the energetic particles change direction at the magnetic field switchbacks.

Bandyopadhyay, R.; Matthaeus, W.; McComas, D.; Joyce, C.; Szalay, J.; Christian, E.; Giacalone, J.; Schwadron, N.; Mitchell, D.; Hill, M.; McNutt, R.; Desai, M.; Bale, S.; Bonnell, J.; de Wit, Dudok; Goetz, K.; Harvey, P.; MacDowall, R.; Malaspina, D.; Pulupa, M.; Kasper, J.; Stevens, M.;

Published by: Astronomy and Astrophysics      Published on: 06/2021

YEAR: 2021     DOI: 10.1051/0004-6361/202039800

Solar wind; magnetic fields; plasmas; turbulence; instabilities; waves; Parker Data Used

Energetic particle behavior in near-Sun magnetic field switchbacks from PSP

Context. The observation of numerous magnetic switchbacks and associated plasma jets in Parker Solar Probe (PSP) during its first five orbits, particularly near the Sun, has attracted considerable attention. Switchbacks have been found to be systematically associated with correlated reversals in the direction of the propagation of Alfvénic fluctuations, as well as similar reversals of the electron strahl.
Aims: Here we aim to see whether the energetic particles change direction at the magnetic field switchbacks.

Bandyopadhyay, R.; Matthaeus, W.; McComas, D.; Joyce, C.; Szalay, J.; Christian, E.; Giacalone, J.; Schwadron, N.; Mitchell, D.; Hill, M.; McNutt, R.; Desai, M.; Bale, S.; Bonnell, J.; de Wit, Dudok; Goetz, K.; Harvey, P.; MacDowall, R.; Malaspina, D.; Pulupa, M.; Kasper, J.; Stevens, M.;

Published by: Astronomy and Astrophysics      Published on: 06/2021

YEAR: 2021     DOI: 10.1051/0004-6361/202039800

Solar wind; magnetic fields; plasmas; turbulence; instabilities; waves; Parker Data Used

Energetic particle behavior in near-Sun magnetic field switchbacks from PSP

Context. The observation of numerous magnetic switchbacks and associated plasma jets in Parker Solar Probe (PSP) during its first five orbits, particularly near the Sun, has attracted considerable attention. Switchbacks have been found to be systematically associated with correlated reversals in the direction of the propagation of Alfvénic fluctuations, as well as similar reversals of the electron strahl.
Aims: Here we aim to see whether the energetic particles change direction at the magnetic field switchbacks.

Bandyopadhyay, R.; Matthaeus, W.; McComas, D.; Joyce, C.; Szalay, J.; Christian, E.; Giacalone, J.; Schwadron, N.; Mitchell, D.; Hill, M.; McNutt, R.; Desai, M.; Bale, S.; Bonnell, J.; de Wit, Dudok; Goetz, K.; Harvey, P.; MacDowall, R.; Malaspina, D.; Pulupa, M.; Kasper, J.; Stevens, M.;

Published by: Astronomy and Astrophysics      Published on: 06/2021

YEAR: 2021     DOI: 10.1051/0004-6361/202039800

Solar wind; magnetic fields; plasmas; turbulence; instabilities; waves; Parker Data Used

Energetic particle behavior in near-Sun magnetic field switchbacks from PSP

Context. The observation of numerous magnetic switchbacks and associated plasma jets in Parker Solar Probe (PSP) during its first five orbits, particularly near the Sun, has attracted considerable attention. Switchbacks have been found to be systematically associated with correlated reversals in the direction of the propagation of Alfvénic fluctuations, as well as similar reversals of the electron strahl.
Aims: Here we aim to see whether the energetic particles change direction at the magnetic field switchbacks.

Bandyopadhyay, R.; Matthaeus, W.; McComas, D.; Joyce, C.; Szalay, J.; Christian, E.; Giacalone, J.; Schwadron, N.; Mitchell, D.; Hill, M.; McNutt, R.; Desai, M.; Bale, S.; Bonnell, J.; de Wit, Dudok; Goetz, K.; Harvey, P.; MacDowall, R.; Malaspina, D.; Pulupa, M.; Kasper, J.; Stevens, M.;

Published by: Astronomy and Astrophysics      Published on: 06/2021

YEAR: 2021     DOI: 10.1051/0004-6361/202039800

Solar wind; magnetic fields; plasmas; turbulence; instabilities; waves; Parker Data Used

Energetic particle behavior in near-Sun magnetic field switchbacks from PSP

Context. The observation of numerous magnetic switchbacks and associated plasma jets in Parker Solar Probe (PSP) during its first five orbits, particularly near the Sun, has attracted considerable attention. Switchbacks have been found to be systematically associated with correlated reversals in the direction of the propagation of Alfvénic fluctuations, as well as similar reversals of the electron strahl.
Aims: Here we aim to see whether the energetic particles change direction at the magnetic field switchbacks.

Bandyopadhyay, R.; Matthaeus, W.; McComas, D.; Joyce, C.; Szalay, J.; Christian, E.; Giacalone, J.; Schwadron, N.; Mitchell, D.; Hill, M.; McNutt, R.; Desai, M.; Bale, S.; Bonnell, J.; de Wit, Dudok; Goetz, K.; Harvey, P.; MacDowall, R.; Malaspina, D.; Pulupa, M.; Kasper, J.; Stevens, M.;

Published by: Astronomy and Astrophysics      Published on: 06/2021

YEAR: 2021     DOI: 10.1051/0004-6361/202039800

Solar wind; magnetic fields; plasmas; turbulence; instabilities; waves; Parker Data Used

Energetic particle behavior in near-Sun magnetic field switchbacks from PSP

Context. The observation of numerous magnetic switchbacks and associated plasma jets in Parker Solar Probe (PSP) during its first five orbits, particularly near the Sun, has attracted considerable attention. Switchbacks have been found to be systematically associated with correlated reversals in the direction of the propagation of Alfvénic fluctuations, as well as similar reversals of the electron strahl.
Aims: Here we aim to see whether the energetic particles change direction at the magnetic field switchbacks.

Bandyopadhyay, R.; Matthaeus, W.; McComas, D.; Joyce, C.; Szalay, J.; Christian, E.; Giacalone, J.; Schwadron, N.; Mitchell, D.; Hill, M.; McNutt, R.; Desai, M.; Bale, S.; Bonnell, J.; de Wit, Dudok; Goetz, K.; Harvey, P.; MacDowall, R.; Malaspina, D.; Pulupa, M.; Kasper, J.; Stevens, M.;

Published by: Astronomy and Astrophysics      Published on: 06/2021

YEAR: 2021     DOI: 10.1051/0004-6361/202039800

Solar wind; magnetic fields; plasmas; turbulence; instabilities; waves; Parker Data Used

Energetic particle behavior in near-Sun magnetic field switchbacks from PSP

Context. The observation of numerous magnetic switchbacks and associated plasma jets in Parker Solar Probe (PSP) during its first five orbits, particularly near the Sun, has attracted considerable attention. Switchbacks have been found to be systematically associated with correlated reversals in the direction of the propagation of Alfvénic fluctuations, as well as similar reversals of the electron strahl.
Aims: Here we aim to see whether the energetic particles change direction at the magnetic field switchbacks.

Bandyopadhyay, R.; Matthaeus, W.; McComas, D.; Joyce, C.; Szalay, J.; Christian, E.; Giacalone, J.; Schwadron, N.; Mitchell, D.; Hill, M.; McNutt, R.; Desai, M.; Bale, S.; Bonnell, J.; de Wit, Dudok; Goetz, K.; Harvey, P.; MacDowall, R.; Malaspina, D.; Pulupa, M.; Kasper, J.; Stevens, M.;

Published by: Astronomy and Astrophysics      Published on: 06/2021

YEAR: 2021     DOI: 10.1051/0004-6361/202039800

Solar wind; magnetic fields; plasmas; turbulence; instabilities; waves; Parker Data Used

Depleted Plasma Densities in the Ionosphere of Venus Near Solar Minimum From Parker Solar Probe Observations of Upper Hybrid Resonance Emission

On July 11, 2020, NASA s Parker Solar Probe made its third flyby of Venus. The upper hybrid resonance emission was observed below 1,100 km (a first at Venus), revealing electron densities an order of magnitude lower than at solar maximum. These observations are consistent with a substantial variation in the density and structure of the Venusian ionosphere over the Solar Cycle.

Collinson, Glyn; Ramstad, Robin; Glocer, Alex; Wilson, Lynn; Brosius, Alexandra;

Published by: Geophysical Research Letters      Published on: 05/2021

YEAR: 2021     DOI: 10.1029/2020GL092243

ionosphere; parker solar probe; solar cycle; upper hybrid emission; Venus; waves; Parker Data Used

Depleted Plasma Densities in the Ionosphere of Venus Near Solar Minimum From Parker Solar Probe Observations of Upper Hybrid Resonance Emission

On July 11, 2020, NASA s Parker Solar Probe made its third flyby of Venus. The upper hybrid resonance emission was observed below 1,100 km (a first at Venus), revealing electron densities an order of magnitude lower than at solar maximum. These observations are consistent with a substantial variation in the density and structure of the Venusian ionosphere over the Solar Cycle.

Collinson, Glyn; Ramstad, Robin; Glocer, Alex; Wilson, Lynn; Brosius, Alexandra;

Published by: Geophysical Research Letters      Published on: 05/2021

YEAR: 2021     DOI: 10.1029/2020GL092243

ionosphere; parker solar probe; solar cycle; upper hybrid emission; Venus; waves; Parker Data Used

Depleted Plasma Densities in the Ionosphere of Venus Near Solar Minimum From Parker Solar Probe Observations of Upper Hybrid Resonance Emission

On July 11, 2020, NASA s Parker Solar Probe made its third flyby of Venus. The upper hybrid resonance emission was observed below 1,100 km (a first at Venus), revealing electron densities an order of magnitude lower than at solar maximum. These observations are consistent with a substantial variation in the density and structure of the Venusian ionosphere over the Solar Cycle.

Collinson, Glyn; Ramstad, Robin; Glocer, Alex; Wilson, Lynn; Brosius, Alexandra;

Published by: Geophysical Research Letters      Published on: 05/2021

YEAR: 2021     DOI: 10.1029/2020GL092243

ionosphere; parker solar probe; solar cycle; upper hybrid emission; Venus; waves; Parker Data Used

Depleted Plasma Densities in the Ionosphere of Venus Near Solar Minimum From Parker Solar Probe Observations of Upper Hybrid Resonance Emission

On July 11, 2020, NASA s Parker Solar Probe made its third flyby of Venus. The upper hybrid resonance emission was observed below 1,100 km (a first at Venus), revealing electron densities an order of magnitude lower than at solar maximum. These observations are consistent with a substantial variation in the density and structure of the Venusian ionosphere over the Solar Cycle.

Collinson, Glyn; Ramstad, Robin; Glocer, Alex; Wilson, Lynn; Brosius, Alexandra;

Published by: Geophysical Research Letters      Published on: 05/2021

YEAR: 2021     DOI: 10.1029/2020GL092243

ionosphere; parker solar probe; solar cycle; upper hybrid emission; Venus; waves; Parker Data Used

The Dynamic Formation of Pseudostreamers

Streamers and pseudostreamers structure the corona at the largest scales, as seen in both eclipse and coronagraph white-light images. Their inverted-goblet appearance encloses broad coronal loops at the Sun and tapers to a narrow radial stalk away from the star. The streamer associated with the global solar dipole magnetic field is long-lived, predominantly contains a single arcade of nested loops within it, and separates opposite-polarity interplanetary magnetic fields with the heliospheric current sheet (HCS) anchored at i ...

Scott, Roger; Pontin, David; Antiochos, Spiro; DeVore, Richard; Wyper, Peter;

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

YEAR: 2021     DOI: 10.3847/1538-4357/abec4f

Solar Physics; Solar magnetic reconnection; Solar wind; 1476; 1504; 1534; Parker Data Used

The Dynamic Formation of Pseudostreamers

Streamers and pseudostreamers structure the corona at the largest scales, as seen in both eclipse and coronagraph white-light images. Their inverted-goblet appearance encloses broad coronal loops at the Sun and tapers to a narrow radial stalk away from the star. The streamer associated with the global solar dipole magnetic field is long-lived, predominantly contains a single arcade of nested loops within it, and separates opposite-polarity interplanetary magnetic fields with the heliospheric current sheet (HCS) anchored at i ...

Scott, Roger; Pontin, David; Antiochos, Spiro; DeVore, Richard; Wyper, Peter;

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

YEAR: 2021     DOI: 10.3847/1538-4357/abec4f

Solar Physics; Solar magnetic reconnection; Solar wind; 1476; 1504; 1534; Parker Data Used

The Dynamic Formation of Pseudostreamers

Streamers and pseudostreamers structure the corona at the largest scales, as seen in both eclipse and coronagraph white-light images. Their inverted-goblet appearance encloses broad coronal loops at the Sun and tapers to a narrow radial stalk away from the star. The streamer associated with the global solar dipole magnetic field is long-lived, predominantly contains a single arcade of nested loops within it, and separates opposite-polarity interplanetary magnetic fields with the heliospheric current sheet (HCS) anchored at i ...

Scott, Roger; Pontin, David; Antiochos, Spiro; DeVore, Richard; Wyper, Peter;

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

YEAR: 2021     DOI: 10.3847/1538-4357/abec4f

Solar Physics; Solar magnetic reconnection; Solar wind; 1476; 1504; 1534; Parker Data Used

The Dynamic Formation of Pseudostreamers

Streamers and pseudostreamers structure the corona at the largest scales, as seen in both eclipse and coronagraph white-light images. Their inverted-goblet appearance encloses broad coronal loops at the Sun and tapers to a narrow radial stalk away from the star. The streamer associated with the global solar dipole magnetic field is long-lived, predominantly contains a single arcade of nested loops within it, and separates opposite-polarity interplanetary magnetic fields with the heliospheric current sheet (HCS) anchored at i ...

Scott, Roger; Pontin, David; Antiochos, Spiro; DeVore, Richard; Wyper, Peter;

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

YEAR: 2021     DOI: 10.3847/1538-4357/abec4f

Solar Physics; Solar magnetic reconnection; Solar wind; 1476; 1504; 1534; Parker Data Used

First Observations of Anomalous Cosmic Rays in to 36 Solar Radii

NASA s Parker Solar Probe mission continues to travel closer to the Sun than any prior human-made object, with an expected closest approach of <10 solar radii (<0.046 au) by 2024. On board, the Integrated Science Investigation of the Sun instrument suite makes unprecedented in situ measurements of energetic particles in the near-Sun environment. The current low level of solar activity offers a prime opportunity to measure cosmic rays closer to the Sun than ever before. We present the first observations of anomalous cosmic ra ...

Rankin, J.; McComas, D.; Leske, R.; Christian, E.; Cohen, C.; Cummings, A.; Joyce, C.; Labrador, A.; Mewaldt, R.; Posner, A.; Schwadron, N.; Strauss, R.; Stone, E.; Wiedenbeck, M.;

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

YEAR: 2021     DOI: 10.3847/1538-4357/abec7e

cosmic rays; Solar wind; Heliosphere; Solar energetic particles; Solar Physics; solar cycle; Quiet Sun; Particle astrophysics; interplanetary magnetic fields; Plasma astrophysics; Interplanetary particle acceleration; Pickup ions; 329; 1534; 711; 1491; 1476; 1487; 1322; 96; 824; 1261; 826; 1239; Parker Data Used

First Observations of Anomalous Cosmic Rays in to 36 Solar Radii

NASA s Parker Solar Probe mission continues to travel closer to the Sun than any prior human-made object, with an expected closest approach of <10 solar radii (<0.046 au) by 2024. On board, the Integrated Science Investigation of the Sun instrument suite makes unprecedented in situ measurements of energetic particles in the near-Sun environment. The current low level of solar activity offers a prime opportunity to measure cosmic rays closer to the Sun than ever before. We present the first observations of anomalous cosmic ra ...

Rankin, J.; McComas, D.; Leske, R.; Christian, E.; Cohen, C.; Cummings, A.; Joyce, C.; Labrador, A.; Mewaldt, R.; Posner, A.; Schwadron, N.; Strauss, R.; Stone, E.; Wiedenbeck, M.;

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

YEAR: 2021     DOI: 10.3847/1538-4357/abec7e

cosmic rays; Solar wind; Heliosphere; Solar energetic particles; Solar Physics; solar cycle; Quiet Sun; Particle astrophysics; interplanetary magnetic fields; Plasma astrophysics; Interplanetary particle acceleration; Pickup ions; 329; 1534; 711; 1491; 1476; 1487; 1322; 96; 824; 1261; 826; 1239; Parker Data Used

First Observations of Anomalous Cosmic Rays in to 36 Solar Radii

NASA s Parker Solar Probe mission continues to travel closer to the Sun than any prior human-made object, with an expected closest approach of <10 solar radii (<0.046 au) by 2024. On board, the Integrated Science Investigation of the Sun instrument suite makes unprecedented in situ measurements of energetic particles in the near-Sun environment. The current low level of solar activity offers a prime opportunity to measure cosmic rays closer to the Sun than ever before. We present the first observations of anomalous cosmic ra ...

Rankin, J.; McComas, D.; Leske, R.; Christian, E.; Cohen, C.; Cummings, A.; Joyce, C.; Labrador, A.; Mewaldt, R.; Posner, A.; Schwadron, N.; Strauss, R.; Stone, E.; Wiedenbeck, M.;

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

YEAR: 2021     DOI: 10.3847/1538-4357/abec7e

cosmic rays; Solar wind; Heliosphere; Solar energetic particles; Solar Physics; solar cycle; Quiet Sun; Particle astrophysics; interplanetary magnetic fields; Plasma astrophysics; Interplanetary particle acceleration; Pickup ions; 329; 1534; 711; 1491; 1476; 1487; 1322; 96; 824; 1261; 826; 1239; Parker Data Used

First Observations of Anomalous Cosmic Rays in to 36 Solar Radii

NASA s Parker Solar Probe mission continues to travel closer to the Sun than any prior human-made object, with an expected closest approach of <10 solar radii (<0.046 au) by 2024. On board, the Integrated Science Investigation of the Sun instrument suite makes unprecedented in situ measurements of energetic particles in the near-Sun environment. The current low level of solar activity offers a prime opportunity to measure cosmic rays closer to the Sun than ever before. We present the first observations of anomalous cosmic ra ...

Rankin, J.; McComas, D.; Leske, R.; Christian, E.; Cohen, C.; Cummings, A.; Joyce, C.; Labrador, A.; Mewaldt, R.; Posner, A.; Schwadron, N.; Strauss, R.; Stone, E.; Wiedenbeck, M.;

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

YEAR: 2021     DOI: 10.3847/1538-4357/abec7e

cosmic rays; Solar wind; Heliosphere; Solar energetic particles; Solar Physics; solar cycle; Quiet Sun; Particle astrophysics; interplanetary magnetic fields; Plasma astrophysics; Interplanetary particle acceleration; Pickup ions; 329; 1534; 711; 1491; 1476; 1487; 1322; 96; 824; 1261; 826; 1239; Parker Data Used

First Observations of Anomalous Cosmic Rays in to 36 Solar Radii

NASA s Parker Solar Probe mission continues to travel closer to the Sun than any prior human-made object, with an expected closest approach of <10 solar radii (<0.046 au) by 2024. On board, the Integrated Science Investigation of the Sun instrument suite makes unprecedented in situ measurements of energetic particles in the near-Sun environment. The current low level of solar activity offers a prime opportunity to measure cosmic rays closer to the Sun than ever before. We present the first observations of anomalous cosmic ra ...

Rankin, J.; McComas, D.; Leske, R.; Christian, E.; Cohen, C.; Cummings, A.; Joyce, C.; Labrador, A.; Mewaldt, R.; Posner, A.; Schwadron, N.; Strauss, R.; Stone, E.; Wiedenbeck, M.;

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

YEAR: 2021     DOI: 10.3847/1538-4357/abec7e

cosmic rays; Solar wind; Heliosphere; Solar energetic particles; Solar Physics; solar cycle; Quiet Sun; Particle astrophysics; interplanetary magnetic fields; Plasma astrophysics; Interplanetary particle acceleration; Pickup ions; 329; 1534; 711; 1491; 1476; 1487; 1322; 96; 824; 1261; 826; 1239; Parker Data Used

First Observations of Anomalous Cosmic Rays in to 36 Solar Radii

NASA s Parker Solar Probe mission continues to travel closer to the Sun than any prior human-made object, with an expected closest approach of <10 solar radii (<0.046 au) by 2024. On board, the Integrated Science Investigation of the Sun instrument suite makes unprecedented in situ measurements of energetic particles in the near-Sun environment. The current low level of solar activity offers a prime opportunity to measure cosmic rays closer to the Sun than ever before. We present the first observations of anomalous cosmic ra ...

Rankin, J.; McComas, D.; Leske, R.; Christian, E.; Cohen, C.; Cummings, A.; Joyce, C.; Labrador, A.; Mewaldt, R.; Posner, A.; Schwadron, N.; Strauss, R.; Stone, E.; Wiedenbeck, M.;

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

YEAR: 2021     DOI: 10.3847/1538-4357/abec7e

cosmic rays; Solar wind; Heliosphere; Solar energetic particles; Solar Physics; solar cycle; Quiet Sun; Particle astrophysics; interplanetary magnetic fields; Plasma astrophysics; Interplanetary particle acceleration; Pickup ions; 329; 1534; 711; 1491; 1476; 1487; 1322; 96; 824; 1261; 826; 1239; Parker Data Used

First Observations of Anomalous Cosmic Rays in to 36 Solar Radii

NASA s Parker Solar Probe mission continues to travel closer to the Sun than any prior human-made object, with an expected closest approach of <10 solar radii (<0.046 au) by 2024. On board, the Integrated Science Investigation of the Sun instrument suite makes unprecedented in situ measurements of energetic particles in the near-Sun environment. The current low level of solar activity offers a prime opportunity to measure cosmic rays closer to the Sun than ever before. We present the first observations of anomalous cosmic ra ...

Rankin, J.; McComas, D.; Leske, R.; Christian, E.; Cohen, C.; Cummings, A.; Joyce, C.; Labrador, A.; Mewaldt, R.; Posner, A.; Schwadron, N.; Strauss, R.; Stone, E.; Wiedenbeck, M.;

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

YEAR: 2021     DOI: 10.3847/1538-4357/abec7e

cosmic rays; Solar wind; Heliosphere; Solar energetic particles; Solar Physics; solar cycle; Quiet Sun; Particle astrophysics; interplanetary magnetic fields; Plasma astrophysics; Interplanetary particle acceleration; Pickup ions; 329; 1534; 711; 1491; 1476; 1487; 1322; 96; 824; 1261; 826; 1239; Parker Data Used

The Transport Equation for the Dispersal of Passive Tracers in a Nonuniform Turbulent Fluid: Numerical Simulations

The random advection of passive additives in a turbulent fluid plays an important role in solar physics, astrophysics, and atmospheric sciences. We concern ourselves here with the case where the fluctuations are not statistically homogeneous in space, and, hence, where the transport coefficients vary with position. Using a numerical model in which the fluid turbulence is defined kinematically, we show that the evolution of the distribution of passive tracers in the fluid is not always governed by the ordinary diffusion equat ...

Giacalone, Joe;

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

YEAR: 2021     DOI: 10.3847/1538-4357/abf0b2

Plasma astrophysics; Solar magnetic fields; hydrodynamics; Astrophysical fluid dynamics; Atmospheric science; 1261; 1503; 1963; 101; 116; Parker Data Used

A New View of the Solar Interface Region from the Interface Region Imaging Spectrograph (IRIS)

The Interface Region Imaging Spectrograph (IRIS) has been obtaining near- and far-ultraviolet images and spectra of the solar atmosphere since July 2013. IRIS is the highest resolution observatory to provide seamless coverage of spectra and images from the photosphere into the low corona. The unique combination of near- and far-ultraviolet spectra and images at sub-arcsecond resolution and high cadence allows the tracing of mass and energy through the critical interface between the surface and the corona or solar wind. IRIS ...

De Pontieu, Bart; Polito, Vanessa; Hansteen, Viggo; Testa, Paola; Reeves, Katharine; Antolin, Patrick; Nóbrega-Siverio, Daniel; Kowalski, Adam; Martinez-Sykora, Juan; Carlsson, Mats; McIntosh, Scott; Liu, Wei; Daw, Adrian; Kankelborg, Charles;

Published by: Solar Physics      Published on: 05/2021

YEAR: 2021     DOI: 10.1007/s11207-021-01826-0

Heating; chromospheric; coronal; chromosphere; models; active; Corona; magnetic fields; chromosphere; Instrumentation and data management; Spectrum; ultraviolet; Astrophysics - Solar and Stellar Astrophysics

A New View of the Solar Interface Region from the Interface Region Imaging Spectrograph (IRIS)

The Interface Region Imaging Spectrograph (IRIS) has been obtaining near- and far-ultraviolet images and spectra of the solar atmosphere since July 2013. IRIS is the highest resolution observatory to provide seamless coverage of spectra and images from the photosphere into the low corona. The unique combination of near- and far-ultraviolet spectra and images at sub-arcsecond resolution and high cadence allows the tracing of mass and energy through the critical interface between the surface and the corona or solar wind. IRIS ...

De Pontieu, Bart; Polito, Vanessa; Hansteen, Viggo; Testa, Paola; Reeves, Katharine; Antolin, Patrick; Nóbrega-Siverio, Daniel; Kowalski, Adam; Martinez-Sykora, Juan; Carlsson, Mats; McIntosh, Scott; Liu, Wei; Daw, Adrian; Kankelborg, Charles;

Published by: Solar Physics      Published on: 05/2021

YEAR: 2021     DOI: 10.1007/s11207-021-01826-0

Heating; chromospheric; coronal; chromosphere; models; active; Corona; magnetic fields; chromosphere; Instrumentation and data management; Spectrum; ultraviolet; Astrophysics - Solar and Stellar Astrophysics

A New View of the Solar Interface Region from the Interface Region Imaging Spectrograph (IRIS)

The Interface Region Imaging Spectrograph (IRIS) has been obtaining near- and far-ultraviolet images and spectra of the solar atmosphere since July 2013. IRIS is the highest resolution observatory to provide seamless coverage of spectra and images from the photosphere into the low corona. The unique combination of near- and far-ultraviolet spectra and images at sub-arcsecond resolution and high cadence allows the tracing of mass and energy through the critical interface between the surface and the corona or solar wind. IRIS ...

De Pontieu, Bart; Polito, Vanessa; Hansteen, Viggo; Testa, Paola; Reeves, Katharine; Antolin, Patrick; Nóbrega-Siverio, Daniel; Kowalski, Adam; Martinez-Sykora, Juan; Carlsson, Mats; McIntosh, Scott; Liu, Wei; Daw, Adrian; Kankelborg, Charles;

Published by: Solar Physics      Published on: 05/2021

YEAR: 2021     DOI: 10.1007/s11207-021-01826-0

Heating; chromospheric; coronal; chromosphere; models; active; Corona; magnetic fields; chromosphere; Instrumentation and data management; Spectrum; ultraviolet; Astrophysics - Solar and Stellar Astrophysics

A New View of the Solar Interface Region from the Interface Region Imaging Spectrograph (IRIS)

The Interface Region Imaging Spectrograph (IRIS) has been obtaining near- and far-ultraviolet images and spectra of the solar atmosphere since July 2013. IRIS is the highest resolution observatory to provide seamless coverage of spectra and images from the photosphere into the low corona. The unique combination of near- and far-ultraviolet spectra and images at sub-arcsecond resolution and high cadence allows the tracing of mass and energy through the critical interface between the surface and the corona or solar wind. IRIS ...

De Pontieu, Bart; Polito, Vanessa; Hansteen, Viggo; Testa, Paola; Reeves, Katharine; Antolin, Patrick; Nóbrega-Siverio, Daniel; Kowalski, Adam; Martinez-Sykora, Juan; Carlsson, Mats; McIntosh, Scott; Liu, Wei; Daw, Adrian; Kankelborg, Charles;

Published by: Solar Physics      Published on: 05/2021

YEAR: 2021     DOI: 10.1007/s11207-021-01826-0

Heating; chromospheric; coronal; chromosphere; models; active; Corona; magnetic fields; chromosphere; Instrumentation and data management; Spectrum; ultraviolet; Astrophysics - Solar and Stellar Astrophysics

A New View of the Solar Interface Region from the Interface Region Imaging Spectrograph (IRIS)

The Interface Region Imaging Spectrograph (IRIS) has been obtaining near- and far-ultraviolet images and spectra of the solar atmosphere since July 2013. IRIS is the highest resolution observatory to provide seamless coverage of spectra and images from the photosphere into the low corona. The unique combination of near- and far-ultraviolet spectra and images at sub-arcsecond resolution and high cadence allows the tracing of mass and energy through the critical interface between the surface and the corona or solar wind. IRIS ...

De Pontieu, Bart; Polito, Vanessa; Hansteen, Viggo; Testa, Paola; Reeves, Katharine; Antolin, Patrick; Nóbrega-Siverio, Daniel; Kowalski, Adam; Martinez-Sykora, Juan; Carlsson, Mats; McIntosh, Scott; Liu, Wei; Daw, Adrian; Kankelborg, Charles;

Published by: Solar Physics      Published on: 05/2021

YEAR: 2021     DOI: 10.1007/s11207-021-01826-0

Heating; chromospheric; coronal; chromosphere; models; active; Corona; magnetic fields; chromosphere; Instrumentation and data management; Spectrum; ultraviolet; Astrophysics - Solar and Stellar Astrophysics

A New View of the Solar Interface Region from the Interface Region Imaging Spectrograph (IRIS)

The Interface Region Imaging Spectrograph (IRIS) has been obtaining near- and far-ultraviolet images and spectra of the solar atmosphere since July 2013. IRIS is the highest resolution observatory to provide seamless coverage of spectra and images from the photosphere into the low corona. The unique combination of near- and far-ultraviolet spectra and images at sub-arcsecond resolution and high cadence allows the tracing of mass and energy through the critical interface between the surface and the corona or solar wind. IRIS ...

De Pontieu, Bart; Polito, Vanessa; Hansteen, Viggo; Testa, Paola; Reeves, Katharine; Antolin, Patrick; Nóbrega-Siverio, Daniel; Kowalski, Adam; Martinez-Sykora, Juan; Carlsson, Mats; McIntosh, Scott; Liu, Wei; Daw, Adrian; Kankelborg, Charles;

Published by: Solar Physics      Published on: 05/2021

YEAR: 2021     DOI: 10.1007/s11207-021-01826-0

Heating; chromospheric; coronal; chromosphere; models; active; Corona; magnetic fields; chromosphere; Instrumentation and data management; Spectrum; ultraviolet; Astrophysics - Solar and Stellar Astrophysics

A New View of the Solar Interface Region from the Interface Region Imaging Spectrograph (IRIS)

The Interface Region Imaging Spectrograph (IRIS) has been obtaining near- and far-ultraviolet images and spectra of the solar atmosphere since July 2013. IRIS is the highest resolution observatory to provide seamless coverage of spectra and images from the photosphere into the low corona. The unique combination of near- and far-ultraviolet spectra and images at sub-arcsecond resolution and high cadence allows the tracing of mass and energy through the critical interface between the surface and the corona or solar wind. IRIS ...

De Pontieu, Bart; Polito, Vanessa; Hansteen, Viggo; Testa, Paola; Reeves, Katharine; Antolin, Patrick; Nóbrega-Siverio, Daniel; Kowalski, Adam; Martinez-Sykora, Juan; Carlsson, Mats; McIntosh, Scott; Liu, Wei; Daw, Adrian; Kankelborg, Charles;

Published by: Solar Physics      Published on: 05/2021

YEAR: 2021     DOI: 10.1007/s11207-021-01826-0

Heating; chromospheric; coronal; chromosphere; models; active; Corona; magnetic fields; chromosphere; Instrumentation and data management; Spectrum; ultraviolet; Astrophysics - Solar and Stellar Astrophysics

A New View of the Solar Interface Region from the Interface Region Imaging Spectrograph (IRIS)

The Interface Region Imaging Spectrograph (IRIS) has been obtaining near- and far-ultraviolet images and spectra of the solar atmosphere since July 2013. IRIS is the highest resolution observatory to provide seamless coverage of spectra and images from the photosphere into the low corona. The unique combination of near- and far-ultraviolet spectra and images at sub-arcsecond resolution and high cadence allows the tracing of mass and energy through the critical interface between the surface and the corona or solar wind. IRIS ...

De Pontieu, Bart; Polito, Vanessa; Hansteen, Viggo; Testa, Paola; Reeves, Katharine; Antolin, Patrick; Nóbrega-Siverio, Daniel; Kowalski, Adam; Martinez-Sykora, Juan; Carlsson, Mats; McIntosh, Scott; Liu, Wei; Daw, Adrian; Kankelborg, Charles;

Published by: Solar Physics      Published on: 05/2021

YEAR: 2021     DOI: 10.1007/s11207-021-01826-0

Heating; chromospheric; coronal; chromosphere; models; active; Corona; magnetic fields; chromosphere; Instrumentation and data management; Spectrum; ultraviolet; Astrophysics - Solar and Stellar Astrophysics

A New View of the Solar Interface Region from the Interface Region Imaging Spectrograph (IRIS)

The Interface Region Imaging Spectrograph (IRIS) has been obtaining near- and far-ultraviolet images and spectra of the solar atmosphere since July 2013. IRIS is the highest resolution observatory to provide seamless coverage of spectra and images from the photosphere into the low corona. The unique combination of near- and far-ultraviolet spectra and images at sub-arcsecond resolution and high cadence allows the tracing of mass and energy through the critical interface between the surface and the corona or solar wind. IRIS ...

De Pontieu, Bart; Polito, Vanessa; Hansteen, Viggo; Testa, Paola; Reeves, Katharine; Antolin, Patrick; Nóbrega-Siverio, Daniel; Kowalski, Adam; Martinez-Sykora, Juan; Carlsson, Mats; McIntosh, Scott; Liu, Wei; Daw, Adrian; Kankelborg, Charles;

Published by: Solar Physics      Published on: 05/2021

YEAR: 2021     DOI: 10.1007/s11207-021-01826-0

Heating; chromospheric; coronal; chromosphere; models; active; Corona; magnetic fields; chromosphere; Instrumentation and data management; Spectrum; ultraviolet; Astrophysics - Solar and Stellar Astrophysics

On the violation of the zeroth law of turbulence in space plasmas

The zeroth law of turbulence states that, for fixed energy input into large-scale motions, the statistical steady state of a turbulent system is independent of microphysical dissipation properties. This behaviour, which is fundamental to nearly all fluid-like systems from industrial processes to galaxies, occurs because nonlinear processes generate smaller and smaller scales in the flow, until the dissipation - no matter how small - can thermalise the energy input. Using direct numerical simulations and theoretical arguments ...

Meyrand, R.; Squire, J.; Schekochihin, A.; Dorland, W.;

Published by: Journal of Plasma Physics      Published on: 05/2021

YEAR: 2021     DOI: 10.1017/S0022377821000489

space plasma physics; astrophysical plasmas; plasma nonlinear phenomena; Physics - Space Physics; Astrophysics - Solar and Stellar Astrophysics; Nonlinear Sciences - Chaotic Dynamics; Physics - Plasma Physics; Parker Data Used

On the violation of the zeroth law of turbulence in space plasmas

The zeroth law of turbulence states that, for fixed energy input into large-scale motions, the statistical steady state of a turbulent system is independent of microphysical dissipation properties. This behaviour, which is fundamental to nearly all fluid-like systems from industrial processes to galaxies, occurs because nonlinear processes generate smaller and smaller scales in the flow, until the dissipation - no matter how small - can thermalise the energy input. Using direct numerical simulations and theoretical arguments ...

Meyrand, R.; Squire, J.; Schekochihin, A.; Dorland, W.;

Published by: Journal of Plasma Physics      Published on: 05/2021

YEAR: 2021     DOI: 10.1017/S0022377821000489

space plasma physics; astrophysical plasmas; plasma nonlinear phenomena; Physics - Space Physics; Astrophysics - Solar and Stellar Astrophysics; Nonlinear Sciences - Chaotic Dynamics; Physics - Plasma Physics; Parker Data Used

PATCH: Particle Arrival Time Correlation for Heliophysics

The ability to understand the fundamental nature of the physics that governs the heliosphere requires spacecraft instrumentation to measure energy transfer at kinetic scales. This translates to a time cadence resolving the proton kinetic timescales, typically of the order of the proton gyrofrequency. The downlinked survey mode data from modern spacecraft are often much lower resolution than this criterion, meaning that the higher resolution, burst mode data must be captured to study an event at kinetic time scales. Telemetry ...

Verniero, J.; Howes, G.; Stewart, D.; Klein, K.;

Published by: Journal of Geophysical Research (Space Physics)      Published on: 05/2021

YEAR: 2021     DOI: 10.1029/2020JA028940

plasma turbulence; Solar wind; spacecraft Instrumentation; wave particle interaction; Parker Data Used

PATCH: Particle Arrival Time Correlation for Heliophysics

The ability to understand the fundamental nature of the physics that governs the heliosphere requires spacecraft instrumentation to measure energy transfer at kinetic scales. This translates to a time cadence resolving the proton kinetic timescales, typically of the order of the proton gyrofrequency. The downlinked survey mode data from modern spacecraft are often much lower resolution than this criterion, meaning that the higher resolution, burst mode data must be captured to study an event at kinetic time scales. Telemetry ...

Verniero, J.; Howes, G.; Stewart, D.; Klein, K.;

Published by: Journal of Geophysical Research (Space Physics)      Published on: 05/2021

YEAR: 2021     DOI: 10.1029/2020JA028940

plasma turbulence; Solar wind; spacecraft Instrumentation; wave particle interaction; Parker Data Used

Parker Solar Probe FIELDS Instrument Charging in the Near Sun Environment: Part 2: Comparison of In Flight Data and Modeling Results

This research shows Part II of the Spacecraft Interaction Plasma Software (SPIS) used to model the parker solar probe (PSP) FIELDS instrument and its interactions with the Solar Wind. Flight data were used to run the PSP model and compared with models using past predicted parameters. The effect of voltage biasing between the antenna, its shield, and the spacecraft on the current balance of each surface was investigated at first perihelion (0.16AU). The model data were reduced to I-V curves to find current saturations (analys ...

Diaz-Aguado, M.; Bonnell, J.; Bale, S.; Wang, J.; Gruntman, M.;

Published by: Journal of Geophysical Research (Space Physics)      Published on: 05/2021

YEAR: 2021     DOI: 10.1029/2020JA028689

plasma environment; spacecraft charging; Parker Data Used

Parker Solar Probe FIELDS Instrument Charging in the Near Sun Environment: Part 2: Comparison of In Flight Data and Modeling Results

This research shows Part II of the Spacecraft Interaction Plasma Software (SPIS) used to model the parker solar probe (PSP) FIELDS instrument and its interactions with the Solar Wind. Flight data were used to run the PSP model and compared with models using past predicted parameters. The effect of voltage biasing between the antenna, its shield, and the spacecraft on the current balance of each surface was investigated at first perihelion (0.16AU). The model data were reduced to I-V curves to find current saturations (analys ...

Diaz-Aguado, M.; Bonnell, J.; Bale, S.; Wang, J.; Gruntman, M.;

Published by: Journal of Geophysical Research (Space Physics)      Published on: 05/2021

YEAR: 2021     DOI: 10.1029/2020JA028689

plasma environment; spacecraft charging; Parker Data Used



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