PSP Bibliography





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Found 9 entries in the Bibliography.


Showing entries from 1 through 9


2023

Arguments for the physical nature of the triggered ion-acoustic waves observed on the Parker Solar Probe

Triggered ion-acoustic waves are a pair of coupled waves observed in the previously unexplored plasma regime near the Sun. They may be capable of producing important effects on the solar wind. Because this wave mode has not been observed or studied previously and it is not fully understood, the issue of whether it has a natural origin or is an instrumental artifact can be raised. This paper discusses this issue by examining 13 features of the data such as whether the triggered ion-acoustic waves are electrostatic, whether th ...

Mozer, Forrest; Bale, Stuart; Kellogg, Paul; Romeo, Orlando; Vasko, Ivan; Verniero, Jaye;

Published by: Physics of Plasmas      Published on: jun

YEAR: 2023     DOI: 10.1063/5.0151423

Parker Data Used; Astrophysics - Solar and Stellar Astrophysics

2022

Core Electron Heating by Triggered Ion Acoustic Waves in the Solar Wind

Perihelion passes on Parker Solar Probe orbits 6-9 have been studied to show that solar wind core electrons emerged from 15 solar radii with a temperature of 55 \ensuremath\pm 5 eV, independent of the solar wind speed, which varied from 300 to 800 km s$^-1$. After leaving 15 solar radii and in the absence of triggered ion acoustic waves at greater distances, the core electron temperature varied with radial distance, R, in solar radii, as 1900R $^-4/3$ eV because of cooling produced by the adiabatic expansion. The coefficient ...

Mozer, F.~S.; Bale, S.~D.; Cattell, C.~A.; Halekas, J.; Vasko, I.~Y.; Verniero, J.~L.; Kellogg, P.~J.;

Published by: \apjl      Published on: mar

YEAR: 2022     DOI: 10.3847/2041-8213/ac5520

Parker Data Used; Solar corona; Solar wind; 1483; 1534; Astrophysics - Solar and Stellar Astrophysics; Physics - Plasma Physics; Physics - Space Physics

A Fundamental Instability for the Solar Wind

As has been known nearly since the beginning of space research with satellites and rockets that the temperature of the atmosphere of our Sun rises rapidly from the photosphere at about 6000 K to the order of 10$^6$ K. The major heating of the solar wind apparently occurs in a narrow region, the transition region, just above the chromosphere, a region where remote sensing of atomic energy levels shows a temperature of 10$^6$ deg. However, since the early days of the recognition of the solar wind it has been recognized that th ...

Kellogg, Paul;

Published by: \apj      Published on: feb

YEAR: 2022     DOI: 10.3847/1538-4357/ac32e0

Parker Data Used; 1544

An Improved Technique for Measuring Plasma Density to High Frequencies on the Parker Solar Probe

The correlation between the plasma density measured in space and the surface potential of an electrically conducting satellite body with biased electric field detectors has been recognized and used to provide density proxies. However, for Parker Solar Probe, this correlation has not produced quantitative density estimates over extended periods of time because it depends on the energy-dependent exponential variation of the photoemission spectrum, the electron temperature, the ratio of the biased surface area to the conducting ...

Mozer, F.~S.; Bale, S.~D.; Kellogg, P.~J.; Larson, D.; Livi, R.; Romeo, O.;

Published by: \apj      Published on: feb

YEAR: 2022     DOI: 10.3847/1538-4357/ac4f42

Parker Data Used; 1534; 1476; Physics - Space Physics; Astrophysics - Solar and Stellar Astrophysics

2021

Toward a Physics Based Model of Hypervelocity Dust Impacts

There has been important understanding of the process by which a hypersonic dust impact makes an electrical signal on a spacecraft sensor, leading to a fuller understanding of the

Kellogg, Paul; Bale, S.~D.; Goetz, Keith; Monson, Steven;

Published by: Journal of Geophysical Research (Space Physics)      Published on: sep

YEAR: 2021     DOI: 10.1029/2020JA028415

dust impacts; hypervelocity; impacts; Physics - Space Physics; Parker Data Used

2020

Time Domain Structures and Dust in the Solar Vicinity: Parker Solar Probe Observations

On 2019 April 5, while the Parker Solar Probe was at its 35 solar radius perihelion, the data set collected at 293 samples/s contained more than 10,000 examples of spiky electric-field-like structures with durations less than 200 milliseconds and amplitudes greater than 10 mV m-1. The vast majority of these events were caused by plasma turbulence. Defining dust events as those with similar, narrowly peaked, positive, and single-ended signatures resulted in finding 135 clear dust events, which, after correcting ...

Mozer, F.; Agapitov, O.; Bale, S.; Bonnell, J.; Goetz, K.; Goodrich, K.; Gore, R.; Harvey, P.; Kellogg, P.; Malaspina, D.; Pulupa, M.; Schumm, G.;

Published by: The Astrophysical Journal Supplement Series      Published on: 02/2020

YEAR: 2020     DOI: 10.3847/1538-4365/ab5e4b

Astrophysics - Solar and Stellar Astrophysics; Parker Data Used; parker solar probe; Physics - Space Physics; Solar Probe Plus

2019

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 wind is observed at high latitudes as a predominantly fast (more than 500 kilometres per second), highly Alfv\ enic rarefied stream of plasma originating from deep within coronal holes. Closer to the ecliptic plane, the solar wind is interspersed with a more variable slow wind of less than 500 kilometres per second. The precise origins of the slow wind streams are less certain; theories and observations suggest that they may originate at the tips of ...

Bale, S.; Badman, S.; Bonnell, J.; Bowen, T.; Burgess, D.; Case, A.; Cattell, C.; Chandran, B.; Chaston, C.; Chen, C.; Drake, J.; de Wit, Dudok; Eastwood, J.; Ergun, R.; Farrell, W.; Fong, C.; Goetz, K.; Goldstein, M.; Goodrich, K.; Harvey, P.; Horbury, T.; Howes, G.; Kasper, J.; Kellogg, P.; Klimchuk, J.; Korreck, K.; Krasnoselskikh, V.; Krucker, S.; Laker, R.; Larson, D.; MacDowall, R.; Maksimovic, M.; Malaspina, D.; Martinez-Oliveros, J.; McComas, D.; Meyer-Vernet, N.; Moncuquet, M.; Mozer, F.; Phan, T.; Pulupa, M.; Raouafi, N.; Salem, C.; Stansby, D.; Stevens, M.; Szabo, A.; Velli, M.; Woolley, T.; Wygant, J.;

Published by: Nature      Published on: 12/2019

YEAR: 2019     DOI: 10.1038/s41586-019-1818-7

Parker Data Used; parker solar probe; Solar Probe Plus

2016

The FIELDS Instrument Suite for Solar Probe Plus

NASA\textquoterights 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 electric and magnetic fields, the properties of in situ plasma waves, electron density and temperature profiles, and interplanetary radio emissions, amongst other things. Here, we describe the scientific objectives targeted by the SPP/FIELDS instrument, the instrument design itself, and the instrument conce ...

Bale, S.; Goetz, K.; Harvey, P.; Turin, P.; Bonnell, J.; de Wit, T.; Ergun, R.; MacDowall, R.; Pulupa, M.; Andre, M.; Bolton, M.; Bougeret, J.-L.; Bowen, T.; Burgess, D.; Cattell, C.; Chandran, B.; Chaston, C.; Chen, C.; Choi, M.; Connerney, J.; Cranmer, S.; Diaz-Aguado, M.; Donakowski, W.; Drake, J.; Farrell, W.; Fergeau, P.; Fermin, J.; Fischer, J.; Fox, N.; Glaser, D.; Goldstein, M.; Gordon, D.; Hanson, E.; Harris, S.; Hayes, L.; Hinze, J.; Hollweg, J.; Horbury, T.; Howard, R.; Hoxie, V.; Jannet, G.; Karlsson, M.; Kasper, J.; Kellogg, P.; Kien, M.; Klimchuk, J.; Krasnoselskikh, V.; Krucker, S.; Lynch, J.; Maksimovic, M.; Malaspina, D.; Marker, S.; Martin, P.; Martinez-Oliveros, J.; McCauley, J.; McComas, D.; McDonald, T.; Meyer-Vernet, N.; Moncuquet, M.; Monson, S.; Mozer, F.; Murphy, S.; Odom, J.; Oliverson, R.; Olson, J.; Parker, E.; Pankow, D.; Phan, T.; Quataert, E.; Quinn, T.; Ruplin, S.; Salem, C.; Seitz, D.; Sheppard, D.; Siy, A.; Stevens, K.; Summers, D.; Szabo, A.; Timofeeva, M.; Vaivads, A.; Velli, M.; Yehle, A.; Werthimer, D.; Wygant, J.;

Published by: Space Science Reviews      Published on: 12/2016

YEAR: 2016     DOI: 10.1007/s11214-016-0244-5

Coronal heating; Parker Data Used; parker solar probe; Solar Probe Plus

2010

Spacecraft charging and ion wake formation in the near-Sun environment

A three-dimensional, self-consistent code is employed to solve for the static potential structure surrounding a spacecraft in a high photoelectron environment. The numerical solutions show that, under certain conditions, a spacecraft can take on a negative potential in spite of strong photoelectron currents. The negative potential is due to an electrostatic barrier near the surface of the spacecraft that can reflect a large fraction of the photoelectron flux back to the spacecraft. This electrostatic barrier forms if (1) ...

Ergun, R.; Malaspina, D.; Bale, S.; McFadden, J.; Larson, D.; Mozer, F.; Meyer-Vernet, N.; Maksimovic, M.; Kellogg, P.; Wygant, J.;

Published by: Physics of Plasmas      Published on: 07/2010

YEAR: 2010     DOI: 10.1063/1.3457484

52.25.-b; 52.30.-q; 94.05.Jq; parker solar probe; plasma density; plasma flow; Solar Probe Plus; space vehicles; spacecraft charging; Spacecraft sheaths wakes and charging; static electrification



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