PSP Bibliography





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Found 9 entries in the Bibliography.


Showing entries from 1 through 9


2023

Magnetic Reconnection as the Driver of the Solar Wind

We present EUV solar observations showing evidence for omnipresent jetting activity driven by small-scale magnetic reconnection at the base of the solar corona. We argue that the physical mechanism that heats and drives the solar wind at its source is ubiquitous magnetic reconnection in the form of small-scale jetting activity (a.k.a. jetlets). This jetting activity, like the solar wind and the heating of the coronal plasma, is ubiquitous regardless of the solar cycle phase. Each event arises from small-scale reconnection of ...

Raouafi, Nour; Stenborg, G.; Seaton, D.~B.; Wang, H.; Wang, J.; DeForest, C.~E.; Bale, S.~D.; Drake, J.~F.; Uritsky, V.~M.; Karpen, J.~T.; DeVore, C.~R.; Sterling, A.~C.; Horbury, T.~S.; Harra, L.~K.; Bourouaine, S.; Kasper, J.~C.; Kumar, P.; Phan, T.~D.; Velli, M.;

Published by: \apj      Published on: mar

YEAR: 2023     DOI: 10.3847/1538-4357/acaf6c

Parker Data Used; Solar corona; Solar wind; magnetic fields; Solar magnetic reconnection; 1483; 1534; 994; 1504; Astrophysics - Solar and Stellar Astrophysics; Physics - Space Physics

New Evidence on the Origin of Solar Wind Microstreams/Switchbacks

Microstreams are fluctuations in the solar wind speed and density associated with polarity-reversing folds in the magnetic field (also denoted switchbacks). Despite their long heritage, the origin of these microstreams/switchbacks remains poorly understood. For the first time, we investigated periodicities in microstreams during Parker Solar Probe (PSP) Encounter 10 to understand their origin. Our analysis was focused on the inbound corotation interval on 2021 November 19-21, while the spacecraft dove toward a small area wit ...

Kumar, Pankaj; Karpen, Judith; Uritsky, Vadim; Deforest, Craig; Raouafi, Nour; DeVore, Richard; Antiochos, Spiro;

Published by: \apjl      Published on: jul

YEAR: 2023     DOI: 10.3847/2041-8213/acd54e

Parker Data Used; Fast solar wind; Plasma jets; Solar magnetic reconnection; 1872; 1263; 1504; Astrophysics - Solar and Stellar Astrophysics; Physics - Space Physics

Interchange reconnection dynamics in a solar coronal pseudo-streamer

Context. The generation of the slow solar wind remains an open problem in heliophysics. One of the current theories among those aimed at explaining the injection of coronal plasma in the interplanetary medium is based on interchange reconnection. It assumes that the exchange of magnetic connectivity between closed and open fields allows the injection of coronal plasma in the interplanetary medium to travel along the newly reconnected open field. However, the exact mechanism underlying this effect is still poorly understood. ...

Pellegrin-Frachon, T.; Masson, S.; Pariat, \; Wyper, P.~F.; DeVore, C.~R.;

Published by: \aap      Published on: jul

YEAR: 2023     DOI: 10.1051/0004-6361/202245611

Parker Data Used; magnetic fields; Sun: corona; magnetohydrodynamics (MHD); magnetic reconnection; Solar wind

2022

Quasi-periodic Energy Release and Jets at the Base of Solar Coronal Plumes

Coronal plumes are long, ray-like, open structures that have been considered as possible sources of the solar wind. Their origin in the largely unipolar coronal holes has long been a mystery. Earlier spectroscopic and imaging observations revealed blueshifted plasma and propagating disturbances (PDs) in plumes that are widely interpreted in terms of flows and/or propagating slow-mode waves, but these interpretations (flows versus waves) remain under debate. Recently we discovered an important clue about plume internal struct ...

Kumar, Pankaj; Karpen, Judith; Uritsky, Vadim; Deforest, Craig; Raouafi, Nour; DeVore, Richard;

Published by: \apj      Published on: jul

YEAR: 2022     DOI: 10.3847/1538-4357/ac6c24

Parker Data Used; Jets; Solar magnetic reconnection; Solar wind; Solar coronal plumes; 870; 1504; 1534; 2039; Astrophysics - Solar and Stellar Astrophysics

The Imprint of Intermittent Interchange Reconnection on the Solar Wind

The solar wind is known to be highly structured in space and time. Observations from Parker Solar Probe have revealed an abundance of so-called magnetic switchbacks within the near-Sun solar wind. In this Letter, we use a high-resolution, adaptive-mesh, magnetohydrodynamics simulation to explore the disturbances launched into the solar wind by intermittent/bursty interchange reconnection and how they may be related to magnetic switchbacks. We find that repeated ejection of plasmoid flux ropes into the solar wind produces a c ...

Wyper, Peter; DeVore, C.~R.; Antiochos, S.~K.; Pontin, D.~I.; Higginson, Aleida; Scott, Roger; Masson, Sophie; Pelegrin-Frachon, Theo;

Published by: \apjl      Published on: dec

YEAR: 2022     DOI: 10.3847/2041-8213/aca8ae

Parker Data Used; Solar corona; Solar coronal holes; Solar wind; Solar magnetic reconnection; Solar magnetic fields; Solar Physics; 1483; 1484; 1534; 1504; 1503; 1476

2021

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

Plumelets: Dynamic Filamentary Structures in Solar Coronal Plumes

Uritsky, V.~M.; DeForest, C.~E.; Karpen, J.~T.; DeVore, C.~R.; Kumar, P.; Raouafi, N.~E.; Wyper, P.~F.;

Published by: \apj      Published on: 01/2021

YEAR: 2021     DOI: 10.3847/1538-4357/abd186

Solar coronal holes; Solar activity; Solar coronal transients; Solar Coronal Waves; Solar magnetic reconnection; Solar wind; Plasma jets; Solar coronal plumes; Solar extreme ultraviolet emission; Direct imaging; Astronomy data analysis; Solar oscillations; 1484; 1475; 312; 1995; 1504; 1534; 1263; 2039; 1493; 387; 1858; 1515; Astrophysics - Solar and Stellar Astrophysics

2018

Simulated Encounters of the Parker Solar Probe with a Coronal-hole Jet

Solar coronal jets are small, transient, collimated ejections most easily observed in coronal holes (CHs). The upcoming Parker Solar Probe (PSP) mission provides the first opportunity to encounter CH jets in situ near the Sun and examine their internal structure and dynamics. Using projected mission orbital parameters, we have simulated PSP encounters with a fully three-dimensional magnetohydrodynamic (MHD) model of a CH jet. We find that three internal jet regions, featuring different wave modes and levels of compressibi ...

Roberts, Merrill; Uritsky, Vadim; DeVore, Richard; Karpen, Judith;

Published by: The Astrophysical Journal      Published on: 10/2018

YEAR: 2018     DOI: 10.3847/1538-4357/aadb41

Astrophysics - Solar and Stellar Astrophysics; Parker Data Used; parker solar probe; Solar Probe Plus; Solar wind; Sun: activity; Sun: corona; Sun: heliosphere; Sun: magnetic fields

2017

Reconnection-Driven Coronal-Hole Jets with Gravity and Solar Wind

Karpen, J.~T.; DeVore, C.~R.; Antiochos, S.~K.; Pariat, E.;

Published by: \apj      Published on: 01/2017

YEAR: 2017     DOI: 10.3847/1538-4357/834/1/62

Parker Data Used; magnetic reconnection; magnetohydrodynamics: MHD; Solar wind; stars: jets; Sun: activity; Sun: corona; Astrophysics - Solar and Stellar Astrophysics



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