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Journal articleStansby D, Matteini L, Horbury TS, et al., 2020,
The origin of slow Alfvenic solar wind at solar minimum
, Monthly Notices of the Royal Astronomical Society, Vol: 492, Pages: 39-44, ISSN: 0035-8711Although the origins of slow solar wind are unclear, there is increasing evidence that at least some of it is released in a steady state on overexpanded coronal hole magnetic field lines. This type of slow wind has similar properties to the fast solar wind, including strongly Alfvénic fluctuations. In this study, a combination of proton, alpha particle, and electron measurements are used to investigate the kinetic properties of a single interval of slow Alfvénic wind at 0.35 au. It is shown that this slow Alfvénic interval is characterized by high alpha particle abundances, pronounced alpha–proton differential streaming, strong proton beams, and large alpha-to-proton temperature ratios. These are all features observed consistently in the fast solar wind, adding evidence that at least some Alfvénic slow solar wind also originates in coronal holes. Observed differences between speed, mass flux, and electron temperature between slow Alfvénic and fast winds are explained by differing magnetic field geometry in the lower corona.
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Journal articlede Wit TD, Krasnoselskikh VV, Bale SD, et al., 2020,
Switchbacks in the Near-Sun Magnetic Field: Long Memory and Impact on the Turbulence Cascade
, ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES, Vol: 246, ISSN: 0067-0049 -
Journal articleSzalay JR, Pokorny P, Bale SD, et al., 2020,
The Near-Sun Dust Environment: Initial Observations fromParker Solar Probe
, ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES, Vol: 246, ISSN: 0067-0049 -
Journal articleBandyopadhyay R, Goldstein ML, Maruca BA, et al., 2020,
Enhanced Energy Transfer Rate in Solar Wind Turbulence Observed near the Sun from Parker Solar Probe
, ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES, Vol: 246, ISSN: 0067-0049 -
Journal articleDuan D, Bowen TA, Chen CHK, et al., 2020,
The Radial Dependence of Proton-scale Magnetic Spectral Break in Slow Solar Wind during <i>PSP</i> Encounter 2
, ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES, Vol: 246, ISSN: 0067-0049- Author Web Link
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- Citations: 32
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Journal articlePulupa M, Bale SD, Badman ST, et al., 2020,
Statistics and Polarization of Type III Radio Bursts Observed in the Inner Heliosphere
, ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES, Vol: 246, ISSN: 0067-0049- Author Web Link
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- Citations: 28
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Journal articleMozer FS, Agapitov OV, Bale SD, et al., 2020,
Time Domain Structures and Dust in the Solar Vicinity: <i>Parker Solar Probe</i> Observations
, ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES, Vol: 246, ISSN: 0067-0049- Author Web Link
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- Citations: 11
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Journal articleZhao L-L, Zank GP, Adhikari L, et al., 2020,
Identification of Magnetic Flux Ropes from <i>Parker Solar Probe</i> Observations during the First Encounter
, ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES, Vol: 246, ISSN: 0067-0049- Author Web Link
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- Citations: 56
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Journal articleQudsi RA, Maruca BA, Matthaeus WH, et al., 2020,
Observations of Heating along Intermittent Structures in the Inner Heliosphere from <i>PSP</i> Data
, ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES, Vol: 246, ISSN: 0067-0049- Author Web Link
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- Citations: 21
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Journal articleRouillard AP, Kouloumvakos A, Vourlidas A, et al., 2020,
Relating Streamer Flows to Density and Magnetic Structures at the <i>Parker Solar Probe</i>
, ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES, Vol: 246, ISSN: 0067-0049- Author Web Link
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- Citations: 44
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Journal articlePanasenco O, Velli M, D'Amicis R, et al., 2020,
Exploring Solar Wind Origins and Connecting Plasma Flows from the <i>Parker Solar Probe</i> to 1 au: Nonspherical Source Surface and Alfvenic Fluctuations
, ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES, Vol: 246, ISSN: 0067-0049- Author Web Link
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- Citations: 43
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Journal articleChhiber R, Goldstein ML, Maruca BA, et al., 2020,
Clustering of Intermittent Magnetic and Flow Structures near <i>Parker</i> <i>Solar Probe</i>'s First Perihelion-A Partial-variance-of-increments Analysis
, ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES, Vol: 246, ISSN: 0067-0049- Author Web Link
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- Citations: 34
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Journal articleSzabo A, Larson D, Whittlesey P, et al., 2020,
The Heliospheric Current Sheet in the Inner Heliosphere Observed by the<i>Parker Solar Probe</i>
, ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES, Vol: 246, ISSN: 0067-0049 -
Journal articleParashar TN, Goldstein ML, Maruca BA, et al., 2020,
Measures of Scale-dependent Alfvenicity in the First <i>PSP</i> Solar Encounter
, ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES, Vol: 246, ISSN: 0067-0049- Author Web Link
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- Citations: 44
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Journal articleMoncuquet M, Meyer-Vernet N, Issautier K, et al., 2020,
First In Situ Measurements of Electron Density and Temperature from Quasi-thermal Noise Spectroscopy with <i>Parker Solar Probe</i>/FIELDS
, ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES, Vol: 246, ISSN: 0067-0049- Author Web Link
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- Citations: 87
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Journal articleNieves-Chinchilla T, Szabo A, Korreck KE, et al., 2020,
Analysis of the Internal Structure of the Streamer Blowout Observed by the <i>Parker Solar Probe</i> During the First Solar Encounter
, ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES, Vol: 246, ISSN: 0067-0049- Author Web Link
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- Citations: 32
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Journal articleMaksimovic M, Bale SD, Bercic L, et al., 2020,
Anticorrelation between the Bulk Speed and the Electron Temperature in the Pristine Solar Wind: First Results from the <i>Parker Solar Probe</i> and Comparison with <i>Helios</i>
, ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES, Vol: 246, ISSN: 0067-0049- Author Web Link
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- Citations: 48
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Journal articleVech D, Kasper JC, Klein KG, et al., 2020,
Kinetic-scale Spectral Features of Cross Helicity and Residual Energy in the Inner Heliosphere
, ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES, Vol: 246, ISSN: 0067-0049- Author Web Link
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- Citations: 7
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Journal articleCohen CMS, Christian ER, Cummings AC, et al., 2020,
Energetic Particle Increases Associated with Stream Interaction Regions
, ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES, Vol: 246, ISSN: 0067-0049- Author Web Link
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- Citations: 26
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Journal articleDesai MI, Mitchell DG, Szalay JR, et al., 2020,
Properties of Suprathermal-through-energetic He Ions Associated with Stream Interaction Regions Observed over the <i>Parker Solar Probe's</i> First Two Orbits
, ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES, Vol: 246, ISSN: 0067-0049- Author Web Link
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- Citations: 24
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Journal articleSchwadron NA, Bale S, Bonnell J, et al., 2020,
Seed Population Preconditioning and Acceleration Observed by the <i>Parker Solar Probe</i>
, ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES, Vol: 246, ISSN: 0067-0049- Author Web Link
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- Citations: 16
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Journal articleMitchell DG, Giacalone J, Allen RC, et al., 2020,
CME-associated Energetic Ions at 0.23 au: Consideration of the Auroral Pressure Cooker Mechanism Operating in the Low Corona as a Possible Energization Process
, ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES, Vol: 246, ISSN: 0067-0049- Author Web Link
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- Citations: 18
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Journal articleHalekas JS, Whittlesey P, Larson DE, et al., 2020,
Electrons in the Young Solar Wind: First Results from the <i>Parker Solar Probe</i>
, ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES, Vol: 246, ISSN: 0067-0049- Author Web Link
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- Citations: 87
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Journal articleMozer FS, Agapitov OV, Bale SD, et al., 2020,
Switchbacks in the Solar Magnetic Field: Their Evolution, Their Content, and Their Effects on the Plasma
, ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES, Vol: 246, ISSN: 0067-0049- Author Web Link
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- Citations: 74
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Journal articleMalaspina DM, Halekas J, Bercic L, et al., 2020,
Plasma Waves near the Electron Cyclotron Frequency in the Near-Sun Solar Wind
, ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES, Vol: 246, ISSN: 0067-0049- Author Web Link
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- Citations: 29
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Journal articleReville V, Velli M, Panasenco O, et al., 2020,
The Role of Alfven Wave Dynamics on the Large-scale Properties of the Solar Wind: Comparing an MHD Simulation with <i>Parker Solar Probe</i> E1 Data
, ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES, Vol: 246, ISSN: 0067-0049- Author Web Link
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- Citations: 59
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Journal articleMcManus MD, Bowen TA, Mallet A, et al., 2020,
Cross Helicity Reversals in Magnetic Switchbacks
, ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES, Vol: 246, ISSN: 0067-0049- Author Web Link
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- Citations: 53
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Journal articleKorreck KE, Szabo A, Chinchilla TN, et al., 2020,
Source and Propagation of a Streamer Blowout Coronal Mass Ejection Observed by theParker Solar Probe
, ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES, Vol: 246, ISSN: 0067-0049 -
Journal articleKrupar V, Szabo A, Maksimovic M, et al., 2020,
Density Fluctuations in the Solar Wind Based on Type III Radio Bursts Observed by <i>Parker Solar Probe</i>
, ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES, Vol: 246, ISSN: 0067-0049- Author Web Link
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- Citations: 37
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Journal articleBowen TA, Mallet A, Huang J, et al., 2020,
Ion-scale Electromagnetic Waves in the Inner Heliosphere
, ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES, Vol: 246, ISSN: 0067-0049- Author Web Link
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- Citations: 57
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