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• Journal article
  Chen CHK, Bale SD, Bonnell JW, Borovikov D, Bowen TA, Burgess D, Case AW, Chandran BDG, de Wit TD, Goetz K, Harvey PR, Kasper JC, Klein KG, Korreck KE, Larson D, Livi R, MacDowall RJ, Malaspina DM, Mallet A, McManus MD, Moncuquet M, Pulupa M, Stevens ML, Whittlesey Pet al., 2020,

  The Evolution and Role of Solar Wind Turbulence in the Inner Heliosphere

  , ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES, Vol: 246, ISSN: 0067-0049
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• Journal article
  Tenerani A, Velli M, Matteini L, Reville V, Shi C, Bale SD, Kasper JC, Bonnell JW, Case AW, de Wit TD, Goetz K, Harvey PR, Klein KG, Korreck K, Larson D, Livi R, MacDowall RJ, Malaspina DM, Pulupa M, Stevens M, Whittlesey Pet al., 2020,

  Magnetic field kinks and folds in the solar wind

  , Astrophysical Journal Supplement Series, Vol: 246, Pages: 1-7, ISSN: 0067-0049

  Parker Solar Probe (PSP) observations during its first encounter at 35.7 R ⊙ have shown the presence of magnetic field lines that are strongly perturbed to the point that they produce local inversions of the radial magnetic field, known as switchbacks. Their counterparts in the solar wind velocity field are local enhancements in the radial speed, or jets, displaying (in all components) the velocity–magnetic field correlation typical of large amplitude Alfvén waves propagating away from the Sun. Switchbacks and radial jets have previously been observed over a wide range of heliocentric distances by Helios, Wind, and Ulysses, although they were prevalent in significantly faster streams than seen at PSP. Here we study via numerical magnetohydrodynamics simulations the evolution of such large amplitude Alfvénic fluctuations by including, in agreement with observations, both a radial magnetic field inversion and an initially constant total magnetic pressure. Despite the extremely large excursion of magnetic and velocity fields, switchbacks are seen to persist for up to hundreds of Alfvén crossing times before eventually decaying due to the parametric decay instability. Our results suggest that such switchback/jet configurations might indeed originate in the lower corona and survive out to PSP distances, provided the background solar wind is sufficiently calm, in the sense of not being pervaded by strong density fluctuations or other gradients, such as stream or magnetic field shears, that might destabilize or destroy them over shorter timescales.

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• Journal article
  Stansby D, Matteini L, Horbury TS, Perrone D, D'Amicis R, Bercic Let 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: 0035-8711

  Although 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 article
  Szalay JR, Pokorny P, Bale SD, Christian ER, Goetz K, Goodrich K, Hill ME, Kuchner M, Larsen R, Malaspina D, McComas DJ, Mitchell D, Page B, Schwadron Net al., 2020,

  The Near-Sun Dust Environment: Initial Observations fromParker Solar Probe

  , ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES, Vol: 246, ISSN: 0067-0049
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• Journal article
  Bandyopadhyay R, Goldstein ML, Maruca BA, Matthaeus WH, Parashar TN, Ruffolo D, Chhiber R, Usmanov A, Chasapis A, Qudsi R, Bale SD, Bonnell JW, Dudok de Wit T, Goetz K, Harvey PR, MacDowall RJ, Malaspina DM, Pulupa M, Kasper JC, Korreck KE, Case AW, Stevens M, Whittlesey P, Larson D, Livi R, Klein KG, Velli M, Raouafi Net 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
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• Journal article
  Malaspina DM, Halekas J, Bercic L, Larson D, Whittlesey P, Bale SD, Bonnell JW, de Wit TD, Ergun RE, Howes G, Goetz K, Goodrich K, Harvey PR, MacDowall RJ, Pulupa M, Case AW, Kasper JC, Korreck KE, Livi R, Stevens MLet al., 2020,

  Plasma Waves near the Electron Cyclotron Frequency in the Near-Sun Solar Wind

  , ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES, Vol: 246, ISSN: 0067-0049
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  • Citations: 35
• Journal article
  Badman ST, Bale SD, Oliveros JCM, Panasenco O, Velli M, Stansby D, Buitrago-Casas JC, Reville V, Bonnell JW, Case AW, de Wit TD, Goetz K, Harvey PR, Kasper JC, Korreck KE, Larson DE, Livi R, MacDowall RJ, Malaspina DM, Pulupa M, Stevens ML, Whittlesey PLet al., 2020,

  Magnetic Connectivity of the Ecliptic Plane within 0.5 au: Potential Field Source Surface Modeling of the First<i>Parker Solar Probe</i>Encounter

  , ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES, Vol: 246, ISSN: 0067-0049
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• Journal article
  Kim TK, Pogorelov NV, Arge CN, Henney CJ, Jones-Mecholsky SI, Smith WP, Bale SD, Bonnell JW, De Wit TD, Goetz K, Harvey PR, MacDowall RJ, Malaspina DM, Pulupa M, Kasper JC, Korreck KE, Stevens M, Case AW, Whittlesey P, Livi R, Larson DE, Klein KG, Zank GPet al., 2020,

  Predicting the Solar Wind at the <i>Parker Solar Probe</i> Using an Empirically Driven MHD Model

  , ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES, Vol: 246, ISSN: 0067-0049
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  • Citations: 15
• Journal article
  Allen RC, Lario D, Odstrcil D, Ho GC, Jian LK, Cohen CMS, Badman ST, Jones SI, Arge CN, Mays ML, Mason GM, Bale SD, Bonnell JW, Case AW, Christian ER, de Wit TD, Goetz K, Harvey PR, Henney CJ, Hill ME, Kasper JC, Korreck KE, Larson D, Livi R, MacDowall RJ, Malaspina DM, McComas DJ, McNutt R, Mitchell DG, Pulupa M, Raouafi N, Schwadron N, Stevens ML, Whittlesey PL, Wiedenbeck Met al., 2020,

  Solar Wind Streams and Stream Interaction Regions Observed by the <i>Parker Solar Probe</i> with Corresponding Observations at 1 au

  , ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES, Vol: 246, ISSN: 0067-0049
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  • Citations: 37
• Journal article
  Bandyopadhyay R, Matthaeus WH, Parashar TN, Chhiber R, Ruffolo D, Goldstein ML, Maruca BA, Chasapis A, Qudsi R, McComas DJ, Christian ER, Szalay JR, Joyce CJ, Giacalone J, Schwadron NA, Mitchell DG, Hill ME, Wiedenbeck ME, McNutt RL, Desai MI, Bale SD, Bonnell JW, de Wit TD, Goetz K, Harvey PR, MacDowall RJ, Malaspina DM, Pulupa M, Velli M, Kasper JC, Korreck KE, Stevens M, Case AW, Raouafi Net al., 2020,

  Observations of Energetic-particle Population Enhancements along Intermittent Structures near the Sun from the <i>Parker Solar Probe</i>

  , ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES, Vol: 246, ISSN: 0067-0049
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  • Citations: 26
• Journal article
  Bowen TA, Mallet A, Huang J, Klein KG, Malaspina DM, Stevens M, Bale SD, Bonnell JW, Case AW, Chandran BDG, Chaston CC, Chen CHK, de Wit TD, Goetz K, Harvey PR, Howes GG, Kasper JC, Korreck KE, Larson D, Livi R, MacDowall RJ, McManus MD, Pulupa M, Verniero JL, Whittlesey Pet al., 2020,

  Ion-scale Electromagnetic Waves in the Inner Heliosphere

  , ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES, Vol: 246, ISSN: 0067-0049
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  • Citations: 98
• Journal article
  Krupar V, Szabo A, Maksimovic M, Kruparova O, Kontar EP, Balmaceda LA, Bonnin X, Bale SD, Pulupa M, Malaspina DM, Bonnell JW, Harvey PR, Goetz K, de Wit TD, MacDowall RJ, Kasper JC, Case AW, Korreck KE, Larson DE, Livi R, Stevens ML, Whittlesey PL, Hegedus AMet 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
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  • Citations: 60
• Journal article
  Korreck KE, Szabo A, Chinchilla TN, Lavraud B, Luhmann J, Niembro T, Higginson A, Alzate N, Wallace S, Paulson K, Rouillard A, Kouloumvakos A, Poirier N, Kasper JC, Case AW, Stevens ML, Bale SD, Pulupa M, Whittlesey P, Livi R, Goetz K, Larson D, Malaspina DM, Morgan H, Narock AA, Schwadron NA, Bonnell J, Harvey P, Wygant Jet 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
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• Journal article
  McManus MD, Bowen TA, Mallet A, Chen CHK, Chandran BDG, Bale SD, Larson DE, de Wit TD, Kasper JC, Stevens M, Whittlesey P, Livi R, Korreck KE, Goetz K, Harvey PR, Pulupa M, MacDowall RJ, Malaspina DM, Case AW, Bonnell JWet al., 2020,

  Cross Helicity Reversals in Magnetic Switchbacks

  , ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES, Vol: 246, ISSN: 0067-0049
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  • Citations: 70
• Journal article
  Duan D, Bowen TA, Chen CHK, Mallet A, He J, Bale SD, Vech D, Kasper JC, Pulupa M, Bonnell JW, Case AW, de Wit TD, Goetz K, Harvey PR, Korreck KE, Larson D, Livi R, MacDowall RJ, Malaspina DM, Stevens M, Whittlesey Pet 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
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  • Citations: 40
• Journal article
  Pulupa M, Bale SD, Badman ST, Bonnell JW, Case AW, de Wit TD, Goetz K, Harvey PR, Hegedus AM, Kasper JC, Korreck KE, Krasnoselskikh V, Larson D, Lecacheux A, Livi R, MacDowall RJ, Maksimovic M, Malaspina DM, Martinez Oliveros JC, Meyer-Vernet N, Moncuquet M, Stevens M, Whittlesey Pet al., 2020,

  Statistics and Polarization of Type III Radio Bursts Observed in the Inner Heliosphere

  , ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES, Vol: 246, ISSN: 0067-0049
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  • Citations: 46
• Journal article
  Mozer FS, Agapitov OV, Bale SD, Bonnell JW, Goetz K, Goodrich KA, Gore R, Harvey PR, Kellogg PJ, Malaspina D, Pulupa M, Schumm Get 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
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  • Citations: 14
• Journal article
  Zhao L-L, Zank GP, Adhikari L, Hu Q, Kasper JC, Bale SD, Korreck KE, Case AW, Stevens M, Bonnell JW, de Wit TD, Goetz K, Harvey PR, MacDowall RJ, Malaspina DM, Pulupa M, Larson DE, Livi R, Whittlesey P, Klein KGet 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
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  • Citations: 72
• Journal article
  Qudsi RA, Maruca BA, Matthaeus WH, Parashar TN, Bandyopadhyay R, Chhiber R, Chasapis A, Goldstein ML, Bale SD, Bonnell JW, de Wit TD, Goetz K, Harvey PR, MacDowall RJ, Malaspina D, Pulupa M, Kasper JC, Korreck KE, Case AW, Stevens M, Whittlesey P, Larson D, Livi R, Velli M, Raouafi Net 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
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  • Citations: 29
• Journal article
  Rouillard AP, Kouloumvakos A, Vourlidas A, Kasper J, Bale S, Raouafi N-E, Lavraud B, Howard RA, Stenborg G, Stevens M, Poirier N, Davies JA, Hess P, Higginson AK, Lavarra M, Viall NM, Korreck K, Pinto RF, Griton L, Reville V, Louarn P, Wu Y, Dalmasse K, Genot V, Case AW, Whittlesey P, Larson D, Halekas JS, Livi R, Goetz K, Harvey PR, MacDowall RJ, Malaspina D, Pulupa M, Bonnell J, de Witt TD, Penou Eet 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
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  • Citations: 60
• Journal article
  Panasenco O, Velli M, D'Amicis R, Shi C, Reville V, Bale SD, Badman ST, Kasper J, Korreck K, Bonnell JW, de Wit TD, Goetz K, Harvey PR, MacDowall RJ, Malaspina DM, Pulupa M, Case AW, Larson D, Livi R, Stevens M, Whittlesey Pet 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
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  • Citations: 55
• Journal article
  Chhiber R, Goldstein ML, Maruca BA, Chasapis A, Matthaeus WH, Ruffolo D, Bandyopadhyay R, Parashar TN, Qudsi R, de Wit TD, Bale SD, Bonnell JW, Goetz K, Harvey PR, MacDowall RJ, Malaspina D, Pulupa M, Kasper JC, Korreck KE, Case AW, Stevens M, Whittlesey P, Larson D, Livi R, Velli M, Raouafi Net 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
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  • Citations: 42
• Journal article
  Szabo A, Larson D, Whittlesey P, Stevens ML, Lavraud B, Phan T, Wallace S, Jones-Mecholsky S, Arge CN, Badman ST, Odstrcil D, Pogorelov N, Kim T, Riley P, Henney CJ, Bale SD, Bonnell JW, Case AW, de Wit TD, Goetz K, Harvey P, Kasper JC, Korreck KE, Koval A, Livi R, MacDowall RJ, Malaspina DM, Pulupa Met 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
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• Journal article
  Parashar TN, Goldstein ML, Maruca BA, Matthaeus WH, Ruffolo D, Bandyopadhyay R, Chhiber R, Chasapis A, Qudsi R, Vech D, Roberts DA, Bale SD, Bonnell JW, de Wit TD, Goetz K, Harvey PR, MacDowall RJ, Malaspina D, Pulupa M, Kasper JC, Korreck KE, Case AW, Stevens M, Whittlesey P, Larson D, Livi R, Velli M, Raouafi Net al., 2020,

  Measures of Scale-dependent Alfvenicity in the First <i>PSP</i> Solar Encounter

  , ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES, Vol: 246, ISSN: 0067-0049
  • Cite
  • Citations: 59
• Journal article
  Moncuquet M, Meyer-Vernet N, Issautier K, Pulupa M, Bonnell JW, Bale SD, de Wit TD, Goetz K, Griton L, Harvey PR, MacDowall RJ, Maksimovic M, Malaspina DMet 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
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  • Citations: 147
• Journal article
  Nieves-Chinchilla T, Szabo A, Korreck KE, Alzate N, Balmaceda LA, Lavraud B, Paulson K, Narock AA, Wallace S, Jian LK, Luhmann JG, Morgan H, Higginson A, Arge CN, Bale SD, Case AW, de Wit TD, Giacalone J, Goetz K, Harvey PR, Jones-Melosky SI, Kasper JC, Larson DE, Livi R, McComas DJ, MacDowall RJ, Malaspina DM, Pulupa M, Raouafi NE, Schwadron N, Stevens ML, Whittlesey PLet 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
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  • Citations: 38
• Journal article
  Mozer FS, Agapitov OV, Bale SD, Bonnell JW, Case T, Chaston CC, Curtis DW, de Wit TD, Goetz K, Goodrich KA, Harvey PR, Kasper JC, Korreck KE, Krasnoselskikh V, Larson DE, Livi R, MacDowall RJ, Malaspina D, Pulupa M, Stevens M, Whittlesey PL, Wygant JRet 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
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  • Citations: 97
• Journal article
  Halekas JS, Whittlesey P, Larson DE, McGinnis D, Maksimovic M, Berthomier M, Kasper JC, Case AW, Korreck KE, Stevens ML, Klein KG, Bale SD, MacDowall RJ, Pulupa MP, Malaspina DM, Goetz K, Harvey PRet 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
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  • Citations: 125
• Journal article
  Mitchell DG, Giacalone J, Allen RC, Hill ME, McNutt RL, McComas DJ, Szalay JR, Schwadron NA, Rouillard AP, Bale SB, Chaston CC, Pulupa MP, Whittlesey PL, Kasper JC, MacDowall RJ, Christian ER, Wiedenbeck ME, Matthaeus WHet 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
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  • Citations: 21
• Journal article
  Schwadron NA, Bale S, Bonnell J, Case A, Christian ER, Cohen CMS, Cummings AC, Davis AJ, de Wit TD, de Wet W, Desai MI, Joyce CJ, Goetz K, Giacalone J, Gorby M, Harvey P, Heber B, Hill ME, Karavolos M, Kasper JC, Korreck K, Larson D, Livi R, Leske RA, Malandraki O, MacDowall R, Malaspina D, Matthaeus WH, McComas DJ, McNutt RL, Mewaldt RA, Mitchell DG, Mays L, Niehof JT, Odstrcil D, Pulupa M, Poduval B, Rankin JS, Roelof EC, Stevens M, Stone EC, Szalay JR, Wiedenbeck ME, Winslow R, Whittlesey Pet al., 2020,

  Seed Population Preconditioning and Acceleration Observed by the <i>Parker Solar Probe</i>

  , ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES, Vol: 246, ISSN: 0067-0049
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  • Citations: 26

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