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  • Journal article
    Leske RA, Christian ER, Cohen CMS, Cummings AC, Davis AJ, Desai MI, Giacalone J, Hill ME, Joyce CJ, Krimigis SM, Labrador AW, Malandraki O, Matthaeus WH, McComas DJ, McNutt RL, Mewaldt RA, Mitchell DG, Posner A, Rankin JS, Roelof EC, Schwadron NA, Stone EC, Szalay JR, Wiedenbeck ME, Vourlidas A, Bale SD, MacDowall RJ, Pulupa M, Kasper JC, Allen RC, Case AW, Korreck KE, Livi R, Stevens ML, Whittlesey P, Poduval Bet al., 2020,

    , ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES, Vol: 246, ISSN: 0067-0049
    • Cite
    • Citations: 23
  • Journal article
    Giacalone J, Mitchell DG, Allen RC, Hill ME, McNutt RL, Szalay JR, Desai MI, Rouillard AP, Kouloumvakos A, McComas DJ, Christian ER, Schwadron NA, Wiedenbeck ME, Bale S, Brown LE, Case A, Chen X, Cohen CMS, Joyce C, Kasper JC, Klein KG, Korreck K, Larson DE, Livi R, Leske RA, MacDowall RJ, Matthaeus WH, Mewaldt RA, Nieves-Chinchilla T, Pulupa M, Roelof EC, Stevens ML, Szabo A, Whittlesey PLet al., 2020,

    , ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES, Vol: 246, ISSN: 0067-0049
    • Cite
    • Citations: 30
  • 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,

    , ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES, Vol: 246, ISSN: 0067-0049
    • Cite
    • Citations: 202
  • 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,

    , 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.
  • Journal article
    Stansby D, Matteini L, Horbury TS, Perrone D, D'Amicis R, Bercic Let al., 2020,

    , 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.
  • 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,

    , ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES, Vol: 246, ISSN: 0067-0049
    • Cite
    • Citations: 62
  • 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, de Wit TD, 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,

    , ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES, Vol: 246, ISSN: 0067-0049
    • Cite
    • Citations: 68
  • 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,

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

    , 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,

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

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

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

    , ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES, Vol: 246, ISSN: 0067-0049
    • Cite
    • Citations: 125

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