Zobrazeno 1 - 10
of 342
pro vyhledávání: '"D. G. Mitchell"'
Autor:
N. A. Schwadron, Stuart D. Bale, J. Bonnell, A. Case, M. Shen, E. R. Christian, C. M. S. Cohen, A. J. Davis, M. I. Desai, K. Goetz, J. Giacalone, M. E. Hill, J. C. Kasper, K. Korreck, D. Larson, R. Livi, T. Lim, R. A. Leske, O. Malandraki, D. Malaspina, W. H. Matthaeus, D. J. McComas, R. L. McNutt Jr., R. A. Mewaldt, D. G. Mitchell, J. T. Niehof, M. Pulupa, Francesco Pecora, J. S. Rankin, C. Smith, E. C. Stone, J. R. Szalay, A. Vourlidas, M. E. Wiedenbeck, P. Whittlesey
Publikováno v:
The Astrophysical Journal, Vol 970, Iss 1, p 98 (2024)
We present an event observed by Parker Solar Probe (PSP) at ∼0.2 au on 2022 March 2 in which imaging and in situ measurements coincide. During this event, PSP passed through structures on the flank of a streamer blowout coronal mass ejection (CME)
Externí odkaz:
https://doaj.org/article/e71044fedc8a46f6a6d3b6ad25d46338
Autor:
N. V. Sarlis, G. Livadiotis, D. J. McComas, M. E. Cuesta, L. Y. Khoo, C. M. S. Cohen, D. G. Mitchell, N. A. Schwadron
Publikováno v:
The Astrophysical Journal, Vol 969, Iss 1, p 64 (2024)
We investigate the long-term persistence of solar energetic particle (SEP) time series by means of four different methods: Hurst rescaled range R / S analysis, detrended fluctuation analysis, centered moving average analysis, and the fluctuation of n
Externí odkaz:
https://doaj.org/article/c815afd040ef44d39505d3fa2d18a7bc
Autor:
J. G. Mitchell, G. A. de Nolfo, E. R. Christian, R. A. Leske, J. M. Ryan, J. T. Vievering, M. E. Hill, A. W. Labrador, M. E. Wiedenbeck, D. J. McComas, C. M. S. Cohen, R. L. McNutt Jr., R. A. Mewaldt, D. G. Mitchell, J. S. Rankin, N. A. Schwadron
Publikováno v:
The Astrophysical Journal, Vol 968, Iss 1, p 33 (2024)
High-energy neutral solar radiation in the form of γ -rays and neutrons is produced as secondary products in solar flares. The characteristics of this emission can provide key information regarding the energization of charged particles, particularly
Externí odkaz:
https://doaj.org/article/e065491ca58241a9811548fa80373ba4
Autor:
C. M. S. Cohen, R. A. Leske, E. R. Christian, A. C. Cummings, G. A. de Nolfo, M. I. Desai, J. Giacalone, M. E. Hill, A. W. Labrador, D. J. McComas, R. L. McNutt Jr., R. A. Mewaldt, D. G. Mitchell, J. G. Mitchell, G. D. Muro, J. S. Rankin, N. A. Schwadron, T. Sharma, M. M. Shen, J. R. Szalay, M. E. Wiedenbeck, Z. G. Xu, O. Romeo, A. Vourlidas, S. D. Bale, M. Pulupa, J. C. Kasper, D. E. Larson, R. Livi, P. Whittlesey
Publikováno v:
The Astrophysical Journal, Vol 966, Iss 2, p 148 (2024)
On 2022 September 5, Parker Solar Probe (Parker) observed a large solar energetic particle (SEP) event at the unprecedented distance of only 15 R _S from the Sun. The observations from the Integrated Science Investigation of the Sun (IS⊙IS) obtaine
Externí odkaz:
https://doaj.org/article/e4c61a6c74c940d89ac4f8c622cd407f
Autor:
D. G. Mitchell, M. E. Hill, D. J. McComas, C. M. S. Cohen, N. A. Schwadron, P. S. Mostafavi, W. H. Matthaeus, N. E. Raouafi, S. T. Al-Nussirat, D. E. Larson, A. Rahmati, J. C. Kasper, P. L. Whittlesey, R. Livi, S. D. Bale, M. Pulupa, J. Giacalone, R. L. McNutt Jr., E. R. Christian, M. E. Wiedenbeck, T. Sharma
Publikováno v:
The Astrophysical Journal, Vol 965, Iss 1, p 54 (2024)
Parker Solar Probe (PSP) observations of a small dispersive event on 2022 February 27 and 28 indicate scatter-free propagation as the dominant transport mechanism between the low corona and greater than 35 solar radii. The event occurred during uniqu
Externí odkaz:
https://doaj.org/article/c0411215293641a8aa129c3221db5529
Autor:
K. Dialynas, V. J. Sterken, P. C. Brandt, L. Burlaga, D. B. Berdichevsky, R. B. Decker, S. Della Torre, R. DeMajistre, A. Galli, M. Gkioulidou, M. E. Hill, S. M. Krimigis, M. Kornbleuth, W. Kurth, B. Lavraud, R. McNutt, D. G. Mitchell, P. S. Mostafavi, R. Nikoukar, M. Opher, E. Provornikova, E. C. Roelof, P. G. Rancoita, J. D. Richardson, E. Roussos, J. M. Sokół, G. La Vacca, J. Westlake, T. Y. Chen
Publikováno v:
Frontiers in Astronomy and Space Sciences, Vol 10 (2023)
The recently published Interstellar Probe (ISP) study report describes a pragmatic mission concept with a launch window that starts in 2036 and is expected to reach several hundreds of astronomical units past the heliopause within a time frame of ≥
Externí odkaz:
https://doaj.org/article/381509ff5dc6476dabe62880e213ec99
Autor:
Joe Giacalone, C. M. S. Cohen, D. J. McComas, X. Chen, M. A. Dayeh, W. H. Matthaeus, K. G. Klein, S. D. Bale, E. R. Christian, M. I. Desai, M. E. Hill, L. Y. Khoo, D. Lario, R. A. Leske, R. L. McNutt Jr., D. G. Mitchell, J. G. Mitchell, O. Malandraki, N. A. Schwadron
Publikováno v:
The Astrophysical Journal, Vol 958, Iss 2, p 144 (2023)
We present analyses of 0.05–2 MeV ions from the 2022 February 16 energetic storm particle event observed by Parker Solar Probe's (PSP) IS⊙IS/EPI-Lo instrument at 0.35 au from the Sun. This event was characterized by an enhancement in ion fluxes f
Externí odkaz:
https://doaj.org/article/92affafdeb7944edb89696f5613f466b
Autor:
D. J. McComas, T. Sharma, E. R. Christian, C. M. S. Cohen, M. I. Desai, M. E. Hill, L. Y. Khoo, W. H. Matthaeus, D. G. Mitchell, F. Pecora, J. S. Rankin, N. A. Schwadron, J. R. Szalay, M. M. Shen, C. R. Braga, P. S. Mostafavi, S. D. Bale
Publikováno v:
The Astrophysical Journal, Vol 943, Iss 2, p 71 (2023)
We use Parker Solar Probe (PSP) observations to report the first direct measurements of the particle and field environments while crossing the leg of a coronal mass ejection (CME) very close to the Sun (∼14 Rs). An analysis that combines imaging fr
Externí odkaz:
https://doaj.org/article/b460dd2e860f4344b4380a9d409acac7
Autor:
J. G. Mitchell, C. M. S. Cohen, T. J. Eddy, C. J. Joyce, J. S. Rankin, M. M. Shen, G. A. de Nolfo, E. R. Christian, D. J. McComas, R. L. McNutt Jr., M. E. Wiedenbeck, N. A. Schwadron, M. E. Hill, A. W. Labrador, R. A. Leske, R. A. Mewaldt, D. G. Mitchell, J. R. Szalay
Publikováno v:
The Astrophysical Journal Supplement Series, Vol 264, Iss 2, p 31 (2023)
Energetic charged particles are pervasive throughout the heliosphere with contributions from solar energetic particle events, stream and corotating interaction regions, galactic cosmic rays, anomalous cosmic rays, and suprathermal ions. The Integrate
Externí odkaz:
https://doaj.org/article/b1767ae10d3542a0b33f17ad8890a99e
Autor:
J. R. Szalay, G. Clark, G. Livadiotis, D. J. McComas, D. G. Mitchell, J. S. Rankin, A. H. Sulaiman, F. Allegrini, F. Bagenal, R. W. Ebert, G. R. Gladstone, W. S. Kurth, B. H. Mauk, P. W. Valek, R. J. Wilson, S. J. Bolton
Publikováno v:
Geophysical Research Letters. 49
Two distinct proton populations are observed over Jupiter's southern polar cap: a ∼1 keV core population and ∼1-300 keV dispersive conic population at 6-7 R