Journal articles
Kinetic-scale Spectral Features of Cross Helicity and Residual Energy in the Inner Heliosphere
Daniel Vech
1, 2
Justin C. Kasper
1, 3
Kristopher G. Klein
4
Jia Huang
1
Michael L. Stevens
3
Christopher H.K. Cheng
5
Anthony W. Case
3
Kelly E. Korreck
3
Stuart D. Bale
6
Trevor A. Bowen
6
Phyllis Whittlesey
6
Roberto Livi
6
Davin E Larson
6
David Malaspina
3
Marc Pulupa
6
John Bonnell
6
Peter Harvey
6
Keith Goetz
7
Thierry Dudok de Wit
8
Robert Macdowall
9
Daniel Vech 1, 2
Author
Justin C. Kasper 1, 3
Author
Kristopher G. Klein 4
Author
Jia Huang 1
Author
Michael L. Stevens 3
Author
Christopher H.K. Cheng 5
Author
Anthony W. Case 3
Author
Kelly E. Korreck 3
Author
Stuart D. Bale 6
Author
Trevor A. Bowen 6
Author
Phyllis L Whittlesey 6
Author
Roberto Livi 6
Author
Peter Harvey 6
Author
Keith Goetz 7
Author
Thierry Dudok de Wit 8
Author IdHAL : thierry-dudok-de-wit ORCID : https://orcid.org/0000-0002-4401-0943
Robert Macdowall 9
Author
1
CLaSP - Department of Climate and Space Sciences and Engineering (University of Michigan, 2455 Hayward Street, Ann Arbor,
MI-48109-2143 - United States)
- University of Michigan [Ann Arbor] (500 Church Street Ann Arbor, MI 48109-1090 - United States)
- University of Michigan System (Michigan - United States)
2
LASP - Laboratory for Atmospheric and Space Physics [Boulder] (1234 Innovation Drive, Boulder, CO 80303-7814 - United States)
- University of Colorado [Boulder] (Boulder, Colorado 80309 - United States)
3
Smithsonian Astrophysical Observatory (60 Garden Street, MS 67, Cambridge, MA 02138-1516 - United States)
- Smithsonian Institution (PO Box 37012, Washington, DC 20013-7012 - United States)
4
LPL - Lunar and Planetary Laboratory [Tucson] (Tucson, AZ 85721-0092 - United States)
- University of Arizona (Tucson AZ 85721 USA - United States)
5
School of Physics and Astronomy [London] (327 Mile End Road, London, E1 4NS, UK - United Kingdom)
- QMUL - Queen Mary University of London (Mile End Road, London E1 4NS - United Kingdom)
6
University of California [Berkeley] (Berkeley, CA - United States)
- University of California (United States)
7
University of Minnesota [Twin Cities] (Minneapolis/St.Paul - United States)
- University of Minnesota System (United States)
8
LPC2E - Laboratoire de Physique et Chimie de l'Environnement et de l'Espace (3A, Avenue de la Recherche Scientifique 45071 Orléans cedex 2 - France)
- OSUC - Observatoire des Sciences de l'Univers en région Centre : UMS3116 (Campus Géosciences, 1A rue de la Férollerie, 45071 Orléans - France)
- INSU - CNRS - Institut national des sciences de l'Univers (INSU-CNRS 3 rue Michel-Ange, 75794 Paris Cedex 16 - France)
- Observatoire de Paris (61 Av de l'Observatoire 75014 PARIS - France)
- PSL - Université Paris sciences et lettres (60 rue Mazarine 75006 Paris - France)
- UO - Université d'Orléans (Château de la Source - Avenue du Parc Floral - BP 6749 - 45067 Orléans cedex 2 - France)
- CNRS - Centre National de la Recherche Scientifique : UMS3116 (France)
- CNES - Centre National d’Études Spatiales [Paris] : UMR 7328 (Siège social : 2 place Maurice Quentin, 75039 Paris - France)
9
GSFC - NASA Goddard Space Flight Center (Greenbelt, MD 20771 - United States)
Abstract : In this work, we present the first results from the flux angle (FA) operation mode of the Faraday Cup instrument on board the Parker Solar Probe (PSP). The FA mode allows rapid measurements of phase space density fluctuations close to the peak of the proton velocity distribution function with a cadence of 293 Hz. This approach provides an invaluable tool for understanding kinetic-scale turbulence in the solar wind and solar corona. We describe a technique to convert the phase space density fluctuations into vector velocity components and compute several turbulence parameters, such as spectral index, residual energy, and cross helicity during two intervals when the FA mode was used in PSP's first encounter at 0.174 au distance from the Sun.
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Journal articles
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https://hal-insu.archives-ouvertes.fr/insu-02942545
Contributor : Nathalie Pothier <>
Submitted on : Friday, September 18, 2020 - 8:40:31 AM
Last modification on : Wednesday, September 23, 2020 - 4:35:55 AM
Contributor : Nathalie Pothier <>
Submitted on : Friday, September 18, 2020 - 8:40:31 AM
Last modification on : Wednesday, September 23, 2020 - 4:35:55 AM
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Vech_2020_ApJS_246_52.pdf
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Distributed under a Creative Commons Attribution - NoDerivatives 4.0 International License
Identifiers
- HAL Id : insu-02942545, version 1
- DOI : 10.3847/1538-4365/ab60a2
Citation
Daniel Vech, Justin C. Kasper, Kristopher G. Klein, Jia Huang, Michael L. Stevens, et al.. Kinetic-scale Spectral Features of Cross Helicity and Residual Energy in the Inner Heliosphere. Astrophysical Journal Supplement, American Astronomical Society, 2020, 246 (2), pp.52. ⟨10.3847/1538-4365/ab60a2⟩. ⟨insu-02942545⟩
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