Journal articles
Predicting the Solar Wind at the Parker Solar Probe Using an Empirically Driven MHD Model
T. Kim
1
N. Pogorelov
1
C. Arge
2
C. Henney
S. Jones-Mecholsky
2
W. Smith
S. Bale
3
J. Bonnell
3
Thierry Dudok de Wit
4
K. Goetz
P. Harvey
R. Macdowall
D. Malaspina
M. Pulupa
3
J. Kasper
5
K. Korreck
5
M. Stevens
5
A. Case
5
P. Whittlesey
3
R. Livi
3
D. Larson
3
K. Klein
G. Zank
Thierry Dudok de Wit 4
Author IdHAL : thierry-dudok-de-wit ORCID : https://orcid.org/0000-0002-4401-0943
K. Goetz
Author
P. Harvey
Author
R. Macdowall
Author
1
Alabama State University (United States)
2
GSFC - NASA Goddard Space Flight Center (Greenbelt, MD 20771 - United States)
3
University of California [Berkeley] (Berkeley, CA - United States)
- University of California (United States)
4
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)
5
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)
Abstract : Since its launch on 2018 August 12, Parker Solar Probe (PSP) has completed its first and second orbits around the Sun, having reached down to 35.7 solar radii at each perihelion. In anticipation of the exciting new data at such unprecedented distances, we have simulated the global 3D heliosphere using an MHD model coupled with a semi-empirical coronal model using the best available photospheric magnetograms as input. We compare our heliospheric MHD simulation results with in situ measurements along the PSP trajectory from its launch to the completion of the second orbit, with particular emphasis on the solar wind structure around the first two solar encounters. Furthermore, we show our model prediction for the third perihelion, which occurred on 2019 September 1. Comparison of the MHD results with PSP observations provides new insights into solar wind acceleration. Moreover, PSP observations reveal how accurately the Air Force Data Assimilative Photospheric flux Transport-Wang-Sheeley-Arge-based predictions work throughout the inner heliosphere.
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Journal articles
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https://hal-insu.archives-ouvertes.fr/insu-02937861
Contributor : Nathalie Pothier <>
Submitted on : Friday, September 18, 2020 - 7:18:55 AM
Last modification on : Wednesday, September 23, 2020 - 4:36:28 AM
Long-term archiving on: : Friday, December 4, 2020 - 9:52:44 PM
Contributor : Nathalie Pothier <>
Submitted on : Friday, September 18, 2020 - 7:18:55 AM
Last modification on : Wednesday, September 23, 2020 - 4:36:28 AM
Long-term archiving on: : Friday, December 4, 2020 - 9:52:44 PM
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1912.02397.pdf
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Identifiers
- HAL Id : insu-02937861, version 1
- DOI : 10.3847/1538-4365/ab58c9
Citation
T. Kim, N. Pogorelov, C. Arge, C. Henney, S. Jones-Mecholsky, et al.. Predicting the Solar Wind at the Parker Solar Probe Using an Empirically Driven MHD Model. Astrophysical Journal Supplement, American Astronomical Society, 2020, Early Results from Parker Solar Probe: Ushering a New Frontier in Space Exploration, 246 (2), pp.40. ⟨10.3847/1538-4365/ab58c9⟩. ⟨insu-02937861⟩
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