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Solar Wind Modeling with the Alfvén Wave Solar atmosphere Model Driven by HMI-based Near-real-time Maps by the National Solar Observatory

Sachdeva, Nishtha ; Manchester IV, Ward B. ; Sokolov, Igor ; Huang, Zhenguang ; Pevtsov, Alexander ; Bertello, Luca ; Pevtsov, Alexei A. ; Toth, Gabor ; van der Holst, Bart ; Henney, Carl J.

The Astrophysical journal, 2023-08, Vol.952 (2), p.117 [Periódico revisado por pares]

Philadelphia: The American Astronomical Society

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Título:
Solar Wind Modeling with the Alfvén Wave Solar atmosphere Model Driven by HMI-based Near-real-time Maps by the National Solar Observatory
Autor: Sachdeva, Nishtha ; Manchester IV, Ward B. ; Sokolov, Igor ; Huang, Zhenguang ; Pevtsov, Alexander ; Bertello, Luca ; Pevtsov, Alexei A. ; Toth, Gabor ; van der Holst, Bart ; Henney, Carl J.
Assuntos: Alfven waves ; Astrophysics ; Atmosphere ; Atmospheric models ; Corona ; Magnetic fields ; Magnetic flux ; Magnetogram ; Magnetohydrodynamic waves ; Magnetohydrodynamical simulations ; Magnetohydrodynamics ; Mathematical models ; Modelling ; Numerical models ; Photosphere ; Real time ; Solar activity ; Solar atmosphere ; Solar cycle ; Solar eclipses ; Solar observatories ; Solar wind ; Ultraviolet emission
É parte de: The Astrophysical journal, 2023-08, Vol.952 (2), p.117
Notas: The Sun and the Heliosphere
AAS43900
Descrição: Abstract We explore the performance of the Alfvén Wave Solar atmosphere Model with near-real-time (NRT) synoptic maps of the photospheric vector magnetic field. These maps, produced by assimilating data from the Helioseismic Magnetic Imager (HMI) on board the Solar Dynamics Observatory, use a different method developed at the National Solar Observatory (NSO) to provide a near contemporaneous source of data to drive numerical models. Here, we apply these NSO-HMI-NRT maps to simulate three full Carrington rotations: 2107.69 (centered on the 2011 March 7 20:12 CME event), 2123.5 (centered on 2012 May 11), and 2219.12 (centered on the 2019 July 2 solar eclipse), which together cover various activity levels for solar cycle 24. We show the simulation results, which reproduce both extreme ultraviolet emission from the low corona while simultaneously matching in situ observations at 1 au as well as quantify the total unsigned open magnetic flux from these maps.
Editor: Philadelphia: The American Astronomical Society
Idioma: Inglês

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Solar Wind Modeling with the Alfvén Wave Solar atmosphere Model Driven by HMI-based Near-real-time Maps by the National Solar Observatory

Sachdeva, Nishtha ; Manchester IV, Ward B. ; Sokolov, Igor ; Huang, Zhenguang ; Pevtsov, Alexander ; Bertello, Luca ; Pevtsov, Alexei A. ; Toth, Gabor ; van der Holst, Bart ; Henney, Carl J.

Philadelphia: The American Astronomical Society

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