Probing the physics of the solar atmosphere with the multi-slit solar explorer (MUSE). II. Flares and eruptions

Cheung, M. C. M. et al. (2022) Probing the physics of the solar atmosphere with the multi-slit solar explorer (MUSE). II. Flares and eruptions. Astrophysical Journal, 926(1), 53. (doi: 10.3847/1538-4357/ac4223)

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Abstract

Current state-of-the-art spectrographs cannot resolve the fundamental spatial (subarcseconds) and temporal (less than a few tens of seconds) scales of the coronal dynamics of solar flares and eruptive phenomena. The highest-resolution coronal data to date are based on imaging, which is blind to many of the processes that drive coronal energetics and dynamics. As shown by the Interface Region Imaging Spectrograph for the low solar atmosphere, we need high-resolution spectroscopic measurements with simultaneous imaging to understand the dominant processes. In this paper: (1) we introduce the Multi-slit Solar Explorer (MUSE), a spaceborne observatory to fill this observational gap by providing high-cadence (<20 s), subarcsecond-resolution spectroscopic rasters over an active region size of the solar transition region and corona; (2) using advanced numerical models, we demonstrate the unique diagnostic capabilities of MUSE for exploring solar coronal dynamics and for constraining and discriminating models of solar flares and eruptions; (3) we discuss the key contributions MUSE would make in addressing the science objectives of the Next Generation Solar Physics Mission (NGSPM), and how MUSE, the high-throughput Extreme Ultraviolet Solar Telescope, and the Daniel K Inouye Solar Telescope (and other ground-based observatories) can operate as a distributed implementation of the NGSPM. This is a companion paper to De Pontieu et al., which focuses on investigating coronal heating with MUSE.

Item Type:Articles
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:Fletcher, Professor Lyndsay
Authors: Cheung, M. C. M., Martínez-Sykora, J., Testa, P., De Pontieu, B., Chintzoglou, G., Rempel, M., Polito, V., Kerr, G. S., Reeves, K. K., Fletcher, L., Jin, M., Nóbrega-Siverio, D., Danilovic, S., Antolin, P., Allred, J., Hansteen, V., Ugarte-Urra, I., DeLuca, E., Longcope, D., Takasao, S., DeRosa, M. L., Boerner, P., Jaeggli, S., Nitta, N. V., Daw, A., Carlsson, M., and Golub, L.
College/School:College of Science and Engineering > School of Physics and Astronomy
Journal Name:Astrophysical Journal
Publisher:IOP Publishing
ISSN:0004-637X
ISSN (Online):1538-4357
Copyright Holders:Copyright © 2022 The Authors
First Published:First published in Astrophysical Journal 926(1):53
Publisher Policy:Reproduced under a Creative Commons licence

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