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Deciphering solar coronal heating : energizing small-scale loops through surface convection

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Title: Deciphering solar coronal heating : energizing small-scale loops through surface convection
Authors: Nóbrega-Siverio, D., Moreno-Insertis, F., Galsgaard, K., Krikova, K., Rouppe van der Voort, L., Joshi, R., Madjarska, M. S.
Contributors: University of St Andrews.School of Mathematics and Statistics, University of St Andrews.Applied Mathematics
Publication Year: 2025
Collection: University of St Andrews: Digital Research Repository
Subject Terms: QB Astronomy, Astronomy and Astrophysics, Space and Planetary Science, DAS, MCC, QB
Description: Funding: This research has been supported by the European Research Council through the Synergy grant No. 810218 ("The Whole Sun," ERC-2018-SyG); by the Spanish Ministry of Science, Innovation and Universities through project PGC2018-095832-B-I00; and by the Research Council of Norway (RCN) through its Centres of Excellence scheme, project number 262622. The authors acknowledge the computer resources at the MareNostrum supercomputing installation and the technical support provided by the Barcelona Supercomputing Center (BSC, RES-AECT-2021-1-0023, RES-AECT-2022-2-0002). The use of UCAR's VAPOR software (Li et al. 2019; Pearse et al. 2023) is gratefully acknowledged. This work also benefited from discussions at the International Space Science Institute (ISSI) in Bern, through ISSI International Team project #535 Unraveling surges: a joint perspective from numerical models, observations, and machine learning. L.R.v.d.V. is supported by RCN project number 325491. M.M. acknowledges financial support by DFG grant WI 3211/8-1. The Swedish 1-m Solar Telescope is operated on the island of La Palma by the Institute for Solar Physics of Stockholm University in the Spanish Observatorio del Roque de Los Muchachos of the Instituto de Astrofísica de Canarias. The Institute for Solar Physics is supported by a grant for research infrastructures of national importance from the Swedish Research Council (registration number 2017-00625). SDO observations are courtesy of NASA/SDO and the AIA, EVE, and HMI science teams. ; The solar atmosphere is filled with clusters of hot small-scale loops commonly known as coronal bright points (CBPs). These ubiquitous structures stand out in the Sun by their strong X-ray and/or extreme-ultraviolet (EUV) emission for hours to days, which makes them a crucial piece when solving the solar coronal heating puzzle. In addition, they can be the source of coronal jets and small-scale filament eruptions. Here we present a novel 3D numerical model using the Bifrost code that explains the sustained CBP ...
Document Type: article in journal/newspaper
File Description: application/pdf
Language: English
Relation: Astrophysical Journal Letters; 309505699; 85180100817; https://hdl.handle.net/10023/31481
DOI: 10.3847/2041-8213/ad0df0
Availability: https://hdl.handle.net/10023/31481
https://doi.org/10.3847/2041-8213/ad0df0
Rights: © 2023. The Author(s). Original content from this work may be used under the terms of the Creative Commons Attribution 4.0 licence (https://creativecommons.org/licenses/by/4.0/). Any further distribution of this work must maintain attribution to the author(s) and the title of the work, journal citation and DOI.
Accession Number: edsbas.2B2AE936
Database: BASE
Description
Abstract:Funding: This research has been supported by the European Research Council through the Synergy grant No. 810218 ("The Whole Sun," ERC-2018-SyG); by the Spanish Ministry of Science, Innovation and Universities through project PGC2018-095832-B-I00; and by the Research Council of Norway (RCN) through its Centres of Excellence scheme, project number 262622. The authors acknowledge the computer resources at the MareNostrum supercomputing installation and the technical support provided by the Barcelona Supercomputing Center (BSC, RES-AECT-2021-1-0023, RES-AECT-2022-2-0002). The use of UCAR's VAPOR software (Li et al. 2019; Pearse et al. 2023) is gratefully acknowledged. This work also benefited from discussions at the International Space Science Institute (ISSI) in Bern, through ISSI International Team project #535 Unraveling surges: a joint perspective from numerical models, observations, and machine learning. L.R.v.d.V. is supported by RCN project number 325491. M.M. acknowledges financial support by DFG grant WI 3211/8-1. The Swedish 1-m Solar Telescope is operated on the island of La Palma by the Institute for Solar Physics of Stockholm University in the Spanish Observatorio del Roque de Los Muchachos of the Instituto de Astrofísica de Canarias. The Institute for Solar Physics is supported by a grant for research infrastructures of national importance from the Swedish Research Council (registration number 2017-00625). SDO observations are courtesy of NASA/SDO and the AIA, EVE, and HMI science teams. ; The solar atmosphere is filled with clusters of hot small-scale loops commonly known as coronal bright points (CBPs). These ubiquitous structures stand out in the Sun by their strong X-ray and/or extreme-ultraviolet (EUV) emission for hours to days, which makes them a crucial piece when solving the solar coronal heating puzzle. In addition, they can be the source of coronal jets and small-scale filament eruptions. Here we present a novel 3D numerical model using the Bifrost code that explains the sustained CBP ...
DOI:10.3847/2041-8213/ad0df0