WaLSA Team

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International team studying Sun activity

Waves in the Lower Solar Atmosphere (WaLSA) Team

Formation| 2018
Fields| Astrophysics
Members| 41 (February 2024)
Website| walsa.team

The Waves in the Lower Solar Atmosphere (WaLSA) team is an international consortium that is focused on investigating wave activity in the Sun's lower atmosphere. The purpose of the group is to understand how magnetohydrodynamic (MHD) waves generated within the Sun's interior and lower atmosphere affect the dynamics and heating of its outer layers.[1]

The WaLSA team's research has been supported by organizations including the Research Council of Norway through the Rosseland Centre for Solar Physics,[2] the Royal Society,[3] and the International Space Science Institute.[4]

## Research

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The WaLSA team's research focuses on understanding various wave modes propagating through solar structures.[5] They have investigated the coupling mechanisms between different wave modes[6] and measured energy carried by MHD waves.[7]

## References

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1. ^ "Magnetic Waves Explain Mystery of Sun's Puzzling Outer Layer". 22 January 2021.
2. ^ "WaLSA: Waves in the Lower Solar Atmosphere - RoCS – Rosseland Centre for Solar Physics".
3. ^ Jess, D. B.; Keys, P. H.; Stangalini, M.; Jafarzadeh, S. (February 8, 2021). "High-resolution wave dynamics in the lower solar atmosphere". Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences. 379 (2190). arXiv:2011.13940. Bibcode:2021RSPTA.37900169J. doi:10.1098/rsta.2020.0169. PMC 7780137. PMID 33342388.
4. ^ "WaLSA: Waves in the Lower Solar Atmosphere at High Resolution – ISSI Team led by P. H. Keys".
5. ^ "First detection of the magnetic field in solar vortices". 8 December 2021.
6. ^ Stangalini, M.; Verth, G.; Fedun, V.; Aldhafeeri, A. A.; Jess, D. B.; Jafarzadeh, S.; Keys, P. H.; Fleck, B.; Terradas, J.; Murabito, M.; Ermolli, I.; Soler, R.; Giorgi, F.; MacBride, C. D. (28 February 2022). "Large scale coherent magnetohydrodynamic oscillations in a sunspot". Nature Communications. 13 (1): 479. Bibcode:2022NatCo..13..479S. doi:10.1038/s41467-022-28136-8. PMC 8789893. PMID 35079009.
7. ^ Tziotziou, K.; Scullion, E.; Shelyag, S.; Steiner, O.; Khomenko, E.; Tsiropoula, G.; Canivete Cuissa, J. R.; Wedemeyer, S.; Kontogiannis, I.; Yadav, N.; Kitiashvili, I. N.; Skirvin, S. J.; Dakanalis, I.; Kosovichev, A. G.; Fedun, V. (28 February 2022). "Vortex Motions in the Solar Atmosphere". Space Science Reviews. 219 (1): 1. doi:10.1007/s11214-022-00946-8. PMC 9823109. PMID 36627929.