@article{article, title = {{Magnetohydrodynamic Wave Mode Identification in Circular and Elliptical Sunspot Umbrae: Evidence for High-order Modes}}, publisher = {{American Astronomical Society}}, url = {{}}, year = {{2022}}, month = {{3}}, author = {{Albidah AB and Fedun V and Aldhafeeri AA and Ballai I and Brevis W and Jess DB and Higham J and Stangalini M and Silva SSA and Verth G}}, doi = {{10.3847/1538-4357/ac51d9}}, volume = {{927}}, journal = {{The Astrophysical Journal}}, issue = {{2}}, pages = {{201-201}}, note = {{Accessed on 2025/04/16}}}