TY - JOUR T1 - Magnetohydrodynamic Wave Mode Identification in Circular and Elliptical Sunspot Umbrae: Evidence for High-order Modes JO - The Astrophysical Journal PY - 2022/03/17 AU - Albidah AB AU - Fedun V AU - Aldhafeeri AA AU - Ballai I AU - Brevis W AU - Jess DB AU - Higham J AU - Stangalini M AU - Silva SSA AU - Verth G ED - DO - DOI: 10.3847/1538-4357/ac51d9 PB - American Astronomical Society VL - 927 IS - 2 SP - 201 EP - 201 Y2 - 2025/07/05 ER -