TY - JOUR T1 - Umbral oscillations in the photosphere JO - Astronomy & Astrophysics UR - https://eprints.whiterose.ac.uk/id/eprint/227192 PY - 2025/05/13 AU - Berretti M AU - Stangalini M AU - Verth G AU - Fedun V AU - Jafarzadeh S AU - Jess DB AU - Berrilli F ED - DO - DOI: 10.1051/0004-6361/202453176 PB - EDP Sciences VL - 697 Y2 - 2025/10/23 ER -