Characterising WASP-43b’s interior structure: Unveiling tidal decay and apsidal motion L. M. Bernabò, Sz. Csizmadia, A. M. S. Smith, J.-V. Harre, Sz. Kálmán, J. Cabrera, H. Rauer, D. Gandolfi, L. Pino, D. Ehrenreich and A. Hatzes A&A, 694 (2025) A233 Published online: 18 February 2025 DOI: 10.1051/0004-6361/202451994