Enhancing the detection of low-energy M dwarf flares: Wavelet-based denoising of CHEOPS data J. Poyatos, O. Fors, J. M. Gómez Cama and I. Ribas A&A, 699 (2025) A242 Published online: 14 July 2025 DOI: 10.1051/0004-6361/202453517