A new pulsating neutron star in the ultraluminous X-ray source NGC 4559 X7? F. Pintore, C. Pinto, G. Rodriguez-Castillo, G. L. Israel, N. O. Pinciroli Vago, S. Motta, F. Barra, D. J. Walton, F. Fuerst, P. Kosec et al. (10 more) A&A, 695 (2025) A238 Published online: 25 March 2025 DOI: 10.1051/0004-6361/202453240