Setting realistic constraints on X17 boson from compact objects Vlasios Petousis, Alkiviadis Kanakis-Pegios, Charalambos Moustakidis, Martin Veselský and Jozef Leja EPJ Web Conf., 304 (2024) 03003 Published online: 08 October 2024 DOI: 10.1051/epjconf/202430403003