PhD seminar: Joan René Mérou Mestre, Estudiant del Programa de Doctorat de Física — All-sky searching for continuous gravitational-wave signals from unknown neutron stars in binary systems in the O4a run data

Rapidly spinning, non-axisymmetric neutron stars (NSs) are expected to emit continuous gravitational waves (CWs). Detecting such signals would significantly improve our understanding of the galactic NS population and matter in extreme conditions, and provide valuable tests of general relativity. In this talk, I discuss all-sky searches for CWs emitted by unknown NSs in binary systems. These NSs are likely to form the majority of the unobserved galactic population. Furthermore, due to mass accreting processes, they are more likely to emit stronger signals than their isolated counterparts. I review the methods used by previous all-sky searches in the third observing run of the LIGO-Virgo-KAGRA collaboration (O3), and present previous findings, highlighting the upper limits established by earlier studies. Building on these results, I give sensitivity estimates for the forthcoming all-sky search using data from the O4a run.