https://iac.es/es/ciencia-y-tecnologia/publicaciones/ultracompcat-comprehensive-catalogue-ultra-compact-and-short-orbital-period-x-ray
Ultracompact X-ray binaries (UCXBs) are a distinctive but elusive family of low-mass X-ray binaries (LMXBs) characterised by their tight orbits and degenerate...
comprehensive catalogueultra compactshortorbital