Swift observations of the ultraluminous X-ray source XMMU J004243.6+412519 in M31

P. Esposito, S. E. Motta, F. Pintore +2

We report on a multi-wavelength study of the recently discovered X-ray transient XMMU J004243.6+412519 in M31, based on data collected with Swift and the 1.8-m Copernico Telescope…