CXOM31 J004253.1+411422: the first ultraluminous X-ray transient in M 31
CXOM31 J004253.1+411422: the first ultraluminous X-ray transient in M 31
We seek clarification of the nature of X-ray sources detected in M 31. Here we focus on CXOM31 J004253.1+411422, the brightness of which suggests that it belongs to the class of ultraluminous X-ray sources. We determine the X-ray properties of sources detected in the XMM-Newton Chandra monitoring program. We investigate …