Sasaki M, Haberl F, Henze M, Saeedi S, Williams BF, Plucinsky PP, Hatzidimitriou D, Karampelas A, Sokolovsky KV, Breitschwerdt D, et al. Deep XMM-Newton observations of the northern disc of M 31. I. Source catalogue.  [Internet]. 2018;620:A28.