Fabrika S.N.; Atapin K.E.; Vinokurov A.S.; Sholukhova O.N.
(2021)
Ultraluminous X-ray sources (ULXs) were identified as a separate class of objects in 2000 based on data from the Chandra X-Ray Observatory. These are unique objects: their X-ray luminosities exceed the Eddington limit for ...