A new pulsating neutron star in the Ultraluminous X-ray source NGC 4559 X7?

F. Pintore, C. Pinto, G. Rodriguez-Castillo +17

Ultraluminous X-ray sources (ULX) are extragalactic objects with X-ray luminosities above the Eddington limit for a 10 Msun black hole (BH). ULXs may host super-Eddington accreting…