A comparative study of occurrence rates and nature of Ultraluminous X-ray sources in spiral and elliptical galaxies

C. M. Sariga, P. Shalima, D. Bhattacharya +1

Ultraluminous X-ray sources (ULXs) are mostly extragalactic non-nuclear point sources having X-ray luminosity exceeding the Eddington luminosity of 10 $M_{\odot }$ black hole i.e., $L…