111 citations · 111 across the 2 of their papers we have counts for
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L. Blecha, N. Ivanova, V. Kalogera +3
While many observed ultra-luminous X-ray sources (ULXs, Lx > 10^39 erg s^-1) could be extragalactic X-ray binaries (XRBs) emitting close to the Eddington limit, the highest-luminos…