Black hole masses and accretion states in ULXs

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Black hole masses and accretion states in ULXs

We summarize indirect empirical arguments used for estimating black hole (BH) masses in ultraluminous X-ray sources (ULXs). The interpretation of the X-ray data is still too model-dependent to provide tight constraints, but masses ?100M? seem the most likely. It is getting clearer that ULXs do not s...

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Bibliographic Details
Main Authors:	Soria, Roberto, Kuncic, Z.
Format:	Conference Paper
Published:	2008
Online Access:	http://hdl.handle.net/20.500.11937/45356

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