Formation of intermediate-mass black holes in circumnuclear regions of galaxies
Abstract
Recent high-resolution X-ray imaging studies have discovered possible candidates of intermediate-mass black holes with masses of M 102-4 in circumnuclear regions of many (disk) galaxies. It is known that a large number of massive stars are formed in a circumnuclear giant H ii region. Therefore, we propose that continual merger of compact remnants left from these massive stars is responsible for the formation of such an intermediate-mass black hole within a timescale of 109 years. A necessary condition is that several hundreds of massive stars are formed in a compact region with a radius of a few pc.
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