Searching for accreting black holes in nuclear star clusters

Details Searching for accreting black holes in nuclear star clusters Searching for accreting black holes in nuclear star clusters

Sep 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005cxo..prop.2063s&link_type=abstract

Chandra Proposal ID #07620718

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Chandra Proposal Id #07620718

Scientific paper

We propose to study a sample of very-late-type spiral galaxies (Scd to Sm) with optically-identified nuclear star clusters (NSCs). We want to determine whether these NSCs are X-ray bright, and in particular, whether they contain an accreting black hole (BH), and whether there is a correlation between X-ray brightness and host galaxy properties. On the one hand, this will help us understand similarities and differences in the process of X-ray binary formation between the three fundamental types of massive star clusters: NSCs, old globular clusters and young super star clusters. On the other hand, we will obtain new information on the level of nuclear activity in disk-dominated galaxies, at the lower end of the central-BH mass distribution (ie, for central BH masses << 10^5 solar masses).

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