Searching for Intermediate-Mass Black Holes in Nuclear Star Clusters

Details Searching for Intermediate-Mass Black Holes in Nuclear Star Clusters Searching for Intermediate-Mass Black Holes in Nuclear Star Clusters

Sep 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006cxo..prop.2265s&link_type=abstract

Chandra Proposal ID #08620560

Computer Science

Chandra Proposal Id #08620560

Scientific paper

We propose ACIS observations of two late-type galaxies that have compact central star clusters with unusual nebular emission. Nuclear star clusters are of interest as the possible formation sites for intermediate-mass "seed" black holes that may be required for the production of supermassive black holes. The two targets show nuclear emission lines with wings extending to +/- 200 km/s, far greater than the stellar velocity dispersions of approximately 30 km/s for the associated star clusters. Chandra observations will allow us to identify or place limits on accretion sources in these objects that would signal the presence of a central black hole.

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