X-ray Properties of AGNs with Intermediate-mass Black Holes

Details X-ray Properties of AGNs with Intermediate-mass Black Holes X-ray Properties of AGNs with Intermediate-mass Black Holes

Sep 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004cxo..prop.1750h&link_type=abstract

Chandra Proposal ID #06700600

Physics

Chandra Proposal Id #06700600

Scientific paper

Supermassive (10^6-10^9 Msun) black holes (BHs) are thought to be closely linked with the formation and evolution of galaxies. Can BHs holes form without a bulge? Does the mass function of BHs extend below 10^6 Msun? Intermediate-mass BHs (10^4-10^6 Msun) may offer important clues to the nature of the seeds of supermassive BHs; their mergers may produce significant gravity waves. Intermediate-mass BHs have been found in a couple of nearby AGNs, but their frequency is unknown. We have used the SDSS to identify a sample of 19 AGNs powered by intermediate-mass BHs. This is the first and only sample of its kind, which can be used to explore accretion physics in a new mass regime. Here we request Chandra time to characterize the sample's basic X-ray properties, which are unknown.

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