The symbiosis of AGN activity and galaxy formation

Details The symbiosis of AGN activity and galaxy formation The symbiosis of AGN activity and galaxy formation

Sep 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004sptz.prop.3726m&link_type=abstract

Spitzer Proposal ID #3726

Computer Science

Scientific paper

According to galaxy formation models, cluster ellipticals formed in high density regions through hierarchical merging of gas rich sub-components. In local ellipticals, the strong correlation observed between black hole and bulge mass implies that galaxy formation is inextricably linked to the build up of supermassive black holes. We have found 6 high redshift, X-ray luminous, but heavily absorbed AGN, embedded in strong bursts of star formation revealed in the submillimetre. Our SCUBA survey shows that the immediate vicinities of these objects contain large overdensities of ultraluminous star-forming galaxies which will evolve to form clusters. Here we propose to use SPITZER to measure the stellar masses of the companion galaxies, search for buried AGN, and thereby determine the sequence in which the cluster ellipticals are assembled, form their stars, and grow their massive black holes.

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