Quasar and ULIRG Evolution

Details Quasar and ULIRG Evolution Quasar and ULIRG Evolution

Mar 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008sptz.prop50508r&link_type=abstract

Spitzer Proposal ID #50508

Computer Science

Scientific paper

Possible links between ultra-luminous infrared galaxies (ULIRGs) and quasars are at the center of current research on galaxy and supermassive black hole (SMBH) evolution. It is hypothesized that feedback from star formation and accretion by black holes causes interactions that regulate the growth of galaxies and account for the relation between SMBH and stellar bulge masses. Theoretical simulations of these processes make specific predictions about the time evolution of the luminosities due to star formation and accretion by a central SMBH. These predictions can be tested by observing complete samples of ULIRGs and PG and 2MASS quasars with IRS and MIPS. Such data allow separation of the stellar luminosity (identified through aromatic and far infrared emission) from that arising around the SMBH. The current set of Spitzer observations, however, fall short of the necessary complete samples. We propose to fill in the missing data and use the results to test theoretical evolutionary simulations. This is part 2 of program 50507.

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