Unveil the Nature of Post-Starburst Quasars

Details Unveil the Nature of Post-Starburst Quasars Unveil the Nature of Post-Starburst Quasars

May 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006sptz.prop30075s&link_type=abstract

Spitzer Proposal ID #30075

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Scientific paper

We propose to obtain mid-IR spectra of 16 spectroscopically selected post-starburst quasars in order to fully characterize the properties of this new class. Post-starburst quasars are broad-lined AGN that also posses the spectral signatures of massive, moderate-aged stellar populations (in excess of ten billion solar masses and ages of hundreds of Myrs). This class represents several percent of the quasar population and may explicitly reveal how black hole/bulge correlations arise. We will compare their mid-IR SED and possible PAH features with other classes. The current project, which will also incorporate HST, SDSS, IRTF, KPNO and Keck data, will for the first time determine reliably for a sample of objects the properties of the massive starbursts (ages, masses), their black holes mass, accretion rate, morphologies, environments, and the relationships among these. Beyond just characterizing the properties of these populations, we plan to investigate the hypothesis that post-starburst quasars are an evolutionary phase in the lifetime of most quasars.

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