The Herschel View Of The Palomar-Green Qso: Measuring The Ism Content Of A Large Volume Limited Sample Of Nearby Quasars

Astronomy and Astrophysics – Astronomy

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Scientific paper

Central Black holes (BHs) with are an integral component of massive galaxies and they play critical role in the life cycle of galaxies - the feedback associated with their high luminosities and strong winds/jets can both energize and remove the galactic ISM; they thus dramatically affect the subsequent galactic evolution (see review in Ho 2004). Here we present PACS and SPIRE data of a complete volume limited of 87 PG QSOs at z < 0.5. We combine these data with SPITZER 3.5 to 24 microns data to determine the amount of cold ISM responsible for providing the fuel for both accretion onto the BH and star-formation. We compare the masses and temperatures of the dust with the size of the BH as well as host properties.

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