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Quasar Winds as Dust Factories at High Redshift

Published online by Cambridge University Press:  26 May 2016

Martin Elvis
Affiliation:
Harvard-Smithsonian Center for Astrophysics, Cambridge Massachusetts, USA
Massimo Marengo
Affiliation:
Harvard-Smithsonian Center for Astrophysics, Cambridge Massachusetts, USA
Margarita Karovska
Affiliation:
Harvard-Smithsonian Center for Astrophysics, Cambridge Massachusetts, USA

Abstract

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Winds from AGN and quasars will form large amounts of dust, as the cool gas in these winds passes through the (pressure, temperature) region where dust is formed in AGB stars. Conditions in the gas are benign to dust at these radii. As a result quasar winds may be a major source of dust at high redshifts, obviating a difficulty with current observations, and requiring far less dust to exist at early epochs.

Type
Part 3. Ejection and Outflow
Copyright
Copyright © Astronomical Society of the Pacific 2004 

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