Quasar Winds as Dust Factories at High Redshift

Details Quasar Winds as Dust Factories at High Redshift Quasar Winds as Dust Factories at High Redshift

2003-11-19

arxiv.org/abs/astro-ph/0311454v1

Astronomy and Astrophysics

Astrophysics

to appear in IAU Symposium 217: "Recycling intergalactic and interstellar matter", Pierre-Alain Duc, Jonathan Braine and Elias

Scientific paper

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.

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