Can Ionized Outflows in AGN Produce Important Feedback Effects? The Case of NGC 4051

Details Can Ionized Outflows in AGN Produce Important Feedback Effects? The Case of NGC 4051 Can Ionized Outflows in AGN Produce Important Feedback Effects? The Case of NGC 4051

Apr 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008rmxac..32..123k&link_type=abstract

The Nuclear Region, Host Galaxy and Environment of Active Galaxies (Eds. Erika Benítez, Irene Cruz-González, & Yair Krongold) Re

Astronomy and Astrophysics

Astronomy

3

Galaxies: Absorption Lines, Galaxies: Seyfert, Galaxies: Active, Galaxies: X-Rays

Scientific paper

Using a 100 ks XMM-Newton exposure of the Narrow Line Seyfert 1 NGC 4051, we show that the time evolution of the ionization state of the X-ray absorbers in response to the rapid and highly variable X-ray continuum constrains all the main physical and geometrical properties of an AGN Warm Absorber wind. An accretion disk origin for the warm absorber wind is strongly suggested. A radial flow in a spherical geometry is unlikely, and a conical wind geometry is preferred. The implied mass outflow rate from this wind, can be well constrained, and is 2-5% of the mass accretion rate. If the mass outflow rate scaling with accretion rate is representative of all quasars, our results imply that warm absorbers in powerful quasars are unlikely to produce important evolutionary effects on their larger environment, unless we are observing the winds before they get fully accelerated. Only in such a scenario can AGN winds be important for cosmic feedback.

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