Papers › Quasar-Mode Feedback in Nearby Type 1 Quasars: Ubiquitous Kiloparsec-Scale Outflows...
Quasar-Mode Feedback in Nearby Type 1 Quasars: Ubiquitous Kiloparsec-Scale Outflows and Correlations with Black Hole Properties
David Rupke, Kayhan Gültekin, Sylvain Veilleux
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The prevalence and properties of kiloparsec-scale outflows in nearby Type 1 quasars have been the subject of little previous attention. This work presents Gemini integral field spectroscopy of ten Type 1 radio-quiet quasars at z<0.3. The excellent image quality, coupled with a new technique to remove the point spread function using spectral information, allow the fitting of the underlying host on a spaxel-by-spaxel basis. Fits to stars, line-emitting gas, and interstellar absorption show that 100% of the sample host warm ionized and/or cool neutral outflows with spatially-averaged velocities (⟨v_(98) of 200-1300 km/s and peak velocities (maximum v_(98) of 500-2600 km/s. These minor-axis outflows are powered primarily by the central AGN, reach scales of 3-12 kpc, and often fill the field of view. Including molecular data and Type 2 quasar measurements, nearby quasars show a wide range in mass outflow rates (dM/dt = 1 to >1000 M_⊙/yr) and momentum boosts [(c dp/dt)/L_(AGN) = 0.01-20]. After extending the mass scale to Seyferts, dM/dt and dE/dt correlate with black hole mass (dM/dt ∼M_(BH)^(0.7±0.3) and dE/dt ∼M_(BH)^(1.3±0.5)). Thus, the most massive black holes in the local universe power the most massive and energetic quasar-mode winds.
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