Dusty Outflows in Narrow-Line Regions

Details Dusty Outflows in Narrow-Line Regions Dusty Outflows in Narrow-Line Regions

Jan 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003rmxac..15..336g&link_type=abstract

Winds, Bubbles, and Explosions: a conference to honor John Dyson, Pátzcuaro, Michoacán, México, September 9-13, 2002 (Eds. S. J.

Astronomy and Astrophysics

Astronomy

Galaxies: Seyfert, Ism: Dust

Scientific paper

When spectra of the narrow-line regions (NLR) of Seyfert Galaxies are examined, the emission-line ratios show a remarkable similarity, which is hard to understand with current models. What makes this similarity so remarkable is that it holds even over large distance and kinematical scales. In fact, recent observations show NLR outflows reaching 3000km/s in a typical Seyfert 2, NGC 1068. Here, we put forward a new model of the physical conditions in the NLR, which may explain both the similarity in line emission and these amazing outflows: radiation pressure dominated, dusty, photoablating clouds.

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