Suppressed star formation in circumnuclear regions in Seyfert galaxies

Details Suppressed star formation in circumnuclear regions in Seyfert galaxies Suppressed star formation in circumnuclear regions in Seyfert galaxies

2007-04-18

arxiv.org/abs/0704.2288v1

Astronomy and Astrophysics

Astrophysics

1 color figure and 1 table. ApJ Letters in press

Scientific paper

10.1086/518807

Feedback from black hole activity is widely believed to play a key role in regulating star formation and black hole growth. A long-standing issue is the relation between the star formation and fueling the supermassive black holes in active galactic nuclei (AGNs). We compile a sample of 57 Seyfert galaxies to tackle this issue. We estimate the surface densities of gas and star formation rates in circumnuclear regions (CNRs). Comparing with the well-known Kennicutt-Schmidt (K-S) law, we find that the star formation rates in CNRs of most Seyfert galaxies are suppressed in this sample. Feedback is suggested to explain the suppressed star formation rates.

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