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A correlation between star formation rate and average black hole accretion rate in star forming galaxies

Published online by Cambridge University Press:  25 July 2014

Chien-Ting J. Chen  and
Ryan C. Hickox
Chien-Ting J. Chen
Affiliation:
Department of Physics and Astronomy, Dartmouth College, 6127 Wilder Laboratory, Hanover, NH 03755, USA email: [email protected]
Ryan C. Hickox
Affiliation:
Department of Physics and Astronomy, Dartmouth College, 6127 Wilder Laboratory, Hanover, NH 03755, USA email: [email protected]
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Abstract

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We present the results of recent studies on the co-evolution of galaxies and the supermassive black holes (SMBHs) using Herschel far-infrared and Chandra X-ray observations in the Boötes survey region. For a sample of star-forming (SF) galaxies, we find a strong correlation between galactic star formation rate and the average SMBH accretion rate in SF galaxies. Recent studies have shown that star formation and AGN accretion are only weakly correlated for individual AGN, but this may be due to the short variability timescale of AGN relative to star formation. Averaging over the full AGN population yields a strong linear correlation between accretion and star formation, consistent with a simple picture in which the growth of SMBHs and their host galaxies are closely linked over galaxy evolution time scales.

Keywords

galaxies: evolution galaxies: active galaxies: starburst Infrared: galaxies X-rays: galaxies
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 9 , Symposium S304: Multiwavelength AGN Surveys and Studies , October 2013 , pp. 302 - 306
Copyright
Copyright © International Astronomical Union 2014 

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