Tracing the evolution of active galactic nuclei host galaxies over the last 9 Gyr of cosmic time

A. D. Goulding; W. R. Forman; R. C. Hickox; C. Jones; S. S. Murray; A. Paggi; M. L.N. Ashby; A. L. Coil; M. C. Cooper; J. S. Huang; R. Kraft; J. A. Newman; B. J. Weiner; S. P. Willner

doi:10.1088/0004-637X/783/1/40

Tracing the evolution of active galactic nuclei host galaxies over the last 9 Gyr of cosmic time

A. D. Goulding, W. R. Forman, R. C. Hickox, C. Jones, S. S. Murray, A. Paggi, M. L.N. Ashby, A. L. Coil, M. C. Cooper, J. S. Huang, R. Kraft, J. A. Newman, B. J. Weiner, S. P. Willner

Multiple Mirror Telescope Observatory

Research output: Contribution to journal › Article › peer-review

38 Scopus citations

Abstract

We present the results of a combined galaxy population analysis for the host galaxies of active galactic nuclei (AGN) identified at 0 < z < 1.4 within the Sloan Digital Sky Survey, Boötes, and DEEP2 surveys. We identified AGN in a uniform and unbiased manner at X-ray, infrared, and radio wavelengths. Supermassive black holes undergoing radiatively efficient accretion (detected as X-ray and/or infrared AGN) appear to be hosted in a separate and distinct galaxy population than AGN undergoing powerful mechanically dominated accretion (radio AGN). Consistent with some previous studies, radiatively efficient AGN appear to be preferentially hosted in modest star-forming galaxies, with little dependence on AGN or galaxy luminosity. AGN exhibiting radio-emitting jets due to mechanically dominated accretion are almost exclusively observed in massive, passive galaxies. Crucially, we now provide strong evidence that the observed host-galaxy trends are independent of redshift. In particular, these different accretion-mode AGN have remained as separate galaxy populations throughout the last 9 Gyr. Furthermore, it appears that galaxies hosting AGN have evolved along the same path as galaxies that are not hosting AGN with little evidence for distinctly separate evolution.

Original language	English (US)
Article number	40
Journal	Astrophysical Journal
Volume	783
Issue number	1
DOIs	https://doi.org/10.1088/0004-637X/783/1/40
State	Published - Mar 1 2014

Keywords

X-rays: galaxies
galaxies: active
galaxies: evolution
galaxies: statistics
infrared: galaxies
radio continuum: galaxies
surveys

ASJC Scopus subject areas

Astronomy and Astrophysics
Space and Planetary Science

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Goulding, A. D., Forman, W. R., Hickox, R. C., Jones, C., Murray, S. S., Paggi, A., Ashby, M. L. N., Coil, A. L., Cooper, M. C., Huang, J. S., Kraft, R., Newman, J. A., Weiner, B. J., & Willner, S. P. (2014). Tracing the evolution of active galactic nuclei host galaxies over the last 9 Gyr of cosmic time. Astrophysical Journal, 783(1), Article 40. https://doi.org/10.1088/0004-637X/783/1/40

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abstract = "We present the results of a combined galaxy population analysis for the host galaxies of active galactic nuclei (AGN) identified at 0 < z < 1.4 within the Sloan Digital Sky Survey, Bo{\"o}tes, and DEEP2 surveys. We identified AGN in a uniform and unbiased manner at X-ray, infrared, and radio wavelengths. Supermassive black holes undergoing radiatively efficient accretion (detected as X-ray and/or infrared AGN) appear to be hosted in a separate and distinct galaxy population than AGN undergoing powerful mechanically dominated accretion (radio AGN). Consistent with some previous studies, radiatively efficient AGN appear to be preferentially hosted in modest star-forming galaxies, with little dependence on AGN or galaxy luminosity. AGN exhibiting radio-emitting jets due to mechanically dominated accretion are almost exclusively observed in massive, passive galaxies. Crucially, we now provide strong evidence that the observed host-galaxy trends are independent of redshift. In particular, these different accretion-mode AGN have remained as separate galaxy populations throughout the last 9 Gyr. Furthermore, it appears that galaxies hosting AGN have evolved along the same path as galaxies that are not hosting AGN with little evidence for distinctly separate evolution.",

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AU - Murray, S. S.

AU - Paggi, A.

AU - Ashby, M. L.N.

AU - Coil, A. L.

AU - Cooper, M. C.

AU - Huang, J. S.

AU - Kraft, R.

AU - Newman, J. A.

AU - Weiner, B. J.

AU - Willner, S. P.

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KW - galaxies: active

KW - galaxies: evolution

KW - galaxies: statistics

KW - infrared: galaxies

KW - radio continuum: galaxies

KW - surveys

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Tracing the evolution of active galactic nuclei host galaxies over the last 9 Gyr of cosmic time

Abstract

Keywords

ASJC Scopus subject areas

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