EXO'S: A population of dusty, high-redshift agn

Anton M. Koekemoer; D. M. Alexander; F. E. Bauer; J. Bergeron; W. N. Brandt; S. Cristiani; M. Dickinson; N. A. Grogin; V. Mainieri; L. Moustakas; C. M. Urry

EXO'S: A population of dusty, high-redshift agn

Anton M. Koekemoer, D. M. Alexander, F. E. Bauer, J. Bergeron, W. N. Brandt, S. Cristiani, M. Dickinson, N. A. Grogin, V. Mainieri, L. Moustakas, C. M. Urry

Research output: Contribution to journal › Conference article › peer-review

Abstract

A significant population of obscured black holes at high redshift has recently been revealed by Spitzer detections of Extreme X-ray / Optical sources ('EXO's). These AGN are detected in deep Chandra and XMM surveys but are completely undetected in deep optical imaging, and are thus at the extreme end of the Fx/Fopt plane with values about 100 times above typical AGN. Their Spitzer detections indicate high reddening of their hosts due to substantial amounts of dust that obscure the AGN as well as most of the stellar population, suggesting intense on-going starformation that may also be linked to increased accretion onto the central black hole. These objects therefore provide a unique opportunity to probe the relationship between galaxy evolution and black hole growth in the early universe.

Original language	English (US)
Pages (from-to)	111-114
Number of pages	4
Journal	European Space Agency, (Special Publication) ESA SP
Issue number	577
State	Published - Aug 29 2005
Event	The Dusty and Molecular Universe - A Prelude to Herschel and ALMA - Paris, France Duration: Oct 27 2004 → Oct 29 2004

All Science Journal Classification (ASJC) codes

Aerospace Engineering
Space and Planetary Science

Cite this

@article{0711eb6d688b4f3d8a2aa7587b0a531e,

title = "EXO'S: A population of dusty, high-redshift agn",

abstract = "A significant population of obscured black holes at high redshift has recently been revealed by Spitzer detections of Extreme X-ray / Optical sources ('EXO's). These AGN are detected in deep Chandra and XMM surveys but are completely undetected in deep optical imaging, and are thus at the extreme end of the Fx/Fopt plane with values about 100 times above typical AGN. Their Spitzer detections indicate high reddening of their hosts due to substantial amounts of dust that obscure the AGN as well as most of the stellar population, suggesting intense on-going starformation that may also be linked to increased accretion onto the central black hole. These objects therefore provide a unique opportunity to probe the relationship between galaxy evolution and black hole growth in the early universe.",

author = "Koekemoer, {Anton M.} and Alexander, {D. M.} and Bauer, {F. E.} and J. Bergeron and Brandt, {W. N.} and S. Cristiani and M. Dickinson and Grogin, {N. A.} and V. Mainieri and L. Moustakas and Urry, {C. M.}",

year = "2005",

month = aug,

day = "29",

language = "English (US)",

pages = "111--114",

journal = "European Space Agency, (Special Publication) ESA SP",

issn = "0379-6566",

publisher = "European Space Agency",

number = "577",

note = "The Dusty and Molecular Universe - A Prelude to Herschel and ALMA ; Conference date: 27-10-2004 Through 29-10-2004",

}

TY - JOUR

T1 - EXO'S

T2 - The Dusty and Molecular Universe - A Prelude to Herschel and ALMA

AU - Koekemoer, Anton M.

AU - Alexander, D. M.

AU - Bauer, F. E.

AU - Bergeron, J.

AU - Brandt, W. N.

AU - Cristiani, S.

AU - Dickinson, M.

AU - Grogin, N. A.

AU - Mainieri, V.

AU - Moustakas, L.

AU - Urry, C. M.

PY - 2005/8/29

Y1 - 2005/8/29

N2 - A significant population of obscured black holes at high redshift has recently been revealed by Spitzer detections of Extreme X-ray / Optical sources ('EXO's). These AGN are detected in deep Chandra and XMM surveys but are completely undetected in deep optical imaging, and are thus at the extreme end of the Fx/Fopt plane with values about 100 times above typical AGN. Their Spitzer detections indicate high reddening of their hosts due to substantial amounts of dust that obscure the AGN as well as most of the stellar population, suggesting intense on-going starformation that may also be linked to increased accretion onto the central black hole. These objects therefore provide a unique opportunity to probe the relationship between galaxy evolution and black hole growth in the early universe.

AB - A significant population of obscured black holes at high redshift has recently been revealed by Spitzer detections of Extreme X-ray / Optical sources ('EXO's). These AGN are detected in deep Chandra and XMM surveys but are completely undetected in deep optical imaging, and are thus at the extreme end of the Fx/Fopt plane with values about 100 times above typical AGN. Their Spitzer detections indicate high reddening of their hosts due to substantial amounts of dust that obscure the AGN as well as most of the stellar population, suggesting intense on-going starformation that may also be linked to increased accretion onto the central black hole. These objects therefore provide a unique opportunity to probe the relationship between galaxy evolution and black hole growth in the early universe.

UR - http://www.scopus.com/inward/record.url?scp=23844526905&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=23844526905&partnerID=8YFLogxK

M3 - Conference article

AN - SCOPUS:23844526905

SN - 0379-6566

SP - 111

EP - 114

JO - European Space Agency, (Special Publication) ESA SP

JF - European Space Agency, (Special Publication) ESA SP

IS - 577

Y2 - 27 October 2004 through 29 October 2004

ER -

EXO'S: A population of dusty, high-redshift agn

Abstract

All Science Journal Classification (ASJC) codes

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