On the Anticorrelation Between Galaxy Light Concentration and X-ray-to-Optical Flux Ratio

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Identificadores
URI: https://hdl.handle.net/10902/27338
ISSN: 0004-637X
ISSN: 1538-4357
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Autoría
Povi, M.; Sánchez-Porta, l M.; Pérez García, A.M.; Bongiovanni, A.; Cepa, J.; Fernández Lorenzo, M.; Lara-López, M.A.; González Serrano, José IgnacioAutoridad Unican; Alfaro, E.J.
Fecha
2009
Derechos
© 2009 The American Astronomical Society
Publicado en
Astrophysical Journal 2009, 702 (1 PART 2), L51-L55
Editorial
Institute of Physics Publishing
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Palabras clave
Galaxies: active
X-rays: galaxies
Resumen/Abstract
Active Galactic Nuclei (AGN) play an important role in many aspects of the modern cosmology, and of particular interest is the issue of the interplay between AGN and their host galaxy. Using X?ray and optical data sets, we have explored the properties of a large sample of AGNs in the Subaru/XMM-Newton Deep Survey (SXDS) field, and studied their evolution in relation with the evolution of their host galaxy. We present here an anticorrelation between X?ray-to-optical flux ratio (X/O) and galaxy light concentration (C), which has been found for the first time and might suggest that early type galaxies, having poor matter supply to feed the AGN activity, have lower Eddington rates than those of late type galaxies
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