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Nature of X-ray Sources From the Field of Nearby, Poor Cluster of Galaxies

Published online by Cambridge University Press:  01 August 2006

M. Hudaverdi ,
H. Kunieda  and
E.N. Ercan
M. Hudaverdi
Affiliation:
Department of Physics, Nagoya University, Furocho, Chikusa, 4648602, Japan email: hudaverd@u.phys.nagoya-u.ac.jp, kunieda@u.phys.nagoya-u.ac.jp Department of Physics, Boğaziçi University, Bebek, 34342, Istanbul, Turkey email: ercan@boun.edu.tr
H. Kunieda
Affiliation:
Department of Physics, Nagoya University, Furocho, Chikusa, 4648602, Japan email: hudaverd@u.phys.nagoya-u.ac.jp, kunieda@u.phys.nagoya-u.ac.jp
E.N. Ercan
Affiliation:
Department of Physics, Boğaziçi University, Bebek, 34342, Istanbul, Turkey email: ercan@boun.edu.tr
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Abstract

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A194 and A1060 are studied for the nature of point source properties. X-ray to optical luminosity ratios (Lx/Lb) are evaluated for selected galaxies. Cumulative log(N)-log(S) and intrinsic luminosity functions are applied for a comparative evaluation with Lockman Hole. 46 and 32 X-ray point sources are detected by EPIC-PN, for A194 and A1060 respectively. The XLF space density shows significant excess compared to field and local group space density. The result is interpreted as the fueling of AGNs as they enter the ICM from outskirts of the clusters and dimming of the very bright AGNs as they further proceed into cluster core.

Keywords

Clusters of galaxiesindividual; A194A1060
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 2 , Symposium S235: Galaxy Evolution Across the Hubble Time , August 2006 , pp. 205
Copyright
Copyright © International Astronomical Union 2007

References

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