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A large X-ray sample of fossil groups

Published online by Cambridge University Press:  21 October 2010

Eric D. Miller ,
Eli Rykoff ,
Renato de Alencar Dupke ,
Claudia Mendes de Oliveira ,
Timothy McKay  and
Benjamin Koester
Eric D. Miller
Affiliation:
MIT Kavli Institute
Eli Rykoff
Affiliation:
UCSB
Renato de Alencar Dupke
Affiliation:
ON/MCT U. Michigan
Claudia Mendes de Oliveira
Affiliation:
USP
Timothy McKay
Affiliation:
U. Michigan
Benjamin Koester
Affiliation:
U. Chicago email: milleric@space.mit.edu
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Abstract

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We present Chandra snapshot observations of the first large X-ray sample of optically identified fossil groups. For 9 of 14 candidate groups, we are able to determine the X-ray luminosity and temperature, which span a range typical of large ellipticals to rich groups of galaxies. We discuss these initial results in the context of group IGM and central galaxy ISM evolution, and we also describe plans for a deep X-ray follow-up program.

Keywords

galaxies: clusters: generalX-rays: galaxies: clusterssurveys
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 5 , Highlights H15: Highlights of Astronomy , November 2009 , pp. 288
Copyright
Copyright © International Astronomical Union 2010

References

Koester, B. P. 2007, ApJ, 660, 239CrossRefGoogle Scholar