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Cool gas in brightest cluster galaxies

Published online by Cambridge University Press:  21 October 2010

J. B. R. Oonk ,
W. Jaffe ,
M. N. Bremer  and
N. Hatch
J. B. R. Oonk
Affiliation:
Leiden Observatory, Leiden University, Leiden, The Netherlands email: oonk@strw.leidenuniv.nl
W. Jaffe
Affiliation:
Leiden Observatory, Leiden University, Leiden, The Netherlands email: oonk@strw.leidenuniv.nl
M. N. Bremer
Affiliation:
H.H. Wills Physics Laboratory, University of Bristol, Bristol, United Kingdom
N. Hatch
Affiliation:
Leiden Observatory, Leiden University, Leiden, The Netherlands email: oonk@strw.leidenuniv.nl
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Abstract

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Gas in galaxy clusters requires re-heating. We study the re-heating of the cool gas phases. Ionized and molecular gas is traced out to 20 kpc and found to be strongly coupled. The observed line emission may in part be explained by excitation due to hot, young stars.

Keywords

galaxies: galaxies: cooling flowscDclusters: general
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 5 , Highlights H15: Highlights of Astronomy , November 2009 , pp. 279
Copyright
Copyright © International Astronomical Union 2010

References

Jaffe, W., Bremer, M. N., & Baker, K. 2005, MNRAS 360, 748CrossRefGoogle Scholar
Voit, G. M. & Donahue, M. 1997, ApJ 486, 242CrossRefGoogle Scholar