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Soft X-ray excess in the cluster of galaxies Sérsic 159-03

Published online by Cambridge University Press:  06 October 2004

J. de Plaa ,
J. S. Kaastra ,
M. Méndez ,
T. Tamura ,
J. A. M. Bleeker ,
J. Peterson ,
F. B. S. Paerels ,
M. Bonamente  and
R. Lieu
J. de Plaa
Affiliation:
SRON, Utrecht, The Netherlands, email: [email protected] Astronomical Institute, Utrecht University, The Netherlands Present address: SRON, Sorbonnelaan 2, 3584 CA Utrecht, The Netherlands.
J. S. Kaastra
Affiliation:
SRON, Utrecht, The Netherlands, email: [email protected]
M. Méndez
Affiliation:
SRON, Utrecht, The Netherlands, email: [email protected]
T. Tamura
Affiliation:
JAXA, Japan
J. A. M. Bleeker
Affiliation:
SRON, Utrecht, The Netherlands, email: [email protected]
J. Peterson
Affiliation:
Stanford University, CA, USA
F. B. S. Paerels
Affiliation:
Columbia University, NY, USA
M. Bonamente
Affiliation:
University of Alabama, AL, USA
R. Lieu
Affiliation:
University of Alabama, AL, USA
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Abstract

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We present the results from a new 120 ks XMM-Newton observation of Sérsic 159-03. A previous XMM-Newton observation of this cluster shows the presence of a soft X-ray excess in the outer parts of the cluster, which is possibly connected to the interaction between the cluster and the gas from the surrounding filaments. We exploit the long exposure time to constrain the excess emission and discuss the relation to the warm-hot intergalactic medium. Furthermore, we show a high-resolution RGS spectrum of the core of the cluster and radial profiles from EPIC, which allow us to constrain the internal temperature structure and elemental abundances.To search for other articles by the author(s) go to: http://adsabs.harvard.edu/abstract_service.html

Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 2004 , Issue IAUC195 , March 2004 , pp. 145 - 147
Copyright
© 2004 International Astronomical Union