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Arithmetic with X-ray images of galaxy clusters: effective equation of state for small-scale perturbations in the ICM

Abstract:

We discuss a novel technique of manipulating X-ray images of galaxy clusters to reveal the nature of small-scale density/temperature perturbations in the intracluster medium (ICM). As we show, this technique can be used to differentiate between sound waves and isobaric perturbations in Chandra images of the Perseus and M87/Virgo clusters. The comparison of the manipulated images with the radio data and with the results of detailed spectral analysis shows that this approach successfully classi...

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Publication status:
Published
Peer review status:
Peer reviewed

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Publisher copy:
10.1093/mnras/stw2044

Authors


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Institution:
University of Oxford
Division:
MPLS
Department:
Physics
Sub department:
Theoretical Physics
Oxford college:
Merton College
Role:
Author
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Name:
Chilean National Fund for Scientific and Technological Development
More from this funder
Name:
Russian Scientific Foundation
More from this funder
Name:
National Aeronautics and Space Administration
Publisher:
Oxford University Press
Journal:
Monthly Notices of the Royal Astronomical Society More from this journal
Volume:
463
Issue:
1
Pages:
1057-1067
Publication date:
2016-08-01
Acceptance date:
2016-08-11
DOI:
EISSN:
1365-2966
ISSN:
0035-8711
Keywords:
Pubs id:
pubs:720197
UUID:
uuid:f4a422c6-51a7-4c98-9610-c8c392e9b4f6
Local pid:
pubs:720197
Source identifiers:
720197
Deposit date:
2017-10-23

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