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X-ray surface brightness and gas density fluctuations in the Coma cluster

Abstract:

X-ray surface brightness fluctuations in the core (650 × 650 kpc) region of the Coma cluster observed with XMM-Newton and Chandra are analysed using a 2D power spectrum approach. The resulting 2D spectra are converted to 3D power spectra of gas density fluctuations. Our independent analyses of the XMM-Newton and Chandra observations are in excellent agreement and provide the most sensitive measurements of surface brightness and density fluctuations for a hot cluster. We find that the characte...

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Authors


Churazov, E More by this author
Vikhlinin, A More by this author
Zhuravleva, I More by this author
More by this author
Institution:
University of Oxford
Department:
Oxford, MPLS, Physics, Theoretical Physics
Parrish, I More by this author
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Journal:
Monthly Notices of the Royal Astronomical Society
Volume:
421
Issue:
2
Pages:
1123-1135
Publication date:
2012-04-05
DOI:
EISSN:
1365-2966
ISSN:
0035-8711
URN:
uuid:f9e39dd1-1a19-4b2d-8992-4ae1e5b61d63
Source identifiers:
321471
Local pid:
pubs:321471

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