Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Suzaku broad-band spectroscopy of RX J1347.5-1145: constraints on the
  extremely hot gas and non-thermal emission   We present the results from the analysis of long Suzaku observations of the
most X-ray luminous galaxy cluster RX J1347.5-1145 at z=0.451. Aims: We study
physical properties of the hot (~20 keV) gas clump in the south-east (SE)
region discovered by the Sunyaev-Zel'dovich (SZ) effect observations, to
understand the gas physics of a violent cluster merger. We also explore a
signature of non-thermal emission using the hard X-ray data. Results: We find
that the single-temperature model fails to reproduce the continuum emission and
Fe-K lines measured by XIS simultaneously. The two-temperature model with a
very hot component improves the fit, although the XIS data can only give a
lower bound on its temperature. We detect the hard X-ray emission in the 12-40
keV band at the 7 sigma level; however, the significance becomes marginal when
the systematic error in the background estimation is included. With the Suzaku
+ Chandra joint analysis, we determine the temperature of the SE excess
component to be 25.3^{+6.1}_{-4.5} ^{+6.9}_{-9.5} keV (90% statistical and
systematic errors), which is in an excellent agreement with the previous SZ +
X-ray analysis. This is the first time that the X-ray spectroscopy alone gives
a good measurement of the temperature of the hot component in the SE region,
which is made possible by Suzaku's unprecedented sensitivity to the wide X-ray
band. These results strongly indicate that the cluster has undergone a recent,
violent merger. The spectral analysis shows that the SE component is consistent
with being thermal. We find the 3 sigma upper limit on the non-thermal flux, F
< 8e-12 erg s^{-1} cm^{-2} in the 12-60 keV band. Combining this limit with a
recent discovery of the radio mini halo at 1.4 GHz, we find a lower limit on
the strength of the intracluster magnetic field, B > 0.007 micro G.

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The categories of this paper are: adap-org
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The categories of this paper are: stat
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The categories of this paper are: mtrl-th
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The categories of this paper are: nucl-th
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The categories of this paper are: dg-ga
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The categories of this paper are: eess
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The categories of this paper are: ao-sci
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The categories of this paper are: nlin
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The categories of this paper are: cs
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The categories of this paper are: q-alg
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The categories of this paper are: physics
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The categories of this paper are: math
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The categories of this paper are: plasm-ph
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The categories of this paper are: cond-mat
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The categories of this paper are: quant-ph
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The categories of this paper are: supr-con