Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Hard X-Ray Excess in the Coma Cluster: a Reply to Rossetti & Molendi
  (astro-ph/0702417)   A short replay to the comment of Rossetti & Molendi (astro-ph/0702417) in
answer to the paper of Fusco-Femiano, Landi & Orlandini 2007 regarding the
presence of a nonthermal component in the Coma Cluster spectrum.

18
The categories of this paper are: econ
0
The categories of this paper are: hep-ph
1
The categories of this paper are: cs
36
The categories of this paper are: cmp-lg
35
The categories of this paper are: mtrl-th
17
The categories of this paper are: q-fin
8
The categories of this paper are: hep-ex
30
The categories of this paper are: q-alg
4
The categories of this paper are: cond-mat
26
The categories of this paper are: bayes-an
14
The categories of this paper are: math-ph
7
The categories of this paper are: hep-th
20
The categories of this paper are: acc-phys
33
The categories of this paper are: plasm-ph
10
The categories of this paper are: q-bio
31
The categories of this paper are: ao-sci