Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: The X-Ray/Radio/Flaring Properties of Cygnus X-3   Cygnus X-3 is a unique microquasar. Its X-ray emission shows a very strong
4.8-hour orbital modulation. But its mass-donating companion is a Wolf-Rayet
star. Also unlike most other X-ray binaries Cygnus X-3 is relatively bright in
the radio virtually all of the time (the exceptions being the quenched states).
Cygnus X-3 also undergoes giant radio outbursts (up to 20 Jy). In this
presentation we discuss and review the flaring behavior of Cygnus X-3 and its
various radio/X-ray states. We present a revised set of radio/X-ray states
based on Cygnus X-3's hardness-intensity diagram (HID). We also examine the
connection of a certain type of activity to the reported AGILE/Fermi gamma-ray
detections of Cygnus X-3.

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The categories of this paper are: mtrl-th
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The categories of this paper are: cond-mat
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The categories of this paper are: atom-ph
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The categories of this paper are: nucl-ex
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The categories of this paper are: ao-sci
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The categories of this paper are: gr-qc
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The categories of this paper are: hep-ex
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The categories of this paper are: adap-org
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The categories of this paper are: nucl-th
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The categories of this paper are: stat
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The categories of this paper are: q-fin
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The categories of this paper are: cmp-lg
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The categories of this paper are: q-bio
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The categories of this paper are: solv-int
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The categories of this paper are: supr-con
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The categories of this paper are: chao-dyn