Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: The Radio/Mid-Infrared Correlation and the Contribution of 15-micron
  Galaxies to the 1.4-GHz Source Counts   The radio counterparts to the 15-micron sources in the European Large Area
ISO Survey southern fields are identified in 1.4-GHz maps down to about 80
microJy. The radio-MIR correlation is investigated and derived for the first
time at these flux densities for a sample of this size. Our results show that
radio and MIR luminosities correlate almost as well as radio and FIR, at least
up to z ~ 0.6. Using the derived relation and its spread together with the
observed 15-micron counts, we have estimated the expected contribution of the
15-micron extragalactic populations to the radio source counts and the role of
MIR starburst galaxies in the well known 1.4-GHz source excess observed at
sub-mJy levels. Our analysis demonstrates that IR emitting starburst galaxies
do not contribute significantly to the 1.4-GHz counts for strong sources, but
start to become a significant fraction of the radio source population at flux
densities < 0.5 - 0.8 mJy. They are expected to be responsible for more than
60% of the observed radio counts at < 0.05 mJy. These results are in agreement
with the existing results on optical identifications of faint radio sources.

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The categories of this paper are: dg-ga
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The categories of this paper are: acc-phys
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The categories of this paper are: nucl-th
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The categories of this paper are: ao-sci
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The categories of this paper are: atom-ph
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The categories of this paper are: solv-int
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The categories of this paper are: plasm-ph
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The categories of this paper are: chem-ph
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The categories of this paper are: adap-org
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The categories of this paper are: gr-qc
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The categories of this paper are: bayes-an
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The categories of this paper are: math-ph
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The categories of this paper are: cond-mat
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The categories of this paper are: q-fin
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The categories of this paper are: alg-geom
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The categories of this paper are: hep-ex