Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: On the radial distribution of white dwarfs in the Galactic globular
  cluster Omega Cen   We present deep and accurate photometry (F435W, F625W, F658N) of the Galactic
Globular Cluster Omega Cen collected with the Advanced Camera for Surveys (ACS)
on board the Hubble Space Telescope (HST). We identified ~ 6,500 white dwarf
(WD)candidates and compared their radial distribution with that of Main
Sequence (MS) stars. We found a mild evidence that young WDs (0.1 < t < 0.6
Gyr) are less centrally concentrated when compared to MS stars in the magnitude
range 25 < F435W < 26.5.

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The categories of this paper are: acc-phys
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The categories of this paper are: cond-mat
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The categories of this paper are: math-ph
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The categories of this paper are: nucl-ex
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The categories of this paper are: stat
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The categories of this paper are: chem-ph
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The categories of this paper are: atom-ph
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The categories of this paper are: bayes-an
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The categories of this paper are: supr-con
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The categories of this paper are: hep-ph
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The categories of this paper are: cmp-lg
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The categories of this paper are: comp-gas
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The categories of this paper are: nucl-th
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The categories of this paper are: quant-ph
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The categories of this paper are: q-bio
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The categories of this paper are: mtrl-th