Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Global Metallicities From Globulars Through To Elliptical Galaxies   We present narrow band data on dwarf ellipticals in nearby (Virgo, Fornax)
and intermediate redshift clusters (A2125, A2218) in order to study their mean
age and metallicities. In all four clusters, nucleated dwarf ellipticals
display colors that place them on the high metallicity end of the Milky Way
globular cluster sequence. Normal dwarf ellipticals display colors, and
resulting metallicities and ages, that align them with bright ellipticals. This
suggests that dE,N's may be the ancestors to the red GC population found around
many elliptical galaxies.

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The categories of this paper are: hep-ex
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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: quant-ph
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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: patt-sol
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The categories of this paper are: math
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The categories of this paper are: chao-dyn
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The categories of this paper are: comp-gas
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The categories of this paper are: math-ph
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The categories of this paper are: adap-org
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The categories of this paper are: econ
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The categories of this paper are: eess
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The categories of this paper are: hep-lat
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The categories of this paper are: dg-ga