Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Infrared Properties of Asymptotic Giant Branch Stars in Our Galaxy and
  the Magellanic Clouds   We investigate infrared properties of asymptotic giant branch (AGB) stars in
our Galaxy and the Magellanic Clouds using various infrared observational data
and theoretical models. We use catalogs for the sample of 4996 AGB stars in our
Galaxy and about 39,000 AGB stars in the Magellanic Clouds from the available
literature. For each object in the sample, we cross-identify the 2MASS, WISE,
and Spitzer counterparts. To compare the physical properties of O-rich and
C-rich AGB stars in our Galaxy and the Magellanic Clouds, we present IR two
color diagrams (2CDs) using various photometric data. We perform radiative
transfer model calculations for AGB stars using various possible parameters of
central stars and dust shells. Using dust opacity functions of amorphous
silicate and amorphous carbon, the theoretical dust shell models can roughly
reproduce the observations of AGB stars on various IR 2CDs. Compared with our
Galaxy, we find that the Magellanic Clouds are deficient in AGB stars with
thick dust shells. Compared with the Large Magellanic Cloud (LMC), the Small
Magellanic Cloud (SMC) is more deficient in AGB stars with thick dust shells.
This could be because the Magellanic Clouds are more metal poor than our Galaxy
and the LMC is more metal rich than the SMC. We also present IR properties of
known pulsating variable. Investigating the magnitude distributions at MIR
bands for AGB stars in the Magellanic Clouds, we find that the SMC is more
deficient in the bright AGB stars at MIR bands compared with the LMC.

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The categories of this paper are: gr-qc
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The categories of this paper are: cond-mat
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The categories of this paper are: chao-dyn
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The categories of this paper are: ao-sci
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The categories of this paper are: alg-geom
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The categories of this paper are: hep-ex
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The categories of this paper are: math-ph
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The categories of this paper are: q-fin
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The categories of this paper are: econ
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The categories of this paper are: solv-int
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The categories of this paper are: q-alg
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The categories of this paper are: funct-an
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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: nucl-th
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The categories of this paper are: quant-ph