Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Massive young stellar objects in the N66/NGC346 region of the SMC   We present HK spectra of three sources located in the N66 region of the Small
Magellanic Cloud. The sources display prominent stellar Br Gamma and extended
H2 emission, and exhibit infrared excesses at lambda > 2 micron. Based on their
spectral features, and photometric spectral energy distributions, we suggest
that these sources are massive young stellar objects (mYSOs). The findings are
interpreted as evidence of on-going high mass star formation in N66.

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The categories of this paper are: nucl-ex
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The categories of this paper are: math-ph
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The categories of this paper are: funct-an
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The categories of this paper are: comp-gas
1
The categories of this paper are: cs
28
The categories of this paper are: alg-geom
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The categories of this paper are: plasm-ph
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The categories of this paper are: supr-con
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The categories of this paper are: stat
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The categories of this paper are: adap-org
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The categories of this paper are: eess
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The categories of this paper are: patt-sol
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The categories of this paper are: nlin
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The categories of this paper are: quant-ph
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The categories of this paper are: dg-ga
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The categories of this paper are: physics