Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Bok Globules in the LMC   We report the discovery of small, isolated dust clouds in the Large
Magellanic Cloud, which are excellent candidates for counterparts to the Bok
globules observed in the Galaxy. We detect these small clouds silhoutted
against diffuse H-alpha emission, based on parallel imaging with the WFPC-2 on
HST. The clouds we identify as Bok globule candidates have typical sizes of
approximately one arcsecond, corresponding to about 0.25 parsec linear diameter
at the distance of the LMC. We derive lower limits to the optical depth within
the dark clouds, and masses assuming that the clouds have density distributions
similar to Galactic Bok globules. The sizes and estimated masses for LMC
globules are comparable to those estimated for Galactic globules. An extend
sample of such objects would be excellent targets for high-resolution infrared
and millimeter observations to study low-mass star formation in such clouds in
low-metallicity environments, and where the distance is well known.

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The categories of this paper are: hep-lat
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The categories of this paper are: supr-con
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The categories of this paper are: cmp-lg
2
The categories of this paper are: math
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The categories of this paper are: q-alg
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The categories of this paper are: q-bio
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The categories of this paper are: physics
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The categories of this paper are: gr-qc
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The categories of this paper are: cs
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The categories of this paper are: dg-ga
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The categories of this paper are: adap-org
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The categories of this paper are: atom-ph
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The categories of this paper are: hep-ex
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The categories of this paper are: acc-phys
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The categories of this paper are: alg-geom
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The categories of this paper are: econ