Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Kinematics of the Outer Stellar Halo   We have tested whether the simple model for the kinematics of the Galactic
stellar halo (in particular the outer halo) proposed by Sommer-Larsen, Flynn
and Christensen (SLFC) is physically realizable, by directly integrating
particles in a 3-D model of the Galactic potential. We are able to show that
the SLFC solution can be realized in terms of a distribution of particles with
stationary statistical properties in phase-space. Hence, the SLFC model, which
shows a notable change in the anisotropy from markedly radial at the sun to
markedly tangential beyond about Galactocentric radius r=20 kpc, seems a
tenable description of outer halo kinematics.

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The categories of this paper are: cs
30
The categories of this paper are: q-alg
15
The categories of this paper are: nucl-ex
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The categories of this paper are: atom-ph
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The categories of this paper are: plasm-ph
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The categories of this paper are: hep-lat
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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: cmp-lg
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The categories of this paper are: stat
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The categories of this paper are: econ
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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: alg-geom
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The categories of this paper are: quant-ph
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The categories of this paper are: funct-an