Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: The Galactic Halo: Conference Summary   This summary discusses new results on the stellar and gaseous luminous halo,
and on the dark halo. It concludes with a look towards the future, with
emphasis on the role of space astrometry missions.

36
The categories of this paper are: cmp-lg
3
The categories of this paper are: physics
31
The categories of this paper are: ao-sci
16
The categories of this paper are: stat
17
The categories of this paper are: q-fin
24
The categories of this paper are: dg-ga
2
The categories of this paper are: math
11
The categories of this paper are: hep-lat
12
The categories of this paper are: nucl-th
32
The categories of this paper are: atom-ph
1
The categories of this paper are: cs
28
The categories of this paper are: alg-geom
29
The categories of this paper are: funct-an
30
The categories of this paper are: q-alg
33
The categories of this paper are: plasm-ph
7
The categories of this paper are: hep-th