Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: A New Large Catalog of Groups of Galaxies in the Southern Galactic
  Hemisphere   We present a large catalog of $N_G \approx 200$ loose groups of galaxies
selected from the Perseus-Pisces redshift Survey.

10
The categories of this paper are: q-bio
29
The categories of this paper are: funct-an
12
The categories of this paper are: nucl-th
13
The categories of this paper are: quant-ph
15
The categories of this paper are: nucl-ex
7
The categories of this paper are: hep-th
36
The categories of this paper are: cmp-lg
31
The categories of this paper are: ao-sci
9
The categories of this paper are: nlin
3
The categories of this paper are: physics
5
The categories of this paper are: gr-qc
1
The categories of this paper are: cs
4
The categories of this paper are: cond-mat
28
The categories of this paper are: alg-geom
21
The categories of this paper are: adap-org
17
The categories of this paper are: q-fin