Instruct: Identify the main and secondary category of Arxiv papers based on the titles
Query: Dwarf Spheroidal Galaxies in the M81 Group Imaged with WFPC2
17
The categories of this paper are: q-fin
3
The categories of this paper are: physics
2
The categories of this paper are: math
16
The categories of this paper are: stat
19
The categories of this paper are: eess
8
The categories of this paper are: hep-ex
35
The categories of this paper are: mtrl-th
9
The categories of this paper are: nlin
7
The categories of this paper are: hep-th
22
The categories of this paper are: chao-dyn
27
The categories of this paper are: comp-gas
29
The categories of this paper are: funct-an
0
The categories of this paper are: hep-ph
34
The categories of this paper are: chem-ph
25
The categories of this paper are: patt-sol
18
The categories of this paper are: econ