Instruct: Identify the main and secondary category of Arxiv papers based on the titles
Query: Auto-consistent metallicity and star formation history of the nearest
  blue compact dwarf galaxy NGC 6789
28
The categories of this paper are: alg-geom
31
The categories of this paper are: ao-sci
11
The categories of this paper are: hep-lat
4
The categories of this paper are: cond-mat
12
The categories of this paper are: nucl-th
27
The categories of this paper are: comp-gas
15
The categories of this paper are: nucl-ex
19
The categories of this paper are: eess
33
The categories of this paper are: plasm-ph
5
The categories of this paper are: gr-qc
18
The categories of this paper are: econ
32
The categories of this paper are: atom-ph
23
The categories of this paper are: solv-int
3
The categories of this paper are: physics
2
The categories of this paper are: math
21
The categories of this paper are: adap-org