Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: A Beginner's Guide to Working with Astronomical Data   This elementary review covers the basics of working with astronomical data,
notably with images, spectra and higher-level (catalog) data. The basic
concepts and tools are presented using both application software (DS9 and
TOPCAT) and Python. The level of presentation is suitable for undergraduate
students, but should also be accessible to advanced high school students.

26
The categories of this paper are: bayes-an
9
The categories of this paper are: nlin
27
The categories of this paper are: comp-gas
8
The categories of this paper are: hep-ex
10
The categories of this paper are: q-bio
11
The categories of this paper are: hep-lat
25
The categories of this paper are: patt-sol
19
The categories of this paper are: eess
5
The categories of this paper are: gr-qc
20
The categories of this paper are: acc-phys
15
The categories of this paper are: nucl-ex
18
The categories of this paper are: econ
1
The categories of this paper are: cs
2
The categories of this paper are: math
12
The categories of this paper are: nucl-th
30
The categories of this paper are: q-alg