Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: The Phoenix Deep Survey: Evolution of Star Forming Galaxies   The Phoenix Deep Survey (PDS) is a multiwavelength survey based on deep 1.4
GHz radio observations used to identify a large sample of star forming galaxies
to z=1. Photometric redshifts are estimated for the optical counterparts to the
radio-detected galaxies, and their uncertainties quantified by comparison with
spectroscopic redshift measurements. The photometric redshift estimates and
associated best-fitting spectral energy distributions are used in a stacking
analysis exploring the mean radio properties of U-band selected galaxies.
Average flux densities of a few microJy are measured.

25
The categories of this paper are: patt-sol
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The categories of this paper are: supr-con
16
The categories of this paper are: stat
10
The categories of this paper are: q-bio
4
The categories of this paper are: cond-mat
34
The categories of this paper are: chem-ph
2
The categories of this paper are: math
28
The categories of this paper are: alg-geom
0
The categories of this paper are: hep-ph
5
The categories of this paper are: gr-qc
3
The categories of this paper are: physics
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The categories of this paper are: hep-lat
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The categories of this paper are: solv-int
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The categories of this paper are: dg-ga
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The categories of this paper are: adap-org
32
The categories of this paper are: atom-ph