A deep ATCA 20cm radio survey of the AKARI Deep Field South near the South Ecliptic Pole
Glenn J. White, Bunyo Hatsukade, Chris Pearson, Toshinobu Takagi,, Chris Sedgwick, Shuji Matsuura, Hideo Matsuhara, Stephen Serjeant, Takao, Nakagawa, Hyung Mok Lee, Shinki Oyabu, Woong-Seob Jeong, Mai Shirahata,, Kotaro Kohno, Issei Yamamura, Hitoshi Hanami, Tomotsugu Goto

TL;DR
This paper presents a deep 20cm radio survey of the AKARI Deep Field South, detecting 530 sources, analyzing their properties, and identifying a population of star-forming galaxies with multi-wavelength data.
Contribution
The survey provides the first detailed radio source catalog for the AKARI Deep Field South and characterizes the nature of faint radio sources as star-forming galaxies.
Findings
Detected 530 radio sources with flux limits of 18.7-50 microJy.
Identified a population of faint sources consistent with star-forming galaxies.
Found multiple multi-wavelength counterparts, including optical, infrared, and submillimetre sources.
Abstract
The results of a deep 20 cm radio survey at 20 cm are reported of the AKARI Deep Field South (ADF-S) near the South Ecliptic Pole (SEP), using the Australia Telescope Compact Array telescope, ATCA. The survey has 1 sigma detection limits ranging from 18.7--50 microJy per beam over an area of ~1.1 sq degrees, and ~2.5 sq degrees to lower sensitivity. The observations, data reduction and source count analysis are presented, along with a description of the overall scientific objectives, and a catalogue containing 530 radio sources detected with a resolution of 6.2" x 4.9". The derived differential source counts show a pronounced excess of sources fainter than ~1 mJy, consistent with an emerging population of star forming galaxies. Cross-correlating the radio with AKARI sources and archival data we find 95 cross matches, with most galaxies having optical R-magnitudes in the range 18-24 mag,…
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