A Fully-Identified Sample of AEGIS20 Microjansky Radio Sources
Willner, S. P.
Ashby, M. L. N.
Chapman, S. C.
Huang, J. -S
Koo, D. C.
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Infrared 3.6 to 8 micron images of the Extended Groth Strip yield plausible counterpart identifications for all but one of 510 radio sources in the AEGIS20 S(1.4 GHz) > 50 micro-Jy sample. This is the first such deep sample that has been effectively 100% identified. Achieving the same identification rate at R-band would require observations reaching R_AB > 27. Spectroscopic redshifts are available for 46% of the sample and photometric redshifts for an additional 47%. Almost all of the sources with 3.6 micron AB magnitudes brighter than 19 have spectroscopic redshifts z 1 with the remainder of uncertain nature.
Willner, S. P., M. L. N. Ashby, P. Barmby, S. C. Chapman, et al. 2012. "A Fully-Identified Sample of AEGIS20 Microjansky Radio Sources." 756(1)