Application of CNOC2-Calibrated Photometric Redshifts to Measuring Galaxy Evolution

Details Application of CNOC2-Calibrated Photometric Redshifts to Measuring Galaxy Evolution Application of CNOC2-Calibrated Photometric Redshifts to Measuring Galaxy Evolution

May 2000

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000aas...196.5603l&link_type=abstract

American Astronomical Society, 196th AAS Meeting, #56.03; Bulletin of the American Astronomical Society, Vol. 32, p.764

Astronomy and Astrophysics

Astronomy

Scientific paper

Using the NOAO Mosaic CCD camera, we have carried out BVRI imaging of 6 sq. degrees in and around the CNOC2 Field Galaxy Redshift Survey, in order to obtain a well-calibrated photometric-redshift sample of some 40000 R < 21.5 galaxies. We will describe our photometric redshift techniques, which are tested in detail using an extensive set of 2000 CNOC2 spectroscopic-redshift calibrators. We will also describe our luminosity function (LF) estimation methods, which are used to recover unbiased estimates of LF parameters in the presence of photometric-redshift errors. Finally, we will present results on using our photometric-redshift sample to constrain galaxy evolution, specifically the measurement of luminosity and density evolution rates for the LFs of different galaxy populations at intermediate redshifts z < 1.

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