The CANDELS Morphological Classification System for z 2 Galaxies

Details The CANDELS Morphological Classification System for z 2 Galaxies The CANDELS Morphological Classification System for z 2 Galaxies

Jan 2012

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2012aas...21940602k&link_type=abstract

American Astronomical Society, AAS Meeting #219, #406.02

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We present the initial results of an ambitious program to visually classify galaxies in all of the CANDELS fields down to a magnitude limit of H<24.5. Using a detailed visual classification scheme and many volunteer classifiers, we have classified galaxies at two different depths in the GOODS-S field. Using this unique data set, we compare the results among the different classifiers in order to quantify how reliably galaxies can be classified as a function of magnitude and redshift. We study the classifier to classifier variation as well as the differences between two different depths (2 and 4-orbit HST depths). Additionally, we compare these classifications to several automated classification techniques to quantify how well they work as a function of redshift and study the affects of morphological K-corrections.

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