The Advanced Camera for Surveys General Catalog: A High Redshift Galaxy Morphology Catalog

Details The Advanced Camera for Surveys General Catalog: A High Redshift Galaxy Morphology Catalog The Advanced Camera for Surveys General Catalog: A High Redshift Galaxy Morphology Catalog

May 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009aas...21430807g&link_type=abstract

American Astronomical Society, AAS Meeting #214, #308.07; Bulletin of the American Astronomical Society, Vol. 41, p.737

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We use publicly available data obtained with the Advanced Camera for Surveys (ACS) instrument on the Hubble Space Telescope to construct the ACS General Catalog (ACS-GC). The ACS-GC includes over 370,000 astronomical sources (stars + galaxies) derived from the AEGIS, COSMOS, GEMS, and GOODS surveys. We include publicly available redshifts from the DEEP2, COMBO-17, TKRS, PEARS and zCOSMOS surveys to supply redshifts for a considerable fraction ( 52%) of the imaging sample. GALAPAGOS was used to construct photometric (SExtractor) and morphological (GALFIT) catalogs. The morphological analysis assumes a single Sersic model for each object to derive quantitative structural parameters. Galaxy Zoo will measure visual morphologies for 200,000 of these galaxies. The ACS-GC includes color images, GALFIT residual images, a galaxy atlas, and a photometry + morphology + redshift catalog. We use these data to investigate the size-redshift relationship for both early and late-type galaxies out to z 1. The entire data set will be made publicly available through the NASA Extragalactic Database (NED) and LEVEL5.

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