Computer Science
Scientific paper
Dec 1997
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997hst..prop.7517a&link_type=abstract
HST Proposal ID #7517
Computer Science
Hst Proposal Id #7517 Galaxies
Scientific paper
The most sensitive images of field galaxies currently recorded with HST include the Hubble Deep Field {HDF} and the Young Galaxy Survey {YGS}. Such images offer a unique opportunity to study galaxies at intermediate redshifts in a range of wavelengths corresponding to the near-UV to the R-band in their rest frames. We will produce and analyse a photometric atlas of the 60 brightest well-resolved galaxies in each of the 4 colors recorded in the HDF, and 30 galaxies in the somewhat-less-deep 3-color field of YGS. These galaxies have angular sizes ranging from 2'' to 9'', and therefore contain 100-2000 resolution elements in several photometric bands. For each galaxy the atlas will contain an image, the radial distributions of light and color in the each photometric band, a table of photometric parameters, and notes on the morphology and classification. The atlas will provide a rich and unbiased sample of galaxies at an evolutionary stage about 50 be a vital link in the comparison of present day galaxies {z << 0.1} with primordial galaxies {z > 3}. As time and budget permit we will analyse the atlas galaxies to compare their photometric properties, stellar content, metallicity, and star -formation activity to galaxies in the local universe.
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