Exploring the ``Bright Ages'' in the ``Other'' Northern Hubble Deep Field

Computer Science

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Hst Proposal Id #9543 Galaxies

Scientific paper

We request support to reduce and analyze the third deepest HST field imaged to date, centered on the z=2.39 radio galaxy 53w002 and an associated cluster of possible protogalactic clumps. We find that the summed images in F435W, F555W and F814W reach within 0.5-1 mag of the depth of the Hubble Deep Field North. We will merge our already fully reduced ground- based JHK imaging {to K=21.5} with the WFPC2 archival data, and deep U band imaging we are obtaining with Keck+LRIS-B. We will also put in a public archive the final reduced set of images, including our IR and U data. We will obtain photometric redshifts for all detectable galaxies in the field, and measure their morphologies and possible variability. These data products, along with the complete multiwavelength set of photometry will permit us to construct the redshift evolution of galaxy morphologies, and the global stellar mass and cosmic star formation rate as a function of redshift.

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