Probing the establishment of galaxy morphologies in the best-studied high-redshift structure

Details Probing the establishment of galaxy morphologies in the best-studied high-redshift structure Probing the establishment of galaxy morphologies in the best-studied high-redshift structure

Jul 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004hst..prop10405c&link_type=abstract

HST Proposal ID #10405

Mathematics

Logic

Hst Proposal Id #10405 Galaxies

Scientific paper

We propose deep ACS I-band imaging of arguably the best-studied high-redshift proto-cluster environment, a high-contrast structure in the SSA22 field at z=3.1. Our on-going study of this region has identified over 400 probable members of this structure across a 16-arcmin-square field, selected through narrow-band Lyman-alpha emission, Lyman-break photometric criteria and far-infrared/radio emission. Our proposed high-resolution imaging of galaxies in the z=3.1 structure and in the nearby field, will provide morphological information on galaxies over nearly two-orders of magnitude in local density at this early epoch. This will allow us for the first time to test whether galaxy morphology is defined at the formation of a galaxy or reflects processes acting on it during its lifetime.

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