Other
Scientific paper
Jul 1995
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995hst..prop.6307m&link_type=abstract
HST Proposal ID #6307
Other
Hst Proposal Id #6307 Galaxies &Amp, Clusters
Scientific paper
Primeval galaxies are systems in the process of forming their first stellar populations. Despite intensive searches over more than a decade, the population of primeval galaxies has not been found and we remain essentially ignorant, from an empirical point of view, as to the early phases of galaxy formation and evolution. In view of this, we propose to obtain images with the WFPC2 of the galaxies causing optically-thick QSO absorption systems, namely damped Lyman-alpha and Lyman-alpha limit absorption systems, at redshift z>3. We propose to observe the fields around Q22-38 and Q0201+112. These data are meant to complement similar observations we have already obtained with the WFPC2 in other QSO fields. We propose the F702W filter to study the rest-frame UV light of galaxies in a spectral region that at z>3 corresponds to Lambda>1750 Angstrom. This study is aimed at elucidating the UV morphology of high-redshift galaxies during their star-forming phase, probing the existence of the structural components such as disk and bulge.
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