Mathematics – Logic
Scientific paper
Jul 1994
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994hst..prop.5271s&link_type=abstract
HST Proposal ID #5271
Mathematics
Logic
Hst Proposal Id #5271 Galaxies &Amp, Clusters Distant Galaxies
Scientific paper
We have recently developed the most efficient technique known for finding distant galaxies. In our sample of 33 4C sources, at least 8 are galaxies with z < 2, and 2 have z > 3.7 The galaxies emit bright narrow Lyman alpha which is extended, usually by several arcseconds. Their optical continua are also extended. These high-redshift objects show the striking alignment between their optical and radio emission that we (unexpectedly) found to be a general property of distant radio galaxies. Here we propose to study the most distant known galaxy with the HST. Our program is directed towards imaging the galaxy in the continuum with the PC to obtain morphological information about the various components. Our distant radio galaxies are the only high-redshift objects that can be mapped in detail with the HST. This project will provide unique information about the properties of galaxies in the early universe, close to the epoch of their formation. The aim of this specific program is to make Early Release Observations of 4C41.17 as a test of the capabilities of WFPC2 in meeting the goals of the original program established before the spherical aberration was known. Unlike the original GO 2438, however, the PC is used here instead of the WFC.
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