The Relationship Between Lyman-alpha Clouds and Galaxies at z<0.3

Details The Relationship Between Lyman-alpha Clouds and Galaxies at z<0.3 The Relationship Between Lyman-alpha Clouds and Galaxies at z<0.3

Dec 1997

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997hst..prop.7747s&link_type=abstract

HST Proposal ID #7747

Computer Science

Hst Proposal Id #7747 Quasar Absorption Lines

Scientific paper

This is a continuation of the Cycle 6 program GO-6499 in which high S/N spectra of two bright low-redshift QSOs {PG0953+414 and PG1116+215} were to be obtained with the GHRS G140L grating. The goal of the observations is to study the relationship between very weak {rest-frame requivalent width < 300 mA} Ly-alpha clouds and galaxies. While the observations of PG1116+215 was completed in Cycle 6, PG0953+414 was not observed in Cycle 6 due to the second HST service mission. This Phase II represents a carryover of the unfinished GO-6499 program in which observations of PG0953+414 will be carried out using the STIS/FUV-MAMA and the E140M grating. The STIS observations are expected to reach the same sensitivity as the initially-planned GHRS observations, thus allowing us to carry out the same scientific analyses.

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