Mathematics – Logic
Scientific paper
Feb 1999
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999noao.prop..240k&link_type=abstract
NOAO Proposal ID #1999A-0240
Mathematics
Logic
Scientific paper
We propose to exploit the unique wide-field imaging capabilities of the Mosaic CCD Imager on the 0.92m telescope, to carry out a deep H(alpha) imaging survey of four nearby galaxy clusters. The images will be used to derive a complete inventory of Hα-derived star formation rates (SFRs) for galaxies in the clusters, to limits of < 0.1 sfr. The scientific goals of the investigation are to: (1) Assess the accuracy and completeness of current measures of the cosmological SFR density, by comparing the Hα luminosity functions with those derived from objective prism surveys. (2) Determine quantitatively the fractions of present-day star formation residing in high surface brightness disks, starburst galaxies, gas-poor and low surface brightness disks, which will allow us to better understand the selection effects in lookback studies of galaxy evolution. (3) Further quantify the effects of cluster environment on disk galaxy evolution.
Kennicutt Robert
Moss Chris
Sakai Shoko
Whittle Mark
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