Computer Science – Performance
Scientific paper
Jul 2009
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009hst..prop12267r&link_type=abstract
HST Proposal ID #12267. Cycle 18
Computer Science
Performance
Scientific paper
Gravitational lensing provides rare chances to study high-redshift galaxies in otherwise unobtainable ways. We propose to survey star formation in a spectacular lensed galaxy, the brightest yet discovered. We propose to map, at 100 pc scales, the star formation {via H alpha} and the extinction {via the H-beta to H-alpha ratio} using narrow-band filters, and to map the UV spectral slope and the Balmer break using broad-band filters. In a typical galaxy at the epoch when most of the Universe's stars formed, these maps will show where stars are forming within the galaxy; the range of extinction and its morphology; and the performance of multiple diagnostics of star formation rate on a pixel-by-pixel basis.;
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