High-Redshift Sub-Millimeter Galaxies

Details High-Redshift Sub-Millimeter Galaxies High-Redshift Sub-Millimeter Galaxies

Apr 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009sptz.prop60194v&link_type=abstract

Spitzer Proposal ID #60194

Physics

Scientific paper

We propose to obtain IRAC imaging of 40 rare millimeter sources discovered by the South Pole Telescope (SPT). These sources are the observably brightest, rarest members of the population commonly referred to as sub-millimeter galaxies (SMGs) and will provide a new window on galaxy formation in the early universe. Because our targets are selected at longer wavelengths than typical SMG surveys, and are an order of magnitude brighter than the typical SMGs, they are expected to have a higher median redshift than objects currently in the literature. Simulations suggest that we are detecting a significant number of lensed sources, some of which should lie at z>6. The proposed observations, when combined with precise positions from ATCA 3 mm interferometric images, will enable photometric redshifts and measurements of total luminosity, star formation rates, and stellar masses for this unique sample of galaxies.

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