Computer Science
Scientific paper
Sep 2004
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004sptz.prop.3285s&link_type=abstract
Spitzer Proposal ID #3285
Computer Science
Scientific paper
We propose to investigate the large-scale effects of feedback on galaxy formation and the intergalactic medium (IGM) in the redshift range z=1.5-2.5, the peak epoch for star formation and black hole accretion in the history of the universe. We have carefully chosen fields with bright background QSOs whose spectra probe the neutral gas and metal content of the IGM, and obtained optical and near-infrared imaging and spectroscopy of ~200 star-forming galaxies in the same volumes. Spitzer IRAC and MIPS observations will provide unprecedented constraints on the galaxies' ages, stellar masses, bolometric star-formation rates, and the correlation of these properties with the effects of feedback from star formation. These observations will be highly complementary to the very large Spitzer investment in the GOODS and GTO fields, where we will provide the same ground-based support to obtain a complete picture of the galaxy formation process when it was at its most spectacular.
Adelberger Kurt
Erb Dawn
Pettini Max
Reddy Naveen
Sargent Wallace
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