Comparing the Stellar Populations of Star-forming Galaxies at z=2

Details Comparing the Stellar Populations of Star-forming Galaxies at z=2 Comparing the Stellar Populations of Star-forming Galaxies at z=2

Mar 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008sptz.prop50805g&link_type=abstract

Spitzer Proposal ID #50805

Computer Science

Scientific paper

Published results from our Cycle 4 Archival program show that Lyman Alpha Emitting galaxies (LAEs) at z=3.1 appear to be galaxies in the act of formation. These objects are currently our most promising candidates for the progenitors of present-day L* galaxies like the Milky Way, as they are younger, lower in mass, and less chemically evolved than z~3 Lyman Break Galaxies (LBGs). Deep IRAC images allow us to study the star formation history of these objects through multi-band spectral energy distribution (SED) fitting. By doing this with a sample of z=3.1 LAEs, we have begun to place constraints on the process of galaxy formation in the early universe. Here we propose to extend our study to lower redshifts, using a sample of LAEs at z=2.1, along with a continuum-selected sample of spectroscopically-confirmed star-forming galaxies (SFGs) between 1.5

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