Selecting dusty starburst galaxies at z=1.5 using a silicate absorption feature

Details Selecting dusty starburst galaxies at z=1.5 using a silicate absorption feature Selecting dusty starburst galaxies at z=1.5 using a silicate absorption feature

Jun 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005sptz.prop20542b&link_type=abstract

Spitzer Proposal ID #20542

Physics

Scientific paper

We propose Spitzer IRS spectroscopy of a sample of 15 high redshift dusty starburst galaxies. The sample, drawn from the SWIRE and FLS surveys, is based on a silicate absorption feature at 9.7 microns being redshifted into the MIPS 24 micron band. Thus, the objects should all be around a redshift of z=1.5. This is a traditionally difficult epoch to obtain optical spectra of galaxies, and is known as the "redshift desert". Our proposed observations will validate the selection technique and, if successful, allow us to draw samples of hundreds of z=1.5 dusty starburst galaxies contained in the rich spitzer Legacy data sets.

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