Computer Science
Scientific paper
Jun 2005
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005sptz.prop20239c&link_type=abstract
Spitzer Proposal ID #20239
Computer Science
Scientific paper
We propose to obtain MIPS 70- and 160-micron imaging of a mid-IR selected sample of high redshift (z~2), ultra-luminous infrared galaxies (ULIRGS). This sample was first identified in the Extragalactic First Look Survey and has since been detected with follow-up IRS spectroscopy. In addition to the IRS spectroscopy, an extensive dataset that includes IRAC, MIPS 24-micron imaging, SCUBA and MAMBO photometry and Keck spectroscopy will soon be fully assembled. The proposed addition of FIR imaging to the current dataset will allow us to 1) Directly measure the total infrared luminosity of these systems; 2) Identify the AGN vs. Starburst energetic nature of these sources based on the mid-IR emission-to-bolometric luminosity and MIR slope diagnostics; 3) Combine with SCUBA and MAMBO observations to derive total cold dust temperatures and masses; and 4) Compare this population of distant MIR-selected ULIRGs to the known SCUBA populations.
Armus Lee
Chary Ranga Ram
Choi Philip
Fadda Dario
Frayer David
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