Deep MIPS-70 and 160-micron Imaging of the z=1.16 SMG-P4

Details Deep MIPS-70 and 160-micron Imaging of the z=1.16 SMG-P4 Deep MIPS-70 and 160-micron Imaging of the z=1.16 SMG-P4

May 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007sptz.prop40363f&link_type=abstract

Spitzer Proposal ID #40363

Computer Science

Scientific paper

We propose deep MIPS-70 and 160-micron observations of the z=1.16 submillimeter galaxy (SMG) P4. SMG-P4 is a composite AGN+starburst system showing large PAH equivalent widths indicating that the infrared emission arises predominantly from star-formation activity. The current data suggest that the far-infrared (FIR) spectral energy distribution (SED) is shifted to lower dust temperatures (cooler FIR colors) than that found for most local ULIRGs, but is consistent with the constraints on the high-redshift SMGs from ultradeep 70-micron imaging. Observations at 70 and 160-micron near the FIR peak are needed to constrain the SED, bolometric luminosity, star formation rate, and dust mass of the system.

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