Spitzer and Herschel-based SEDs of 24 µM-bright z 0.3-3.0 Starbursts and Obscured Quasars

Details Spitzer and Herschel-based SEDs of 24 µM-bright z 0.3-3.0 Starbursts and Obscured Quasars Spitzer and Herschel-based SEDs of 24 µM-bright z 0.3-3.0 Starbursts and Obscured Quasars

Jan 2012

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2012aas...21943515s&link_type=abstract

American Astronomical Society, AAS Meeting #219, #435.15

Astronomy and Astrophysics

Astronomy

Scientific paper

We make use of the recently released HerMES SPIRE maps of the First Look Survey field to characterize the full infrared SED and measure the total infrared luminosities for a sample of 191 S24>0.9mJy sources in the Spitzer FLS field for which we also have Spitzer mid-IR spectroscopy. Our sources cover the redshift range z 0.3--2.8 and the luminosity range LIR 1011-1013Lsun.
The full IR SED analysis shows that the fraction of AGN-dominated systems is much smaller than inferred from the mid-IR alone, only 19%,the fraction of SB-AGN composites LIR(AGN)/LIR 30%-50%) is 31% and the fraction of starburst dominated galaxies (LIR(AGN)/LIR<30%) has increased to 49%.We construct a set of IR SEDs template library for mid-IR bright ULIRGs at high redshifts.
The templates will be released to public and useful for interpreting the all-sky mid-IR data from WISE.

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