Astronomy and Astrophysics – Astronomy
Scientific paper
Dec 2006
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006aas...20922501s&link_type=abstract
2007 AAS/AAPT Joint Meeting, American Astronomical Society Meeting 209, #225.01; Bulletin of the American Astronomical Society,
Astronomy and Astrophysics
Astronomy
Scientific paper
The Spitzer-COSMOS survey (S-COSMOS) is a Legacy program (Cycles 2+3) designed to carry out a uniform deep survey of the full 2-deg2 COSMOS field in all seven Spitzer (IRAC + MIPS) bands (3.6, 4.5, 5.6, 8.0, 24, 70, 160μm). Our Cycle 2 observations show that the observed infrared backgrounds in the S-COSMOS field are smooth and within 10% of the predicted background levels, and appear to be devoid of any significant cirrus contamination. Our first analysis results confirm that S-COSMOS will have sufficient sensitivity with IRAC to detect L* disks and spheroids out to z > 3, and with MIPS-24 to detect ultra-luminous starbursts and AGN out to z 3. We also discuss the IRAC and MIPS colors of galaxies detected in the MIPS-deep “Test area” observed in Cycle 2, and relate the optical properties of these nearand mid-infrared selected objects to the “red sequence” and “blue cloud” colors used to characterize the galaxy population in deep optical surveys.
Aussel Herve
Bhattacharya Bhubanjyoti
Brooke Timothy
Frayer David
Helou George
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