A catalog of mid-infrared sources in the Extended Groth Strip

Abstract

The Extended Groth Strip (EGS) is one of the premier fields for extragalactic deep surveys. Deep observations of the EGS with the Infrared Array Camera (IRAC) on the Spitzer Space Telescope cover an area of 0.38 square degrees to a 50% completeness limit of 1.5 uJy at 3.6 um. The catalog comprises 57434 objects detected at 3.6 um, with 84%, 28%, and 24% also detected at 4.5, 5.8, and 8.0 um. Number counts are consistent with results from other Spitzer surveys. Color distributions show that the EGS IRAC sources comprise a mixture of populations: low-redshift star-forming galaxies, quiescent galaxies dominated by stellar emission at a range of redshifts, and high redshift galaxies and AGN.

ApJS in press, 35 pages including 13 figures. Catalog and images electronically available at http://www.cfa.harvard.edu/irac/egs

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• Evidence for Wide-Spread AGN Driven Outflows in the Most Massive z~1-2 Star Forming Galaxies
• The Spitzer Deep, Wide-Field Survey
• Observational constraints on the merger history of galaxies since $z\approx 6$: Probabilistic galaxy pair counts in the CANDELS fields
• The MOSDEF Survey: Optical AGN Diagnostics at z~2.3
• Mid-IR Luminosities and UV/Optical Star Formation Rates at z<1.4
• Widespread and Hidden Active Galactic Nuclei in Star-Forming Galaxies at Redshift > 0.3
• Submillimeter Number Counts at 250, 350 and 500 microns in BLAST data
• Exploring the evolutionary paths of the most massive galaxies since z~2
• IRS Spectroscopy and Multi-wavelength Study of Luminous Star-forming Galaxies at z~1.9
• The Prevalence of Galaxy Overdensities Around UV-Luminous Lyman $\alpha$ Emitters in the Epoch of Reionization
• Multiwavelength characterization of faint Ultra Steep Spectrum radio sources : A search for high-redshift radio galaxies
• Investigating the Effect of Galaxy Interactions on Star Formation at 0.5<z<3.0
• The Impact of Strong Gravitational Lensing on Observed Lyman-Break Galaxy Numbers at 4<z<8 in the GOODS and the XDF Blank Fields
• Balmer Break Galaxy Candidates at $z\sim 6$: a Potential View on the Star-Formation Activity at $z\gtrsim 14$
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• The OTELO survey. I. Description, data reduction, and multi-wavelength catalogue
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• The Clustering of Extremely Red Objects
• A Fully-Identified Sample of AEGIS20 Microjansky Radio Sources
• Obscured AGN enhancement in galaxy pairs at cosmic noon: evidence from a probabilistic treatment of photometric redshifts
• Consistent analysis of the AGN LF in X-ray and MIR in the XMM-LSS field
• Constraining the AGN tori at cosmic noon using high-resolution JWST imaging and simultaneous SED fitting
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