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Infrared Array Camera (IRAC) Imaging of the Lockman Hole
Huang, J. S. Barmby, P. Fazio, G. G. Willner, S. P. Wilson, Graham Wallace Rigopoulou, D. Alonso-Herrero, A. Dole, H. Egami, E. Le Floc'h, E.
Huang, J. S.
Barmby, P.
Fazio, G. G.
Willner, S. P.
Wilson, Graham Wallace
Rigopoulou, D.
Alonso-Herrero, A.
Dole, H.
Egami, E.
Le Floc'h, E.
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Abstract
IRAC imaging of a 4farcm7 × 4farcm7 area in the Lockman Hole detected over 400 galaxies in the IRAC 3.6 and 4.5 μm bands, 120 in the 5.8 μm band, and 80 in the 8.0 μm band in 30 minutes of observing time. Color-color diagrams suggest that about half of these galaxies are at redshifts 0.6 < z < 1.3 with about a quarter at higher redshifts (z > 1.3). We also detect IRAC counterparts for six of the seven SCUBA sources and all nine XMM-Newton sources in this area. The detection of the counterparts of the SCUBA sources and galaxies at z > 1.3 demonstrates the ability of IRAC to probe the universe at very high redshifts.
Description
This is the published version, also available here: http://dx.doi.org/10.1086/422882.
Date
2004-09-05
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American Astronomical Society
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Keywords
Cosmo: obervations, Galaxies: Evolution, Galaxies: High-Redshift, infrared: galaxies, surveys
Citation
J.-S. Huang et al. "Infrared Array Camera (IRAC) Imaging of the Lockman Hole." Astrophysical Journal Supplement (2004) ApJS 154 44 http://dx.doi.org/10.1086/422882.