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Infrared Array Camera (IRAC) Imaging of the Lockman Hole
Author(s) -
J. S. Huang,
P. Barmby,
G. G. Fazio,
S. P. Willner,
Gillian Wilson,
D. Rigopoulou,
A. AlonsoHerrero,
H. Dole,
Eiichi Egami,
E. Le Floc’h,
Casey Papovich,
Pablo G. PérezGonzález,
Jane R. Rigby,
C. W. Engelbracht,
Karl D. Gordon,
Dean C. Hines,
Marcia Rieke,
G. H. Rieke,
K. Meisenheimer,
Satoshi Miyazaki
Publication year - 2004
Publication title -
the astrophysical journal supplement series
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 3.546
H-Index - 277
eISSN - 1538-4365
pISSN - 0067-0049
DOI - 10.1086/422882
Subject(s) - redshift , galaxy , astrophysics , physics , infrared , luminous infrared galaxy , astronomy
IRAC imaging of a 4'7x4'7 area in the Lockman Hole detected over 400 galaxiesin the IRAC 3.6 micron and 4.5 micron bands, 120 in the 5.8 micron, and 80 inthe 8 micron bandin 30 minutes of observing time. Color-color diagrams suggestthat about half of these galaxies are at redshifts 0.61.3). We also detect IRAC counterparts for 6 ofthe 7 SCUBA sources and all 9 XMM sources in this area. The detection of thecounterparts of the SCUBA sources and galaxies at z>1.3 demonstrates theability of IRAC to probe the universe at very high redshifts.Comment: 11 pages, 2 figures. accepted by ApJS, Spizter Special Issu

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