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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
earth and planetary sciences
Seds: The spitzer extended deep survey. Survey design, photometry, and deep irac source counts
Astrophysical Journal, Volume 769, No. 1, Article 80, Year 2013
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Description
The Spitzer Extended Deep Survey (SEDS) is a very deep infrared survey within five well-known extragalactic science fields: the UKIDSS Ultra-Deep Survey, the Extended Chandra Deep Field South, COSMOS, the Hubble Deep Field North, and the Extended Groth Strip. SEDS covers a total area of 1.46 deg 2 to a depth of 26 AB mag (3σ) in both of the warm Infrared Array Camera (IRAC) bands at 3.6 and 4.5 μm. Because of its uniform depth of coverage in so many widely-separated fields, SEDS is subject to roughly 25% smaller errors due to cosmic variance than a single-field survey of the same size. SEDS was designed to detect and characterize galaxies from intermediate to high redshifts (z = 2-7) with a built-in means of assessing the impact of cosmic variance on the individual fields. Because the full SEDS depth was accumulated in at least three separate visits to each field, typically with six-month intervals between visits, SEDS also furnishes an opportunity to assess the infrared variability of faint objects. This paper describes the SEDS survey design, processing, and publicly-available data products. Deep IRAC counts for the more than 300,000 galaxies detected by SEDS are consistent with models based on known galaxy populations. Discrete IRAC sources contribute 5.6 ± 1.0 and 4.4 ± 0.8 nW m-2 sr-1 at 3.6 and 4.5 μm to the diffuse cosmic infrared background (CIB). IRAC sources cannot contribute more than half of the total CIB flux estimated from DIRBE data. Barring an unexpected error in the DIRBE flux estimates, half the CIB flux must therefore come from a diffuse component. © 2013. The American Astronomical Society. All rights reserved.
Authors & Co-Authors
Ashby, Matthew L.N.
United States, Cambridge
Harvard-smithsonian Center for Astrophysics
Willner, Steven P.
United States, Cambridge
Harvard-smithsonian Center for Astrophysics
Fazio, Giovanni G.
United States, Cambridge
Harvard-smithsonian Center for Astrophysics
Huang, Jiasheng
United States, Cambridge
Harvard-smithsonian Center for Astrophysics
Arendt, Richard G.
United States, Greenbelt
Nasa Goddard Space Flight Center
United States, Baltimore
University of Maryland, Baltimore County Umbc
Barmby, Pauline
Canada, London
Western University
Barro, Guillermo
United States, Santa Cruz
University of California Observatories
Bell, Eric F.
United States, Ann Arbor
University of Michigan, Ann Arbor
Bouwens, Rychard J.
Netherlands, Leiden
Universiteit Leiden
Cattaneo, Andrea
France, Marseille
Aix Marseille Université
Croton, Darren J.
Australia, Hawthorn
Swinburne University of Technology
Dav́e, Romeel
United States, Tucson
The University of Arizona
James S. Dunlop, James S.
United Kingdom, Edinburgh
The University of Edinburgh
Egami, Eiichi E.
United States, Tucson
The University of Arizona
Faber, Sandra M.
United States, Santa Cruz
University of California Observatories
Finlator, Kristian M.
Denmark, Copenhagen
Københavns Universitet
Grogin, Norman A.
United States, Baltimore
Space Telescope Science Institute
Guhathakurta, Puragra
United States, Santa Cruz
University of California Observatories
Hernquist, Lars E.
United States, Cambridge
Harvard-smithsonian Center for Astrophysics
Hora, Joseph L.
United States, Cambridge
Harvard-smithsonian Center for Astrophysics
Illingworth, Garth D.
United States, Santa Cruz
University of California Observatories
Koekemoer, Anton M.
United States, Baltimore
Space Telescope Science Institute
Koo, David C.
United States, Santa Cruz
University of California Observatories
Labbé, Ivo
Netherlands, Leiden
Universiteit Leiden
Lin, Lihwai
Taiwan, Nankang
Academia Sinica Taiwan
Moseley, Harvey S.
United States, Greenbelt
Nasa Goddard Space Flight Center
Nandra, Kirpaul P.
Germany, Garching Bei Munchen
Max Planck Institute for Extraterrestrial Physics
Newman, Jeffrey Allen
United States, Pittsburgh
University of Pittsburgh
Ouchi, Masami
Japan, Tokyo
The University of Tokyo
Peth, Michael A.
United States, Baltimore
Johns Hopkins University
Rigopoulou, Dimitra
United Kingdom, Oxford
University of Oxford
United Kingdom, Didcot
Rutherford Appleton Laboratory
Robertson, Brant E.
United States, Tucson
The University of Arizona
Smith, Howard A.
United States, Cambridge
Harvard-smithsonian Center for Astrophysics
Wechsler, Risa H.
United States, Palo Alto
Stanford University
United States, Menlo Park
Slac National Accelerator Laboratory
Weiner, Benjamin J.
United States, Tucson
The University of Arizona
Wilson, Gillian J.
United States, Riverside
University of California, Riverside
Wuyts, Stijn
Germany, Garching Bei Munchen
Max Planck Institute for Extraterrestrial Physics
Yan, Haojing
United States, Columbia
University of Missouri
Statistics
Citations: 209
Authors: 38
Affiliations: 29
Identifiers
Doi:
10.1088/0004-637X/769/1/80
ISSN:
0004637X
Research Areas
Health System And Policy
Study Design
Cross Sectional Study
Study Approach
Quantitative