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THE SPITZER-IRAC/MIPS EXTRAGALACTIC SURVEY (SIMES) IN THE SOUTH ECLIPTIC POLE FIELD
Stockholms universitet, Naturvetenskapliga fakulteten, Institutionen för astronomi. Stockholms universitet, Naturvetenskapliga fakulteten, Oskar Klein-centrum för kosmopartikelfysik (OKC).
Rekke forfattare: 282016 (engelsk)Inngår i: Astrophysical Journal Supplement Series, ISSN 0067-0049, E-ISSN 1538-4365, Vol. 223, nr 1, artikkel-id 1Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

We present the Spitzer-IRAC/MIPS Extragalactic survey (SIMES) in the South Ecliptic Pole field. The large area covered (7.7 deg(2)), together with one of the lowest Galactic cirrus emissions in the entire sky and a very extensive coverage by Spitzer, Herschel, Akari, and GALEX, make the SIMES field ideal for extragalactic studies. The elongated geometry of the SIMES area (approximate to 4: 1), allowing for significant cosmic variance reduction, further improves the quality of statistical studies in this field. Here we present the reduction and photometric measurements of the Spitzer/IRAC data. The survey reaches depths of 1.93 and 1.75 mu Jy (1 sigma) at 3.6 and 4.5 mu m, respectively. We discuss the multiwavelength IRAC-based catalog, completed with optical, mid-, and far-IR observations. We detect 341,000 sources with F-3.6 mu m >= 3 sigma. Of these, 10% have an associated 24 mu m counterpart, while 2.7% have an associated SPIRE source. We release the catalog through the NASA/IPAC Infrared Science Archive. Two scientific applications of these IRAC data are presented in this paper. First, we compute integral number counts at 3.6 mu m. Second, we use the [3.6]-[4.5] color index to identify galaxy clusters at z > 1.3. We select 27 clusters in the full area, a result consistent with previous studies at similar depth.

sted, utgiver, år, opplag, sider
2016. Vol. 223, nr 1, artikkel-id 1
Emneord [en]
catalogs, galaxies: evolution, infrared: galaxies, submillimeter: galaxies, surveys
HSV kategori
Identifikatorer
URN: urn:nbn:se:su:diva-129702DOI: 10.3847/0067-0049/223/1/1ISI: 000373208900001OAI: oai:DiVA.org:su-129702DiVA, id: diva2:926000
Tilgjengelig fra: 2016-05-03 Laget: 2016-04-27 Sist oppdatert: 2017-11-30bibliografisk kontrollert

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