The Spitzer-IRAC/MIPS Extragalactic survey (SIMES) IN the south ecliptic pole field

Journal Article · Tue Mar 01 04:00:00 EST 2016 · Astrophysical Journal, Supplement Series

DOI:https://doi.org/10.3847/0067-0049/223/1/1· OSTI ID:22872390

Baronchelli, I.; Scarlata, C. ^[1]; Rodighiero, G.; Franceschini, A. ^[2]; Capak, P. L.; Mei, S.; Teplitz, H. I.; Colbert, J. ^[3]; Vaccari, M. ^[4]; Marchetti, L.; Sedgwick, C.; Pearson, C.; Serjeant, S. ^[5]; Hibon, P. ^[6]; Menéndez-Delmestre, K. ^[7]; Salvato, M. ^[8]; Malkan, M. ^[9]; Hayes, M. ^[10]; Papovich, C. ^[11]; Devlin, M. ^[12] ; others, and

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1. MN Institute for Astrophysics, University of Minnesota, 116 Church Street SE, Minneapolis, MN 55455 (United States)
2. Dipartimento di Fisica e Astronomia, Università di Padova, vicolo Osservatorio, 3, I-35122 Padova (Italy)
3. California Institute of Technology, 1200 E. California Boulevard, Pasadena, CA 91125 (United States)
4. Astrophysics Group, Physics Department, University of the Western Cape, Private Bag X17, 7535 Bellville, Cape Town (South Africa)
5. Department of Physical Sciences, The Open University, Milton Keynes, MK7 6AA (United Kingdom)
6. Gemini South Observatory, Casilla 603, La Serena (Chile)
7. Observatório do Valongo, Universidade Federal de Rio de Janeiro, Rio de Janeiro (Brazil)
8. Max Planck institute for extraterrestrial Physics, Giessenbachstrasse 1, Garching, D-85748 (Germany)
9. Department of Physics and Astronomy,UCLA, Physics and Astronomy Building, 3-714, LA CA 90095-1547 (United States)
10. Department of Astronomy, Oskar Klein Centre, Stockholm University, AlbaNova University Centre, SE-106 91 Stockholm (Sweden)
11. Department of Physics and Astronomy, Texas A and M University, College Station, TX 77843-4242 (United States)
12. Department of Physics and Astronomy, University of Pennsylvania, 209 South 33rd Street, Philadelphia, PA 19104 (United States)

We present the Spitzer-IRAC/MIPS Extragalactic survey (SIMES) in the South Ecliptic Pole field. The large area covered (7.7 deg{sup 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 (≈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 μJy (1σ) at 3.6 and 4.5 μm, respectively. We discuss the multiwavelength IRAC-based catalog, completed with optical, mid-, and far-IR observations. We detect 341,000 sources with F{sub 3.6μm}⩾3σ. Of these, 10% have an associated 24 μm 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 μm. 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.

• OSTI ID: 22872390
• Journal Information: Astrophysical Journal, Supplement Series, Journal Name: Astrophysical Journal, Supplement Series Journal Issue: 1 Vol. 223; ISSN 0067-0049; ISSN APJSA2
• Country of Publication: United States
• Language: English

Related Subjects

79 ASTRONOMY AND ASTROPHYSICS
CATALOGS
COLOR
DETECTION
EMISSION
GALAXY CLUSTERS
GEOMETRY
SKY