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Journal Articles The Astrophysical Journal Supplement Series Year : 2016

The Spitzer-IRAC/MIPS Extragalactic Survey (SIMES) in the South Ecliptic Pole Field

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I. Baronchelli
  • Function : Author
C. Scarlata
  • Function : Author
G. Rodighiero
  • Function : Author
A. Franceschini
  • Function : Author
P. L. Capak
  • Function : Author
M. Vaccari
  • Function : Author
L. Marchetti
  • Function : Author
P. Hibon
  • Function : Author
C. Sedgwick
  • Function : Author
C. Pearson
  • Function : Author
S. Serjeant
  • Function : Author
K. Menéndez-Delmestre
  • Function : Author
M. Salvato
  • Function : Author
M. Malkan
  • Function : Author
H. I. Teplitz
  • Function : Author
M. Hayes
  • Function : Author
J. Colbert
  • Function : Author
C. Papovich
  • Function : Author
M. Devlin
  • Function : Author
A. Kovacs
  • Function : Author
K. S. Scott
  • Function : Author
J. Surace
  • Function : Author
J. D. Kirkpatrick
  • Function : Author
H. Atek
  • Function : Author
T. Urrutia
  • Function : Author
N. Z. Scoville
  • Function : Author
T. T. Takeuchi
  • Function : Author

Abstract

We present the Spitzer-IRAC/MIPS Extragalactic survey (SIMES) in the South Ecliptic Pole field. The large area covered (7.7 deg2), 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}3.6μ {{m}}≥slant 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.

Dates and versions

insu-03720978 , version 1 (12-07-2022)

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Cite

I. Baronchelli, C. Scarlata, G. Rodighiero, A. Franceschini, P. L. Capak, et al.. The Spitzer-IRAC/MIPS Extragalactic Survey (SIMES) in the South Ecliptic Pole Field. The Astrophysical Journal Supplement Series, 2016, 223, ⟨10.3847/0067-0049/223/1/1⟩. ⟨insu-03720978⟩
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