SPLASH-SXDF Multi-wavelength Photometric Catalog

DOI DOI Web Site Web Site 研究データあり 被引用文献11件 参考文献77件

書誌事項

公開日
2018-04-01
資源種別
journal article
権利情報
  • https://iopscience.iop.org/page/copyright
  • https://iopscience.iop.org/info/page/text-and-data-mining
DOI
  • 10.3847/1538-4365/aab60c
  • 10.48550/arxiv.1711.05280
公開者
American Astronomical Society

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説明

<jats:title>Abstract</jats:title> <jats:p>We present a multi-wavelength catalog in the Subaru/<jats:italic>XMM-Newton</jats:italic> Deep Field (SXDF) as part of the <jats:italic>Spitzer</jats:italic> Large Area Survey with Hyper-Suprime-Cam (SPLASH). We include the newly acquired optical data from the Hyper-Suprime-Cam Subaru Strategic Program, accompanied by IRAC coverage from the SPLASH survey. All available optical and near-infrared data is homogenized and resampled on a common astrometric reference frame. Source detection is done using a multi-wavelength detection image including the <jats:italic>u</jats:italic>-band to recover the bluest objects. We measure multi-wavelength photometry and compute photometric redshifts as well as physical properties for ∼1.17 million objects over ∼4.2 deg<jats:sup>2</jats:sup>, with ∼800,000 objects in the 2.4 deg<jats:sup>2</jats:sup> HSC-Ultra-Deep coverage. Using the available spectroscopic redshifts from various surveys over the range of 0 < <jats:italic>z</jats:italic> < 6, we verify the performance of the photometric redshifts and we find a normalized median absolute deviation of 0.023 and outlier fraction of 3.2%. The SPLASH-SXDF catalog is a valuable, publicly available resource, perfectly suited for studying galaxies in the early universe and tracing their evolution through cosmic time.</jats:p>

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