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SPLASH-SXDF Multi-wavelength Photometric Catalog

Author(s): Mehta, Vihang; Scarlata, Claudia; Capak, Peter; Davidzon, Iary; Faisst, Andreas; et al

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Abstract: We present a multi-wavelength catalog in the Subaru/XMM-Newton Deep Field (SXDF)as part of the Spitzer 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 u-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 deg2, with ∼800,000 objects in the 2.4 deg2 HSC-Ultra-Deep coverage. Using the available spectroscopic redshifts from various surveys over the range of 0<z<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.
Publication Date: 9-Apr-2018
Electronic Publication Date: Apr-2018
Citation: Mehta, Vihang, Scarlata, Claudia, Capak, Peter, Davidzon, Iary, Faisst, Andreas, Hsieh, Bau Ching, Ilbert, Olivier, Jarvis, Matt, Laigle, Clotilde, Phillips, John, Silverman, John, Strauss, Michael A, Tanaka, Masayuki, Bowler, Rebecca, Coupon, Jean, Foucaud, Sébastien, Hemmati, Shoubaneh, Masters, Daniel, McCracken, Henry Joy, Mobasher, Bahram, Ouchi, Masami, Shibuya, Takatoshi, Wang, Wei-Hao. (2018). SPLASH-SXDF Multi-wavelength Photometric Catalog. \apjs, 235 (36 - 36. doi:10.3847/1538-4365/aab60c
DOI: doi:10.3847/1538-4365/aab60c
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Type of Material: Journal Article
Journal/Proceeding Title: Astrophysical Journal Supplement Series
Version: Final published version. Article is made available in OAR by the publisher's permission or policy.

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