South galactic cap u-Band sky survey (SCUSS): Data reduction

Hu Zou; Zhaoji Jiang; Xu Zhou; Zhenyu Wu; Jun Ma; Xiaohui Fan; Zhou Fan; Boliang He; Yipeng Jing; Michael Lesser; Cheng Li; Jundan Nie; Shiyin Shen; Jiali Wang; Tianmeng Zhang; Zhimin Zhou

doi:10.1088/0004-6256/150/4/104

South galactic cap u-Band sky survey (SCUSS): Data reduction

Hu Zou, Zhaoji Jiang, Xu Zhou, Zhenyu Wu, Jun Ma, Xiaohui Fan, Zhou Fan, Boliang He, Yipeng Jing, Michael Lesser, Cheng Li, Jundan Nie, Shiyin Shen, Jiali Wang, Tianmeng Zhang, Zhimin Zhou

Research output: Contribution to journal › Article › peer-review

21 Scopus citations

Abstract

The South Galactic Cap u-band Sky Survey (SCUSS) is a deep u-band imaging survey in the Southern Galactic Cap, using the 90Prime wide-field imager on the 2.3 Bok telescope at Kitt Peak. The survey observations started in 2010 and ended in 2013. The final survey area is about 5000 deg² with a median 5σ point source limiting magnitude of ∼23.2. This paper describes the survey data reduction process, which includes basic imaging processing, astrometric and photometric calibrations, image stacking, and photometric measurements. Survey photometry is performed on objects detected both on SCUSS u-band images and in the SDSS database. Automatic, aperture, point-spread function (PSF), and model magnitudes are measured on stacked images. Co-added aperture, PSF, and model magnitudes are derived from measurements on single-epoch images. We also present comparisons of the SCUSS photometric catalog with those of the SDSS and Canada-France-Hawaii Telescope Legacy surveys.

Original language	English (US)
Article number	104
Journal	Astronomical Journal
Volume	150
Issue number	4
DOIs	https://doi.org/10.1088/0004-6256/150/4/104
State	Published - Oct 1 2015

Keywords

catalogs
surveys
techniques: image processing
techniques: photometric

ASJC Scopus subject areas

Astronomy and Astrophysics
Space and Planetary Science

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South galactic cap u-Band sky survey (SCUSS) : Data reduction. / Zou, Hu; Jiang, Zhaoji; Zhou, Xu; Wu, Zhenyu; Ma, Jun; Fan, Xiaohui; Fan, Zhou; He, Boliang; Jing, Yipeng; Lesser, Michael; Li, Cheng; Nie, Jundan; Shen, Shiyin; Wang, Jiali; Zhang, Tianmeng; Zhou, Zhimin.

In: Astronomical Journal, Vol. 150, No. 4, 104, 01.10.2015.

Research output: Contribution to journal › Article › peer-review

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abstract = "The South Galactic Cap u-band Sky Survey (SCUSS) is a deep u-band imaging survey in the Southern Galactic Cap, using the 90Prime wide-field imager on the 2.3 Bok telescope at Kitt Peak. The survey observations started in 2010 and ended in 2013. The final survey area is about 5000 deg2 with a median 5σ point source limiting magnitude of ∼23.2. This paper describes the survey data reduction process, which includes basic imaging processing, astrometric and photometric calibrations, image stacking, and photometric measurements. Survey photometry is performed on objects detected both on SCUSS u-band images and in the SDSS database. Automatic, aperture, point-spread function (PSF), and model magnitudes are measured on stacked images. Co-added aperture, PSF, and model magnitudes are derived from measurements on single-epoch images. We also present comparisons of the SCUSS photometric catalog with those of the SDSS and Canada-France-Hawaii Telescope Legacy surveys.",

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author = "Hu Zou and Zhaoji Jiang and Xu Zhou and Zhenyu Wu and Jun Ma and Xiaohui Fan and Zhou Fan and Boliang He and Yipeng Jing and Michael Lesser and Cheng Li and Jundan Nie and Shiyin Shen and Jiali Wang and Tianmeng Zhang and Zhimin Zhou",

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AU - Zou, Hu

AU - Jiang, Zhaoji

AU - Zhou, Xu

AU - Wu, Zhenyu

AU - Ma, Jun

AU - Fan, Xiaohui

AU - Fan, Zhou

AU - He, Boliang

AU - Jing, Yipeng

AU - Lesser, Michael

AU - Li, Cheng

AU - Nie, Jundan

AU - Shen, Shiyin

AU - Wang, Jiali

AU - Zhang, Tianmeng

AU - Zhou, Zhimin

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KW - techniques: photometric

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South galactic cap u-Band sky survey (SCUSS): Data reduction

Abstract

Keywords

ASJC Scopus subject areas

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