The Second Data Release of the Beijing-Arizona Sky Survey

Hu Zou, Tianmeng Zhang, Zhimin Zhou, Xiyan Peng, Jundan Nie, Xu Zhou, Xiaohui Fan, Linhua Jiang, Ian McGreer, Arjun Dey, Dongwei Fan, Joseph R. Findlay, Jinhua Gao, Yizhou Gu, Yucheng Guo, Boliang He, Junjie Jin, Xu Kong, Dustin Lang, Fengjie LeiMichael P Lesser, Feng Li, Jun Ma, Xiaolei Meng, Moe Maxwell, Adam D. Myers, Liming Rui, David Schlegel, Fengwu Sun, Hong Wu, Jiali Wang, Qirong Yuan

Research output: Contribution to journalArticle

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Abstract

This paper describes the second data release (DR2) of the Beijing-Arizona Sky Survey (BASS). BASS is an imaging survey covering a 5400 deg2 footprint in the g and r bands using the 2.3 m Bok telescope. DR2 includes the observations through 2017 July obtained by BASS and by the Mayall z-band Legacy Survey (MzLS), which used the 4 m Mayall telescope to observe the same footprint. BASS and MzLS have completed 72% and 76% of their observations. The two surveys will be served for the spectroscopic targeting of the upcoming Dark Energy Spectroscopic Instrument. Both BASS and MzLS data are reduced by the same pipeline. We have updated the basic data reduction and photometric calibrations in DR2. In particular, source detections are performed on stacked images, and photometric measurements are co-added from single-epoch images based on these sources. The median 5σ point-source depths after Galactic extinction corrections are 24.05, 23.61, and 23.10 mag for the g, r, and z bands, respectively. The DR2 data products include stacked images, co-added catalogs, and single-epoch images and catalogs. The BASS website (http://batc.bao.ac.cn/BASS/) provides detailed information and links to download the data.

Original languageEnglish (US)
Article number37
JournalAstrophysical Journal, Supplement Series
Volume237
Issue number2
DOIs
StatePublished - Aug 1 2018

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footprints
catalogs
time measurement
telescopes
data products
websites
data reduction
footprint
dark energy
point sources
extinction
coverings
targeting
point source
calibration
energy

Keywords

  • surveys
  • techniques: image processing
  • techniques: photometric

ASJC Scopus subject areas

  • Astronomy and Astrophysics
  • Space and Planetary Science

Cite this

Zou, H., Zhang, T., Zhou, Z., Peng, X., Nie, J., Zhou, X., ... Yuan, Q. (2018). The Second Data Release of the Beijing-Arizona Sky Survey. Astrophysical Journal, Supplement Series, 237(2), [37]. https://doi.org/10.3847/1538-4365/aad502

The Second Data Release of the Beijing-Arizona Sky Survey. / Zou, Hu; Zhang, Tianmeng; Zhou, Zhimin; Peng, Xiyan; Nie, Jundan; Zhou, Xu; Fan, Xiaohui; Jiang, Linhua; McGreer, Ian; Dey, Arjun; Fan, Dongwei; Findlay, Joseph R.; Gao, Jinhua; Gu, Yizhou; Guo, Yucheng; He, Boliang; Jin, Junjie; Kong, Xu; Lang, Dustin; Lei, Fengjie; Lesser, Michael P; Li, Feng; Ma, Jun; Meng, Xiaolei; Maxwell, Moe; Myers, Adam D.; Rui, Liming; Schlegel, David; Sun, Fengwu; Wu, Hong; Wang, Jiali; Yuan, Qirong.

In: Astrophysical Journal, Supplement Series, Vol. 237, No. 2, 37, 01.08.2018.

Research output: Contribution to journalArticle

Zou, H, Zhang, T, Zhou, Z, Peng, X, Nie, J, Zhou, X, Fan, X, Jiang, L, McGreer, I, Dey, A, Fan, D, Findlay, JR, Gao, J, Gu, Y, Guo, Y, He, B, Jin, J, Kong, X, Lang, D, Lei, F, Lesser, MP, Li, F, Ma, J, Meng, X, Maxwell, M, Myers, AD, Rui, L, Schlegel, D, Sun, F, Wu, H, Wang, J & Yuan, Q 2018, 'The Second Data Release of the Beijing-Arizona Sky Survey', Astrophysical Journal, Supplement Series, vol. 237, no. 2, 37. https://doi.org/10.3847/1538-4365/aad502
Zou, Hu ; Zhang, Tianmeng ; Zhou, Zhimin ; Peng, Xiyan ; Nie, Jundan ; Zhou, Xu ; Fan, Xiaohui ; Jiang, Linhua ; McGreer, Ian ; Dey, Arjun ; Fan, Dongwei ; Findlay, Joseph R. ; Gao, Jinhua ; Gu, Yizhou ; Guo, Yucheng ; He, Boliang ; Jin, Junjie ; Kong, Xu ; Lang, Dustin ; Lei, Fengjie ; Lesser, Michael P ; Li, Feng ; Ma, Jun ; Meng, Xiaolei ; Maxwell, Moe ; Myers, Adam D. ; Rui, Liming ; Schlegel, David ; Sun, Fengwu ; Wu, Hong ; Wang, Jiali ; Yuan, Qirong. / The Second Data Release of the Beijing-Arizona Sky Survey. In: Astrophysical Journal, Supplement Series. 2018 ; Vol. 237, No. 2.
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