3 years ago

The First Data Release of the Beijing-Arizona Sky Survey.

Ian McGreer, Yucheng Guo, Zheng Cai, Qian Yang, Dongwei Fan, Jiali Wang, Boliang He, David Schlegel, Dustin Lang, Jun Ma, Zefeng Li, Hu Zou, Arjun Dey, Zhimin Zhou, Jundan Nie, Zhaoji Jiang, Tianmeng Zhang, Xu Zhou, Xiaohui Fan, Yali Shao, Jin Wu, Linhua Jiang, Shu Wang, Xiaohan Wu, Minghao Yue, Michael Lesser, Shude Mao, Xiyan Peng

The Beijing-Arizona Sky Survey (BASS) is a new wide-field legacy imaging survey in the northern Galactic cap using the 2.3m Bok telescope. The survey will cover about 5400 deg$^2$ in the $g$ and $r$ bands, and the expected 5$\sigma$ depths (corrected for the Galactic extinction) in the two bands are 24.0 and 23.4 mag, respectively. BASS started observations in January 2015, and has completed about 41% of the whole area as of July 2016. The first data release contains both calibrated images and photometric catalogs obtained in 2015 and 2016. The depths of single-epoch images in the two bands are 23.4 and 22.9 mag, and the full depths of three epochs are about 24.1 and 23.5 mag, respectively.

Publisher URL: http://arxiv.org/abs/1702.03854

DOI: arXiv:1702.03854v3

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