Project overview of the Beijing-Arizona sky survey

Hu Zou, Xu Zhou, Xiaohui Fan, Tianmeng Zhang, Zhimin Zhou, Jundan Nie, Xiyan Peng, Ian McGreer, Linhua Jiang, Arjun Dey, Dongwei Fan, Boliang He, Zhaoji Jiang, Dustin Lang, Michael Lesser, Jun Ma, Shude Mao, David Schlegel, Jiali Wang

Research output: Contribution to journalArticlepeer-review

101 Scopus citations


The Beijing-Arizona Sky Survey (BASS) is a wide-field two-band photometric survey of the northern Galactic Cap using the 90Prime imager on the 2.3 m Bok telescope at Kitt Peak. It is a four-year collaboration between the National Astronomical Observatory of China and Steward Observatory, the University of Arizona, serving as one of the three imaging surveys to provide photometric input catalogs for target selection of the Dark Energy Spectroscopic Instrument (DESI) project. BASS will take up to 240 dark/gray nights to cover an area of about 5400 deg2 in the g and r bands. The 5σ limiting AB magnitudes for point sources in the two bands, corrected for the Galactic extinction, are 24.0 and 23.4 mag, respectively. BASS, together with other DESI imaging surveys, will provide unique science opportunities that cover a wide astronomy.

Original languageEnglish (US)
Article number064101
JournalPublications of the Astronomical Society of the Pacific
Issue number976
StatePublished - Jun 1 2017


  • Methods: observational - Surveys Online material: color figures

ASJC Scopus subject areas

  • Astronomy and Astrophysics
  • Space and Planetary Science


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