Beijing-Arizona Sky Survey (BASS)

Welcome to BASS

BASS news on Steward website (30. Jul 2016, Zou Hu)

Article at

The BASS Survey Completes Year 1 The Beijing-Arizona Sky Survey (BASS) just completed its first official season of operations …

Jellyfish Nebula: a SuperNova Remnant (15. Jan 2016, Zou Hu)

The seeing on the night of Jan. 13, 2016 is very good. But the weather is not stable. After midnight, …

The Beijing-Arizona Sky Survey (BASS) is an ambitious wide-field multicolor survey of 5000 deg2 of the Northern Galactic Cap using the 90prime imager on the 2.3m Bok Telescope at Kitt Peak, as a three to four-year collaboration between the Chinese team led by NAOC and the US team led by Steward Observatory, University of Arizona. The survey will use 240 nights, covering SDSS g and r bands, reaching limiting AB magnitude of 24.0 and 23.6 (5σ), respectively. The survey will follow the successful SCUSS mode with strong participations and support from both China and US teams and produce high level science products for the general astronomical community. The survey data will allow effective target selection for the DESI dark energy spectroscopic survey project in the survey area.

Survey Overview of the BASS survey

Instruments Telescope, camera, and technical documents

Observation Tiling strategy, operating telescope and observations

Data Weather, images, and data pipeline

Gallery imaging gallery

Meeting Meeting, workshop, and related meeting outside BASS

Science Policies and scientific projects

Organization BASS organization

Collaboration BASS collaborations

Timeline Milestones, timelines, and some historic records

Contact BASS contacts

Ticket Issues about the telescope, camera, observation, data reduction etc.

NewTicket Create new tickets

DataRelease BASS Data Release

News News reported (or submit news) in BASS wiki site


Whatever level of the BASS data you used, we hope you add the following acknowledgement in your paper.

The BASS is a collaborative program between the National Astronomical Observatories of Chinese Academy of Science and Steward Observatory of the University of Arizona. It is a key project of the Telescope Access Program (TAP), which has been funded by the National Astronomical Observatories of China, the Chinese Academy of Sciences (the Strategic Priority Research Program “The Emergence of Cosmological Structures” Grant No. XDB09000000), and the Special Fund for Astronomy from the Ministry of Finance. The BASS is also supported by the External Cooperation Program of Chinese Academy of Sciences (Grant No. 114A11KYSB20160057) and Chinese National Natural Science Foundation (Grant No. 11433005). The BASS data release is based on the Chinese Virtual Observatory (China-VO).

The follow papers should be cited as appropriate if you use the BASS data:

  • The project overview of Beijing-Arizona Sky Survey [Hu Zou et al. in preparation]
  • The first data release of Beijing-Arizona Sky Survey [Hu Zou et al. in preparation]


:!:To whom are to register in this wiki site: For public access, only the home page can be seen. You need to register first and then approved by the administrator who will check whether you are a member of BASS or collaborator. Only approved users can access other contents on this wiki site.


  • 2017.01 BASS DR1 was released
  • 2015.12.25 BASS EDR data were released
  • 2015.12.02 97 nights for BASS 2016 observations are scheduled (mostly dark nights)
  • 2015.01.09 First BASS run from Jan. 09 to Jan. 18 2015
  • 2014.11.09 The z-band survey will be carried out by the 4m Mayall telescope with red MOSAIC camera
  • 2014.09.19 Approved Conditional funding support from TAP KP
  • 2014.07.18 BASS proposal to TAP Key Project

home.txt · Last modified: 2017/02/14 16:03 by Zou Hu
CC Attribution-Share Alike 3.0 Unported
Powered by PHP Driven by DokuWiki Recent changes RSS feed Valid CSS Valid XHTML 1.0 Valid HTML5