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Filter

The SCUSS u filter is similar to the SDSS u band. The below link is the SCUSS u filter response in ASCII, where the 3rd column includes the filter transmission, CCD efficiency and atmospheric extinction at airmass of 1.3.

SCUSS filter response [download]

Fig.0 Response curves of the SCUSS u and SDSS u filters. Both curves include the atmospheric extinction at an airmass of 1.3 and normalized to their maximums. See the technical paper (Hu Zou et al. 2015)

The Telescope

The South Galactic Cap U-band Sky Survey is an international cooperative project between National Astronomical Observatories, Chinese Academy of Sciences and Steward Observatory, University of Arizona, USA. We plan to use the Bok 90-inch telescope of the Steward Observatory.


Fig.1 The Bok Dome on Kitt Peak



Fig.2 The Bok 90 Inch Telescope



Fig.3 The Bok Observational Room

The CCD Camera


Fig.4 Michael is working in the CCD Lab



Fig.5 The New CCD in Lab



Fig.6 ITL Cold Prober testing U-Band Survey CCDs



Fig.7 Prober display



Fig.8 The New 4k × 4k CCD Mosaic. The filed of view is 1.0316 deg × 1.0770 deg



Fig.9 The dithered 3 × 3 Pointing Array



Fig.10 Good STA2900 CCD for 90Prime ĘC from ITL Cold Probe Station .


The Guider Camera and Filters


Fig.11 Guider camera being evaluated for 90Prime upgrade.



Fig.12 The Filters for the 90Prime






Copyright Steward Observatory, University of Arizona and National Astronomical Observatories, Chinese Academy of Sciences, 2009, All rights reserved.