The South Galactic Cap u-band Sky Survey Catalog
2015-09-15 11:38
2021-07-01 10:17

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 perform a sky survey of about 3700 square degree field of the south Galactic cap in u-band (3550 Å) with the 90 inch (2.3 m) Bok telescope , which belongs to the Steward Observatory, University of Arizona and it is located on the Kitt Peak. The telescope equipped with four 4K × 4K CCD mosaic (64-magapixel) and the field of view is 1.0316 deg × 1.0770 deg. The exposure time is 5 minutes and the limiting magnitude will reach about 23 mag (signal-to-noise = 5).

scuss footprint 
Fig.1 The green area is our u-band Sky Survey region. The black solid line is the Galactic plane and the three stripes are SDSS dr7 observations.

The project started in the summmer of 2009 and the observations are being carried out from September 2010 to December 2012. The main aim is to supply a u-band catalog for LAMOST of China. SDSS III will supply the photometry in g (4100 Å), r (5500 Å), i (6940 Å), z (8470 Å) in the South Galactic cap. Combined with the photometry with these bands and our u-band, we can get the Spectral Energy Distributions (SEDs) of the sources in the south Galactic cap from 3550 Å to 8470 Å.

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