The features of the SkyMapper wide-field camera, designed and built at RSAA, include:
- 32 4k x 2k CCDs
- shack-hartmann feed
- cooled with closed cycle cryogenic system
- 6 filter slots
- StarGrasp controller for CCD readout
- 2.34° x 2.40° field of view.
- 20s readout
- 5e- readnoise
- 125,000e- full well
- linearity to 0.5%
- QE > 60% (400-850nm), QE > 20% (300-950nm)
Shutter Accuracy: 1% on 1 second exposure
Filter Exchange time: 20s
The figure below shows the expected throughput of the instrument plus detectors not including atmospheric extinction compared to the Sloan Digital Sky Survey instrumentation (black curve).