Performance of the CFH12K: a 12K by 8K CCD mosaic camera for the CFHT prime focus

Jean-Charles Cuillandre; Gerard Anthony Luppino; Barry Michael Starr; Sidik Isani

doi:10.1117/12.395465

16 August 2000 Performance of the CFH12K: a 12K by 8K CCD mosaic camera for the CFHT prime focus

Jean-Charles Cuillandre, Gerard Anthony Luppino, Barry Michael Starr, Sidik Isani

Proceedings Volume 4008, Optical and IR Telescope Instrumentation and Detectors; (2000) https://doi.org/10.1117/12.395465
Event: Astronomical Telescopes and Instrumentation, 2000, Munich, Germany

Abstract

CFH12K is a 12,228 by 8,192 pixel wide-field imaging camera in operation at the 3.6m Canada-France-Hawaii Telescope (CFHT) since January 1999. It still remains the largest close-packed array in use in astronomy today. The mosaic consists of twelve MIT Lincoln laboratories 2K by 4K thinned backside illuminated CCID-20 devices. The camera is used in broad-band and narrow-band filter direct imaging mode which constrains the devices' operating parameters to ensure the best data quality. Adaptation to the 20-year old CFHT prime focus environment included modifications to reduce the scattered light seen by the camera. Computer facilities have been upgraded and new software has been developed to handle the large amount of data generated. The two terabytes of scientific data taken by the camera in 1999 has proven the success of CFHT's new capability for 42 by 28 square arcminute imaging with high resolution subarcsecond seeing.

Citation Download Citation

Jean-Charles Cuillandre, Gerard Anthony Luppino, Barry Michael Starr, and Sidik Isani "Performance of the CFH12K: a 12K by 8K CCD mosaic camera for the CFHT prime focus", Proc. SPIE 4008, Optical and IR Telescope Instrumentation and Detectors, (16 August 2000); https://doi.org/10.1117/12.395465

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