Laboratory Test of CCD #1 in BOAO

Astronomy and Astrophysics – Astronomy

Scientific paper

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Instrumentation-Ccds

Scientific paper

An introduction to the first CCD camera system in Bohyunsan Optical Astronomy Observatory (CCD#1) is presented. The CCD camera adopts modular dewar design of IfA(Institute for Astronomy at Hawaii University) and SDSU(San Diego State University) general purpose CCD controller. The user interface is based on IfA design of easy-to-use GUI program running on the NeXT workstation. The characteristics of the CCD#1 including Gain, Charge Transfer Efficiency, rms Read-Out Noise, Linearity and Dynamic range is tested and discussed. The CCD#1 shows 6.4 electrons RON and gain of 3.49 electrons per ADU, and the optimization resulted in about 27 seconds readout time guaranteeing charge transfer efficiency of 0.99999 for both directions. Linearity test shows that non-linear coefficient is 6e-7 in the range of 0 to 30,000 ADU.

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