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CCD Detectors

The description of CCD reductions is divided into four parts. Section B.1.1 describes the ideas behind the relative calibration of 2-dimensional photometric CCD-images.

Section B.1.3 gives a description of the steps required to perform a relative calibration of the CCD and discusses the various MIDAS commands that are available to perform the required operations. Section B.1.9 provides some examples of typical reduction scenarios. Section B.1.10 is a summary of the relevant commands.

The procedures described in the manual will yield CCD-frames whose pixel values represent relative flux from one to the other. In order to proceed to calibrate the images in terms of magnitudes requires further steps not detailed here.


Petra Nass