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CCD-Commands Summary

Table B.1 lists the available CCD reduction commands.

 
Table B.1: CCD Reduction Commands
Command Function
AVERAGE par1-par3 computes average of images
AVERAGE/WEIGHT par1-par3 computes average using normalized images
AVERAGE/WIN par1-par6 average of images using only consistent pixel values
BIAS/CCD value catalog Subtracts a bias value
COMPUTE/IMAGE General image arithmetic
COMPUTE/WEIGHT Computes weighting factors for the average functions AVERAGE/WINDOW and AVERAGE/WEIGHT
EXTRACT/CCD catalog Removes irrelevant columns
MODIFY/COL par1-par3 adjusts low-sensitivity CCD-columns
MODIFY/ROW par1-par2 adjusts low-sensitivity rows
MODIFY/PIXEL par1-par5 replaces areas with a surface
MODIFY/SKY par1-par5 computes a constant sky-background
 

=1 =5 =1990


next up previous contents
Next: CES Up: CCD Detectors Previous: A Case with some
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1999-06-15