MOPEX Online Manual
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APEX QA Modules
The APEX QA script performs a subtraction of the detected point sources from the input images or mosaic, depending on whether it is being run in conjunction with apex.pl or apex_1frame.pl. It is invaluable for testing the results of PRF-fitting. The apex_qa.pl script has only one module that can be called (see section 3 below).
1. Multiframe Residual Image Creation (apex_qa.pl)
Residual image creation for use with the output of apex.pl is run on the command line using the syntax below. Note: When running APEX QA in conjunction with apex.pl, this script must also be supplied with a Mosaic namelist in order to run properly and create the residual mosaic (option -u).
prompt> apex_qa.pl <option flag> <specification>
where <option flag> may be: -n, -u, -E, -I, -m, -p, -S, -d, -M, -R, -F, -O, any one of which, if specified, must be followed by a blank space and a corresponding specification, as given in the following table. More than one option flag (with corresponding specification) can be included, and they can be given in any order. The only option that must be called from the command line is the namelist; the other input files can be defined as parameters within the namelist. As with the apex.pl script, default locations for all of the files except for the namelist file can be overridden by providing the full path name. See the page on Input for more information on the input and namelist files.
| Option Flag | Specification File (example) | Default Location | Required/Optional |
|---|---|---|---|
| -n | namelist for creating residual images (apex_qa.nl) | ./cdf/ | required |
| -u | namelist for mosaicking of residual images (mosaic_qa.nl) | ./cdf/ | required |
| -E | point source list from apex.pl (extract.tbl) | ./ | required |
| -I | list of input images (ImageList.txt) | ./ | required |
| -m | PRF map (PRFmap.tbl) | ./cal/ | either a PRF map or a PRF image is required |
| -p | PRF image (PRF.fits) | ./cal/ | either a PRF map of a PRF image is required |
| -S | list of input uncertainty images (SigmaList.txt) | ./ | optional |
| -d | list of DCE status mask images (IMaskList.txt) | ./ | optional |
| -M | permanently damaged pixel mask image (pmask.fits) | ./cal/ | optional |
| -R | list of outlier mask images (RMaskList.txt) | ./ | optional |
| -F | Fiducial Image Frame file (FIF.tbl) | ./<output directory>/ | optional |
| -O | Output directory | ./ | optional |
2. Single Frame Residual Image Creation (apex_qa.pl)
Residual image creation for use in conjunction with apex_1frame.pl is run on the command line as follows:
prompt> apex_qa.pl <option flag> <specification>
where <option flag> may be: -n, -T, -E, -P, -F, -O, any one of which, if specified, must be followed by a blank space and a corresponding specification, as given in the following table. More than one option flag (with corresponding specification) can be included, and they can be given in any order. The only option that must be called from the command line is the namelist; the other input files can be defined as parameters within the namelist. As with the apex_1frame.pl script, default locations for all of the files except for the namelist file can be overridden by providing the full path name. See the page on Input for more information on the input and namelist files.
| Option Flag | Specification File (example) | Default Location | Required/Optional |
|---|---|---|---|
| -n | namelist for creating residual images (apex_qa.nl) | ./cdf/ | required |
| -T | input image (mosaic.fits) | ./ | required |
| -E | point source list from apex_1frame.pl (extract.tbl) | ./ | required |
| -P | mosaic PRF image (PRF.fits) | ./cal/ | required |
| -F | Fiducial Image Frame file (FIF.tbl) | ./<output directory>/ | optional |
| -O | Output directory | ./ | optional |
3. Module Listing
- Point Source Subtract (the module is called pointsourceimage in the MOPEX code)
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