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ASTSCRIPT-PSF-SUBTRACT(1) User Commands ASTSCRIPT-PSF-SUBTRACT(1)

astscript-psf-subtract - Subtract a given PSF model from the image of star

astscript-psf-subtract [OPTION] FITS-files

This script is part of GNU Astronomy Utilities 0.17.

This script will place the given PSF image into a certain central position with the image and subtract it.

For more information, please run any of the following commands. In particular the first contains a very comprehensive explanation of this script's invocation: expected input(s), output(s), and a full description of all the options.

Inputs/Outputs and options:
$ info astscript-psf-subtract
Full Gnuastro manual/book:
$ info gnuastro

If you couldn't find your answer in the manual, you can get direct help from experienced Gnuastro users and developers. For more information, please run:

$ info help-gnuastro

Input:
-h, --hdu=STR
HDU/extension of all input FITS files.
-p, --psf=STR
PSF FITS image.
-P, --psfhdu=STR
HDU/extension of the PSF image.
-O, --mode=STR
Coordinates mode ('wcs' or 'img').
-c, --center=FLT,FLT
Center coordinates of the object.
-s, --scale=FLT
Factor by which the PSF is multiplied.
Output:
-o, --output
Output table with the radial profile.
-t, --tmpdir
Directory to keep temporary files.
-k, --keeptmp
Keep temporal/auxiliar files.
-m, --modelonly
Give the model as output (don't subtract it).
Operating mode:
-?, --help
Print this help list.
--cite
BibTeX citation for this program.
-q, --quiet
Don't print any extra information in stdout.
-V, --version
Print program version.

Mandatory or optional arguments to long options are also mandatory or optional for any corresponding short options.

GNU Astronomy Utilities home page: http://www.gnu.org/software/gnuastro/

Report bugs to bug-gnuastro@gnu.org.

Copyright © 2020-2022 Free Software Foundation, Inc. License GPLv3+: GNU General public license version 3 or later.
This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law.

Written/developed by Raul Infante-Sainz

The full documentation for astscript-psf-subtract is maintained as a Texinfo manual. If the info and astscript-psf-subtract programs are properly installed at your site, the command
info astscript-psf-subtract

should give you access to the complete manual.

March 2022 GNU Astronomy Utilities 0.17

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