NAME

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

SYNOPSIS

astscript-psf-subtract [OPTION] FITS-files

DESCRIPTION

This script is part of GNU Astronomy Utilities 0.23.

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

astscript-psf-subtract options:

: 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/

REPORTING BUGS

Report bugs to bug-gnuastro@gnu.org.

COPYRIGHT

Copyright © 2020-2024 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.