astscript-psf-subtract(1)

Subtract a given PSF model from the image of star

Section 1 gnuastro bookworm source

Description

ASTSCRIPT-PSF-SUBTRACT

NAME

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

SYNOPSIS

astscript-psf-subtract [OPTION] FITS-files

DESCRIPTION

This script is part of GNU Astronomy Utilities 0.19.

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 © 2020-2022 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