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

NAME
     astscript-psf-unite - Unite the outer and inner regions of the PSF

SYNOPSIS
     astscript-psf-unite [OPTION] FITS-files

DESCRIPTION
     This script is part of GNU Astronomy Utilities 0.24.

     This script will consider two different PSF images to join them into a sin-
     gle  one.	It  is intendeed to generate a single PSF by combining different
     PSF regions (inner and outer).

     For more information, please run any of the following commands. In particu-
     lar 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-unite

     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-unite options:
	    Input:

     -h, --hdu=STR
	    HDU/extension of all input FITS files.

     -i, --inner=STR
	    Inner PSF FITS image.

     -I, --innerhdu=STR
	    HDU/extension of the inner PSF image.

     -r, --radius=FLT
	    Radius at which the junction is done (in pixels).

     -s, --scale=FLT
	    Factor by which the inner PSF is multiplied.

     -Q, --axis-ratio=FLT
	    Axis ratio for ellipse maskprofile (A/B).

     -p, --position-angle=FLT Position angle for ellipse mask profile.

	    Output:

     -o, --output
	    Output table with the radial profile.

     -t, --tmpdir
	    Directory to keep temporary files.

     -k, --keeptmp
	    Keep temporal/auxiliar files.

	    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 op-
     tional 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 (C) 2020-2025 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

SEE ALSO
     The  full	documentation for astscript-psf-unite is maintained as a Texinfo
     manual.  If the info and  astscript-psf-unite  programs  are  properly  in-
     stalled at your site, the command

	    info astscript-psf-unite

     should give you access to the complete manual.

GNU Astronomy Utilities 0.24	  November 2025 	  ASTSCRIPT-PSF-UNITE(1)

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<https://man.freebsd.org/cgi/man.cgi?query=astscript-psf-unite&sektion=1&manpath=FreeBSD+Ports+15.1.quarterly>

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