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.\" DO NOT MODIFY THIS FILE! It was generated by help2man 1.49.3.
.TH ASTSCRIPT-PSF-UNITE "1" "November 2025" "GNU Astronomy Utilities 0.24" "User Commands"
.SH NAME
astscript-psf-unite \- Unite the outer and inner regions of the PSF
.SH SYNOPSIS
.B astscript-psf-unite
[\fI\,OPTION\/\fR] \fI\,FITS-files\/\fR
.SH DESCRIPTION
This script is part of GNU Astronomy Utilities 0.24.
.PP
This script will consider two different PSF images to join them into a
single one. It is intendeed to generate a single PSF by combining different
PSF regions (inner and outer).
.PP
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.
.TP
Inputs/Outputs and options:
$ info astscript\-psf\-unite
.TP
Full Gnuastro manual/book:
$ info gnuastro
.PP
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:
.IP
\f(CW$ info help-gnuastro\fR
.SS "astscript-psf-unite options:"
.IP
Input:
.TP
\fB\-h\fR, \fB\-\-hdu\fR=\fI\,STR\/\fR
HDU/extension of all input FITS files.
.TP
\fB\-i\fR, \fB\-\-inner\fR=\fI\,STR\/\fR
Inner PSF FITS image.
.TP
\fB\-I\fR, \fB\-\-innerhdu\fR=\fI\,STR\/\fR
HDU/extension of the inner PSF image.
.TP
\fB\-r\fR, \fB\-\-radius\fR=\fI\,FLT\/\fR
Radius at which the junction is done (in pixels).
.TP
\fB\-s\fR, \fB\-\-scale\fR=\fI\,FLT\/\fR
Factor by which the inner PSF is multiplied.
.TP
\fB\-Q\fR, \fB\-\-axis\-ratio\fR=\fI\,FLT\/\fR
Axis ratio for ellipse maskprofile (A/B).
.HP
\fB\-p\fR, \fB\-\-position\-angle\fR=\fI\,FLT\/\fR Position angle for ellipse mask profile.
.IP
Output:
.TP
\fB\-o\fR, \fB\-\-output\fR
Output table with the radial profile.
.TP
\fB\-t\fR, \fB\-\-tmpdir\fR
Directory to keep temporary files.
.TP
\fB\-k\fR, \fB\-\-keeptmp\fR
Keep temporal/auxiliar files.
.IP
Operating mode:
.TP
\-?, \fB\-\-help\fR
Print this help list.
.TP
\fB\-\-cite\fR
BibTeX citation for this program.
.TP
\fB\-q\fR, \fB\-\-quiet\fR
Don't print any extra information in stdout.
.TP
\fB\-V\fR, \fB\-\-version\fR
Print program version.
.PP
Mandatory or optional arguments to long options are also mandatory or optional
for any corresponding short options.
.PP
GNU Astronomy Utilities home page: http://www.gnu.org/software/gnuastro/
.SH "REPORTING BUGS"
Report bugs to bug\-gnuastro@gnu.org.
.SH COPYRIGHT
Copyright \(co 2020\-2025 Free Software Foundation, Inc.
License GPLv3+: GNU General public license version 3 or later.
.br
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.
.PP
Written/developed by Raul Infante\-Sainz
.SH "SEE ALSO"
The full documentation for
.B astscript-psf-unite
is maintained as a Texinfo manual. If the
.B info
and
.B astscript-psf-unite
programs are properly installed at your site, the command
.IP
.B info astscript-psf-unite
.PP
should give you access to the complete manual.
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