Provided by: gnuastro_0.5-1_amd64 
NAME
Fits - view and manipulate FITS headers
SYNOPSIS
astfits [OPTION...] ASTRdata
DESCRIPTION
Fits is part of GNU Astronomy Utilities 0.5. Fits allows you to view and manipulate (add, delete, or
modify) FITS extensions (or HDUs) and FITS header keywords within one extension.
For more information, please run any of the following commands. In particular the second contains a very
comprehensive explanation of Fits's invocation: expected input(s), output(s), and a full description of
all the options.
All options and their values:
$ astfits -P
Inputs/Outputs and options:
$ info astfits
Full section in manual/book:
$ info Fits
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
Fits options:
Input:
-h, --hdu=STR/INT
Extension name or number of input data.
Output:
-K, --keepinputdir
Keep input directory for automatic output.
-o, --output=STR
Output file name (only for writing HDUs).
HDUs (extensions):
-C, --copy=STR
Copy extension to output file.
-k, --cut=STR
Copy extension to output and remove from input.
-R, --remove=STR
Remove extension from input file.
Keywords (in one HDU):
-a, --asis=STR
Write the argument string as is into the header.
-c, --comment=STR
Add COMMENT keyword, any length is ok.
-d, --delete=STR
Delete a keyword from the header.
-H, --history=STR
Add HISTORY keyword, any length is ok.
-p, --printallkeys
Print all keywords in the selected HDU.
-r, --rename=STR
Rename keyword, keeping value and comments.
-t, --date
Set the DATE keyword to the current time.
-u, --update=STR
Update a keyword value or comments.
-w, --write=STR
Write a keyword (with value, comments and units).
Operating modes:
-?, --help
give this help list
--cite BibTeX citation for this program.
--config=STR
Read configuration file STR immediately.
--lastconfig
Do not parse any more configuration files.
--onlyversion=STR
Only run if the program version is STR.
-P, --printparams
Print parameter values to be used and abort.
-q, --quiet
Only report errors, remain quiet about steps.
-Q, --quitonerror
Quit if there is an error on any action.
-S, --setdirconf
Set default values for this directory and abort.
--usage
give a short usage message
-U, --setusrconf
Set default values for this user and abort.
-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 © 2015-2017, 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 Mohammad Akhlaghi
SEE ALSO
The full documentation for Fits is maintained as a Texinfo manual. If the info and Fits programs are
properly installed at your site, the command
info Fits
should give you access to the complete manual.