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HEADER(1) User Commands HEADER(1)

NAME

Header - view and manipulate FITS headers

SYNOPSIS

astheader [OPTION...] ASTRdata

DESCRIPTION

Header is part of GNU Astronomy Utilities 0.2.33-8a3b. Header print the header information in any astronomical data fileheader. It can also manipulate (add, remove or modify) any of the existing keywords in a data header.

For more information, please run any of the following commands. They will respectively show you the `Invoking Header' subsection, the complete `Header' section, or the full GNU Astronomy Utilities manual. In particular the first contains a very complete explanation of each option.

info astheader
info Header
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

Header options:

Input:
-h, --hdu=STR
Extension name or number of input data.
Output:
-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.
-D, --dontdelete
Don't delete output if it exists.
-H, --history=STR
Add HISTORY keyword, any length is ok.
-K, --keepinputdir
Do not remove input's dir info for output.
-o, --output=STR
Output file or directory name.
-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 Header.
--nolog
No log file for programs which make one.
-N, --numthreads=INT
Number of CPU threads to use.
--onlydirconf
Only read current directory configuration file.
--onlyversion=STR
Only run if the program version is this.
-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/

AUTHOR

Written by Mohammad Akhlaghi

REPORTING BUGS

Report bugs to bug-gnuastro@gnu.org.

COPYRIGHT

Copyright © 2015-2016, 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.

SEE ALSO

The full documentation for Header is maintained as a Texinfo manual. If the info and Header programs are properly installed at your site, the command
info Header

should give you access to the complete manual.

October 2016 GNU Astronomy Utilities 0.2.33-8a3b