astheader(1) · carta

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 [email protected].

COPYRIGHT