Man page - astmatch(1)

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Manual

MATCH

NAME
SYNOPSIS
DESCRIPTION
REPORTING BUGS
COPYRIGHT
SEE ALSO

NAME

Match - match catalogs by 1D or 2D positions

SYNOPSIS

astmatch [ OPTION ...] ASTRdata

DESCRIPTION

Match is part of GNU Astronomy Utilities 0.23. Match matches catalogs of objects and (by default) will return the re-arranged matching inputs. The optional log file will return low-level information about the match (indexs and distances).

For more information, please run any of the following commands. In particular the second contains a very comprehensive explanation of Match’s invocation: expected input(s), output(s), and a full description of all the options.
All options and their values:

$ astmatch -P

Inputs/Outputs and options:

$ info astmatch

Full section in manual/book:

$ info Match

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

Match options:

Input:

-h , --hdu = STR /INT

Extension name or number of first input.

-H , --hdu2 = STR /INT

Extension name or number of second input.

-I , --ignorecase

Ignore case in matching/searching columns.

--searchin = STR

Select column(s): ’name’, ’unit’, ’comment’.

--stdintimeout = INT

Micro-seconds to wait for standard input.

Output:

-D , --dontdelete

Don’t delete output if it exists.

-K , --keepinputdir

Keep input directory for automatic output.

-l , --logasoutput

No rearranging of inputs, output is log file

--notmatched

Output is rows that don’t match.

--outcols = STR

Out cols in CSV, ’a’: first, ’b’: second input.

--outfitsnocommit

No Git commit in 0-th HDU of output FITS.

--outfitsnoconfig

No metadata in 0-th HDU of output FITS.

--outfitsnodate

No ’DATE’ in 0-th HDU of output FITS.

--outfitsnoversions

No versions in 0-th HDU of output FITS.

-o , --output = STR

Output file name.

--tableformat = STR

Table fmt: ’fits-ascii’, ’fits-binary’, ’txt’.

--wcslinearmatrix = STR

WCS linear matrix of output (’pc’ or ’cd’).

Catalog matching

-a , --aperture = FLT[ ,...]

Acceptable aperture for matching.

-c , --ccol1 = STR[ ,STR]

Column name/number of first catalog.

-C , --ccol2 = STR[ ,STR]

Column name/number of second catalog.

-d , --coord = FLT[ ,FLT]

Manually input coordiantes.

--kdtreehdu = STR

HDU of k-d tree when --kdtree = FILE .fits.

-k , --kdtree = STR

build, internal, disable, CUSTOM-FITS-FILE.

Operating modes:

-?, --help

give this help list

--checkconfig

List all config files and variables read.

--cite

BibTeX citation for this program.

--config = STR

Read configuration file STR immediately.

--config-prefix = STR

Custom prefix of option names config files.

--lastconfig

Do not parse any more configuration files.

--log

Information about output(s) in a log file.

--minmapsize = INT

Min. bytes to avoid RAM automatically.

-N , --numthreads = INT

Number of CPU threads to use.

--onlyversion = STR

Only run if the program version is STR.

-P , --printparams

Print parameter values to be used and abort.

--quietmmap

Don’t print mmap’d file’s name and size.

-q , --quiet

Only report errors, remain quiet about steps.

-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 © 2015-2024 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 Match is maintained as a Texinfo manual. If the info and Match programs are properly installed at your site, the command

info Match

should give you access to the complete manual.