astmatch(1)

match catalogs by 1D or 2D positions

Section 1 gnuastro bookworm source

Description

MATCH

NAME

Match - match catalogs by 1D or 2D positions

SYNOPSIS

astmatch [OPTION...] ASTRdata

DESCRIPTION

Match is part of GNU Astronomy Utilities 0.19. 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.

-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.

--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 © 2015-2022 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