table of contents
| QUERY(1) | User Commands | QUERY(1) |
NAME¶
query - query remote data servers and download
SYNOPSIS¶
astquery [OPTION...] DATABASE
DESCRIPTION¶
query is part of GNU Astronomy Utilities 0.19. query is just a place holder used as a minimal set of files and functions necessary for a program in Gnuastro. It can be used for learning or as a template to build new programs.
For more information, please run any of the following commands. In particular the second contains a very comprehensive explanation of query's invocation: expected input(s), output(s), and a full description of all the options.
- All options and their values:
- $ astquery -P
- Inputs/Outputs and options:
- $ info astquery
- Full section in manual/book:
- $ info query
- 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
query options:
- Input:
- --ccol=STR,STR
- Coordinate (RA, Dec) column names in dataset.
- -h, --hdu=STR/INT
- Extension name or number of input data.
- -L, --limitinfo=STR
- Only retrieve dataset info. with this string.
- -Q, --query=STR
- The raw query as a simple string.
- -v, --overlapwith=FITS
- Set query region to overlap with this image.
- Output:
- --dry-run
- Only print the download command, don't run it.
- -D, --dontdelete
- Don't delete output if it exists.
- -i, --information
- Print database or dataset information.
- -k, --keeprawdownload
- Don't delete raw downloaded file.
- -K, --keepinputdir
- Keep input directory for automatic output.
- -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').
- Generate query internally (not compatible with '--query'):
- -b, --noblank=STR[,STR]
- No rows with blank value in given column(s).
- -c, --column=STR
- Column names to download from catalog.
- -C, --center=FLT,FLT
- Center coords. to select by region in sky.
- -g, --range=STR,FLT:FLT
- Range of selected targets in given column.
- -H, --head=INT
- Only download given number of top rows.
- -r, --radius=FLT
- Radius around --center to select targets.
- --sort=STR[,STR]
- Sort based on values of given columns.
- -s, --dataset=STR
- Name of dataset in database.
- -w, --width=FLT[,FLT]
- Width of box around --center to select targets.
- 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.
- --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.
- -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
SEE ALSO¶
The full documentation for query is maintained as a Texinfo manual. If the info and query programs are properly installed at your site, the command
- info query
should give you access to the complete manual.
| October 2022 | GNU Astronomy Utilities 0.19 |