query - query remote data servers and download
astquery [
OPTION...]
DATABASE
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/
Report bugs to
[email protected].
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
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.