Cone search of catalogues provided by Virtual Observatory.
munipack cone [.. options ..] [--] RA DEC munipack cone [--list-catalogues | --list-servers]
Search a selected catalogue provided by Virtual observatory interface (VO-capable cone search) with following features:
Negative coordinates starts with minus sign which can be recognised, by the parsing routine, as an option or a switch. To prevent the confusion, we must separate options and parameters by double-dash [--]. Than recognition of the coordinates will work as expected.
A typical message when the problem is occurred:
$ munipack cone 245.9 -26.5 Unknown option '26' Usage: munipack cone ...
And can be easy solved as
$ munipack cone -- 245.9 -26.5
Central Virtual Observatory catalogue site (VizieR) is maintained by Centre de Données astronomiques de Strasbourg and provided as a VizieR service. The service is mirrored by other sites. The option --service offers possibility to select an appropriate mirror.
Sometimes connection can not be established on first attempt or a network connection is down, in this case, the connection will be repeated for a while.
On input, no files are expected. Virtual Observatory is connected via network.
On output, results of the cone search are saved to a file.
Some servers supports additional parameters for search, output form and etc. For instance, there is a way how to limit magnitudes in V filter for stars brighter than eleven:
munipack cone --par 'Vmag=<11' -- 245.9 -26.5
Additional info can be found in VizieR query documentation.
See Common options for input/output filenames.
The list of available catalogues is limited. Another required catalogue can be added by this way:
munipack cone --id 'J/A+A/544/A31' -r 1 -- 104 -16
Search GSC catalogue within Pleiades (α = 92.4°, δ = 24.1°) with cone radius of 0.2°:
$ munipack cone -c GSC -r 0.2 92.4 24.1
Cone search for negative coordinates needs separate parameters and options with double-dash:
$ munipack cone -c UCAC5 -r 0.2 -- 245.9 -26.5
Virtual Observatory, Common options, vizquery documentation.