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### B.4.2 Examples

Here are some examples of `cone`:

    stilts cone serviceurl=http://gaia.ari.uni-heidelberg.de/cone/search
                lon=56.75 lat=24.12 radius=0.8
                out=pleiades.fits

  Queries the ARI-Gaia cone search service for sources within 0.8 of the given sky position, and writes the result to a file.

    stilts cone serviceurl=http://gaia.ari.uni-heidelberg.de/cone/search
                lon=56.75 lat=24.12 radius=0.8
                verb=1
                ocmd='sorthead 10 phot_g_mean_mag'
                ocmd='keepcols "source_id ra dec phot_g_mean_mag"'

  This does the same basic query as the previous example, but post-processes the result so that a limited amount of data (source identifier, position and magnitude) for only the ten brightest sources is written to the console. Since most of the columns are discarded, we specify `verb=1` which indicates to the service that only a minimal column set is required in the query result.

    stilts -verbose
           cone servicetype=ssa serviceurl='http://archive.eso.org/ssap'
                lon=0 lat=90 radius=1.0 skysys=galactic
                omode=count

  Queries the ESO Simple Spectral Access service for spectra within one degree of the northern galactic pole. The `omode=count` parameter means that it just counts the rows and columns and prints the numbers to the console. The `-verbose` flag means that (amongst other things) the full URL that the command used to make the query will be logged to the console.

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Next: coneskymatch: Crossmatches table on sky position against remote cone service
Up: cone: Executes a Cone Search-like query
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STILTS - Starlink Tables Infrastructure Library Tool Set
Starlink User Note256
STILTS web page: http://www.starlink.ac.uk/stilts/
Author email: m.b.taylor@bristol.ac.uk
Mailing list: topcat-user@jiscmail.ac.uk