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The table names to use in the query form of Fig. 43, are summarized in Table 10. The URL for the query is then: https://vo.astron.nl/apertif_dr1/q/{Table name}/form (e.g. http://dop457vo.astronastro.nl:5555/apertif_dr1/q/apertif_dr1_continuum_images/form}.
It is possible to query all the available dataproducts at once by using the table ivoa.obscore and by appending to the ADQL statement “where obs_collection=” it is possible to limit the search to the apertif_dr1 only.
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Table names to be used in the ADQL query.
Table name | obscore type | obscore subtype |
|---|---|---|
apertif_dr1.continuum_images | image | continuum |
apertif_dr1.pol_cubes | cube | polarization cube |
apertif_dr1.spectral_cubes | cube | spectral cube |
apertif_dr1.beam_cubes | cube | dirty beam |
Access via TOPCAT
The Apertif DR1 data collection tables can be accessed using TOPCAT, an interactive graphical viewer and editor for tabular data. The data can be sent from vo.astron.nl to TOPCAT using one of the two protocols: SAMP or TAP. The two subsections below provide a description on how to access the tabular data using either SAMP(link to Send via SAMP subsection) or TAP(link to VO Table Access Protocol (TAP) subsection).
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