ivo://astron.nl/__system__/tap/columnsASTRONASTRONhttps://www.astron.nl/sites/default/files/styles/Logo-footer.png2021-02-22T22:05:19Michael Sipior

Oude Hoogeveensedijk 4, 7991PD Dwingeloo, the Netherlands

vo@astron.nlVirtual observatoryCatalogsADQLColumns in tables available for ADQL querying.https://vo.astron.nl/tableinfo/tap_schema.columnsRadiotap_schema The VO @ ASTRON's Table Access Protocol (TAP) service with table metadata.tap_schema.columnsColumns in tables available for ADQL querying.table_nameFully qualified table namecharindexedprimarycolumn_nameColumn namecharindexedprimarydescriptionBrief description of columnunicodeCharnullableunitUnit in VO standard formatcharnullableucdUCD of column if anycharnullableutypeUtype of column if anycharnullabledatatypeADQL datatypecharnullablearraysizeArraysize in VOTable notationcharnullablextypeVOTable extended type information (for special interpretation of data content, e.g., timestamps or points)charnullable"size"Legacy length (ignore if you can).intnullableprincipalIs column principal?intindexedIs there an index on this column?intstdIs this a standard column?intsourcerdId of the originating rd (local information)charnullablecolumn_index1-based index of the column in database order.shortnullable