The ArVO Byurakan's TAP end point. The Table Access Protocol (TAP) lets you execute queries against our database tables, inspect various metadata, and upload your own data. It is thus the VO's premier way to access public data holdings. Tables exposed through this endpoint include: columns, groups, key_columns, keys, schemas, tables from the tap_schema schema, main from the dfbsplates schema, spectra, ssa from the dfbsspec schema, obscore from the ivoa schema.