TapJ is a tools to query astronomical data using directly ADQL* on various data centres via TAP* service.
Supported data centres:
- GACS/Gaia
- VizieR
Rather than using some helper functions to select data, like in Astroquery, you pass the completed ADQL string to either Synchronous or Asynchronous job.
*ADQL: Astronomical Data Query Language
*TAP: Table Access Protocol