ESASky Legacy TAP Service
IVOA Table Access Protocol (TAP) service providing access to ESA legacy mission archives including Hipparcos (~118,000 stars with milliarcsecond accuracy, 42 data products across 59 tables), Cos-B gamma-ray observations (252 high-level products across six energy ranges), and CoRoT exoplanet/asteroseismology data (177,382 faint-star observations and 171 bright-star light curves). Supports ADQL queries and DataLink services.