• ASCAPUB - The UK ASCA Public Data Archive. This is the "main" ASCA database at LEDAS. It contains a record of all data from the ASCA mission that are available from the LEDAS archive. The listing includes only data released for public use following its proprietary period. Users wishing to download actual ASCA data files must use this table.

• ASCAAO - ASCA Proposals. The ASCAAO database contains the listing of accepted proposals as well as targets from the PV phase. Please note that not all listed targets were observed.

• ASCALOG - ASCA Observation Log. The ASCALOG database contains the ASCA observations log for phases IT (instrument turn-on), PV (performance verification), and AO1, AO2, etc. (guest Investigator observations carried out under the various announcements of opportunity).

• ASCAMASTER - ASCA Master Observation Log. The ASCAMASTER table contains data on ASCA observations that are in any of the following states: 'Accepted', 'Scheduled Long-Term', 'Scheduled Short-Term', 'Processed', and 'Archived', i.e., it contains both past, current, scheduled future, and potential future observations.

• ASCASIS - ASCA SIS Source Catalog. This preliminary ASCA SIS Source Catalog contains a list of point sources detected by the Solid-state Imaging Spectrometers (SIS) on-board the ASCA Observatory.

For more details, see the DBHELP for each table.