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Leicester Database and Archive Service
 
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GINGALAC
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GINGALOG
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Downtime expected shortly as all LEDAS services are moved to a new server.

Ginga Databases at LEDAS

The following Ginga databases are currently held by the LEDAS:
  • GINGALAC - LAC Products Database. The GINGALAC database contains a summary of the Ginga target observations with the large area counter (LAC). It has associated data products files, including reduced data cubes, light curves and spectra. It is the recommended route to Ginga data for inexperienced Ginga users.
  • GINGABGD - LAC Background Observations. The GINGABGD database contains a summary of the contents of the Ginga pointed observations of (nominally empty) background fields. It too has associated data products files, and is another valuable resource for quick Ginga data reductions.
  • GINGAFRF - FRF Log. The GINGAFRF database contains a summary of the contents of the raw First Reduction Files (FRFs). The database is a conversion of the Ginga kiroku (or log sheets) provided by ISAS. The raw data files in HDS format are available using this table.
  • GINGALOG - LAC Observation Log. The GINGALOG database contains selected information from the LAC. It is the the most basic log file available (as compared to GINGAMODE, see below). GINGALOG is a subset of the same LAC dump file used to create GINGAMODE; GINGALOG contains a listing only whenever the `ACS monitor` changes.
  • GINGAMODE - LAC Mode. The GINGAMODE database also contains selected information from the LAC. Each entry is the first record of a series of observations having the same values of the following: `BITRATE`, `LACMODE`, `DISCRIMINATORS`, or `ACS MONITOR`. When any of these changes, a new record is written.

  • GINGARAW - LAC Raw Data. The GINGARAW database gives access to the low-level GINGA LAC data as FITS format files. Data received from Ginga were stored in First Reduction Files (FRFs) which mirror the telemetry stream from the satellite. The FITS Ginga data are the FRF files converted into FITS format from their native format (ADP grant, PI Corbet, at Penn State).

For more details, see the database help for each table.

 
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