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Data Products Database

The products databases contain a quality controlled set of processed Ginga data products. All target and background observations taken in MPC1 mode are made available through the GINGALAC and GINGABGD tables respectively. MPC1 mode observations provide full spectral resolution, 16 second time resolution and incorporate over 80% of all Ginga target observations and almost all background observations. The database tables not only provide a summary of the results of each observation, but they provide access to the data products. These include FITS spectra (48 channel, top- and mid-layer separated) and light curves (16 second time resolution), HDS data cubes and the plots produced during the pipeline processing. These products can be used either with the XANADU suite of software, the FTOOLS software package or the Ginga data analysis software.

As with the raw data archive, both data products archives may be accessed through either ARNIE or BROWSE, and data can be selected according to target name, pointing direction, observation date etc. All slots for a given observation have been collected together to form a single dataset, with a single corresponding entry in the database table. The results of a query can be retrieved by clicking on the products links in ARNIE or by using the xp command from within BROWSE. A full description of the database tables is available from both ARNIE and BROWSE, and on the LEDAS Website at: http://www.ledas.ac.uk/ginga/ginga_products.html.

Table 3 is a list of all Ginga databases as of March 2000. An up-to-date list of the Ginga databases currently available at the LEDAS can be found at:
http://www.ledas.ac.uk/ginga/ginga_databases.html.

Table 3: Ginga Database Tables at LEDAS

Database Description
GINGALACProducts database: target observations
GINGALOGObservation log
GINGAFRFRaw event files
GINGABGDProducts database: background observations
GINGAMODELAC mode log



 
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