Chandra X-Ray Observatory
Last modified: 7 September 2018


Abbreviated name for the "event" data product. This name may be followed by a "1", "1a", or "2", depending on the type of product and the type of observation. In all cases, the file consists of a table of events, and their corresponding properties, as measured for that observation. This data product is distributed in the "primary" directory.

For more information, see the event entry, Introduction to the Data Products thread, and the Data Products Guide.

Last modified: 7 September 2018
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