XMM-Newton Science Analysis System . epframes (epframes-8.87.1) [xmmsas_20080701_1801-8.0.0] . Meta Index . This task reformats the EPIC ODF PN events list into the file format required by subsequent off-line analysis. epframes converts frame numbers to event specific time tags. It determines invalid events and frames and creates corresponding GTI files per CCD. In addition, epframes appends the CCD specific exposure extension to the output event list. ... Event attributes . ...