... Two sources of bad pixels are considered here: . ... A few months later, the user may note that the applicable bad pixels file (listed in the calibration index file generated by cifbuild ) has changed. bad pixels files; those may be obtained from the merged events list by running emeventsproj and embadpixfind for MOS, or badpixfind for PN, with user-defined settings and energy or time selection. ... Another possibility is to take the BADPIXnn tables from another events list. ...