Data plotted here are taken from psi processing log (http://acis.mit.edu/acs). There are three plots in each Fep mode:

Top: evnets per second for each science run
Middle: numbers of errors reported by psi per ksec for each science run
Bottom: Percentage of exposures dropped for each science run

For the details, plese go to mit web site.

Plots by Fep Mode

Te3x3 DATA with Dropped Rate > 3 %: Dropped Data

Te5x5 DATA with Dropped Rate > 3 %: Dropped Data

Te3x3 DATA with Event Rate > 180 cnt/sec: High Count Data

Te5x5 DATA with Event Rate > 56 cnt/sec: High Count Data

Te3x3 DATA with Error # > 1 cnt/ksec: High Error Data

Te5x5 DATA with Error # > 1 cnt/ksec: High Error Data