including files 
XIS0_from20061203_0748to20061203_1957.evlist.gz
XIS0_from20061206_1707to20061207_0000.evlist.gz
XIS0_from20061207_0000to20061208_0000.evlist.gz
XIS0_from20061208_0000to20061208_1148.evlist.gz
XIS0_from20061209_0000to20061209_0518.evlist.gz
There are 0 pixels with more than 175 events in 17203 frames in the cal source region.