838 22/09/2009 JEM-X1 JEM-X1 JEM-X1:Xe XeEvolution XeHistograms JEMX1:AverageGain JEM-X1:temperature JEM-X1:EventRates 838 4/10/2009 JEM-X1 JEM-X1 JEM-X1:Xe XeEvolution XeHistograms JEMX1:AverageGain JEM-X1:temperature JEM-X1:EventRates ICgainHistoryTable