# Model of the absorption due to carbon on ACIS
#    Energy (keV)   Transmission
      0.17713786      1.00000
      0.28295115      1.00000
      0.28303123     0.996201
      0.28896875     0.274091
      0.28905230     0.270482
      0.30061611     0.312738
      0.31796211     0.374434
      0.33357505     0.427090
      0.34907011     0.475960
      0.36499821     0.522356
      0.38171468     0.566789
      0.39955113     0.609525
      0.41878084     0.650535
      0.43956830     0.689492
      0.46252550     0.726774
      0.48801281     0.762081
      0.51674194     0.795441
      0.54936688     0.826580
      0.58708875     0.855512
      0.63117190     0.881979
      0.68382031     0.905964
      0.74887662     0.927568
      0.83106891     0.946471
      0.93884323     0.962559
       1.0893792     0.975870
       1.3181253     0.986306
       1.7205156     0.993819
       2.6843662     0.998369
       12.320930     0.999983