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atable:  tabulated additive model

An additive table model component. The filename to be used must be given immediately after atable in the  model command. For example


model  atable{mymod.mod}


uses mymod.mod as the input for the model. For specifications of the table  model file, see the OGIP memo 92-009 on the FITS file format for table model  files (available on the WWW or by anonymous ftp from . Example additive table model files are mekal.mod and raysmith.mod in   $HEADAS/../spectral/modelData and testpo.mod  in   $HEADAS/../spectral/session.

Any number of tabulated model components (additive, multiplicative or exponential) may be used simultaneously.