SIMULATE /MODEL

          IMAGER\SIMULATE /MODEL ModelFile [Declination]

      Specify the name of the (2D or 3D) model sky brightness.  The  declination
    is  taken  from the ModelFile unless a new source Declination (in degree) is
    specified.

      The ModelFile data units should be brightness (in K,  or  Jy/beam  with  a
    known beam size, or Jy/pixel).