Comptonization of a seed spectrum
NOTE: This model is now in the Xspec release and this page is superceded by the Xspec manualAn empirical convolution model of Comptonization in which a fraction of the photons in an input seed spectrum is scattered into a power-law component. The model is described in Steiner et al. (2008, in prep), with details related to the XSPEC implementation given in the appendix. It is designed for soft plasmas which are not Compton thick, and Gamma>1. When using this model, it may be necessary to extend the energy grid over which the model is calculated. This can be accomplished using the energies command.
par1 = Gamma, the photon power-law index.
Keith Arnaud, Lab. for High Energy Astrophysics, NASA/Goddard Space Flight Center
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