Some further comments on approximations of the radial dependence of the electron temperature in two-fluid models of the solar wind

In a previous paper (Cosmic Electrodyn.3, 116) we had suggested the use of the radialr −2/5 dependence rather than the often usedr −2/7 one in approximations of the electronic temperature profile in some two-fluid models. This note is intended to clarify and restate some points on this subject.