**************************************************************************** From: shaks@cfa237.harvard.edu (Jonathan Schachter) Message-Id: <9502271808.AA14619@cfa237.harvard.edu> To: scientists@cfa237.harvard.edu Cc: msgs@cfa237.harvard.edu, students@cfa237.harvard.edu, postdocs@cfa237.harvard.edu Subject: xstar (photoionization code) Date: Mon, 27 Feb 95 13:08:02 EST i've installed XSTAR (version 1.09), a photoionization code written by Kallman and Krolik, in /proj/oscar/xstar. a subdirectory contains a detailed manual. it's most appropriate to photoionization-dominated plasmas (as opposed to Raymond-Smith collisionally dominated ones). it calculates the ionization balance, temperature, opacities, and emitted flux (lines + continuum). to quote the manual, "XSTAR is well suited for modelling X-ray spectra, the physics of X-ray heating and cooling, and highly ionized gases." jon ****************************************************************************