This is a simple workflow designed to run XSTAR with an user selected input. XSTAR is a computer program for calculating the physical conditions and emission spectra of photoionized gases. More information can be found here: - XSTAR home page: http://heasarc.nasa.gov/lheasoft/xstar/xstar.html - XSTAR on the Spinet client (Soaplab2): http://caoba.ivic.ve:8180/soaplab2-axis/