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The Wolter telescope designer (WTD): a user-friendly web facility for the design of x-ray multishell telescopes

The design of a Wolter X-ray telescope takes into account the geometrical dimensioning of the shells and the choice of the coating for each of them. In this work we present a user-friendly web interface aimed to the design of multishell Wolter telescopes and to the calculation of their effective area. The application is available at http://heawww.harvard.edu/WTD/. An example is presented.