Characteristic initial data for a star orbiting a black hole

Nigel T. Bishop, Roberto Gómez, Luis Lehner, Manoj Maharaj, and Jeffrey Winicour Department of Mathematical Sciences, University of South Africa, P.O. Box 392, Pretoria 0003, South Africa Pittsburgh Supercomputing Center, 4400 Fifth Avenue, Pittsburgh, Pennsylvania 15213, USA Department of Physics and Astronomy, University of Pittsburgh, Pittsburgh, Pennsylvania 15260, USA Department of Physics and Astronomy, Louisiana State University, Baton Rouge, Louisiana 70810, USA School of Information Systems and Technology, University of KwaZulu-Natal, South Africa Albert Einstein Institute, Max Planck Gesellschaft, Am Mühlenberg 1, D-14476 Golm, Germany (Received 23 November 2004; published 5 July 2005)