D. Crnojević, (1), E. K. Grebel (1), A. A. Cole (2), A. Koch (3), M. Rejkuba (4), G. Da Costa (5), H. Jerjen (5) ((1) Astronomisches Rechen-Institut, Zentrum fuer Astronomie der Universitaet Heidelberg, Germany, (2) School of Mathematics & Physics, University of Tasmania, Australia, (3) Department of Physics and Astronomy, University of Leicester, UK, (4) European Southern Observatory, Garching, Germany, (5) Research School of Astronomy & Astrophysics, Institute of Advanced Studies, Australian National University, Australia)
