This work was supported by the DFG under grant Schw536/1-1 and the DLR (former DARA GmbH) under grants 50 OR 9403 5, 50 OR 9210 1, and 50 OR 9706 8. The ROSAT project is supported by the German Bundesministerium für Bildung, Wissenschaft, Forschung und Technologie (BMBF/DARA) and the Max-Planck-Society.
Braeside Observatory is gratefully supported by the National Science Foundation (AST-9218002), The Research Corporation, and the Fund for Astrophysical Research.
We acknowledge the efforts made at the AIP to revive the 70 cm telescope. The spectrum of Gliese 393 appears courtesy of M.S. Catalán.
© European Southern Observatory (ESO) 1998
Online publication: September 14, 1998