Part of this work was supported by the German Deutsche Forschungsgemeinschaft, DFG project number Ts 17/2-1. We also acknowledge support through the Verbundforschung Astronomie und Astrophysik, contract No. 50 OR 9414 9 for funding the ISO part of the project. The authors acknowledge the service of the Centre de Données astronomiques de Strasbourg , which has made available the Hipparcos Data through the world wide web (http://cdsweb.u-strasbg.fr/cgi-bin/myqcat3?hipparcos). We also acknowledge the service of the IRAS SOFTWARE TELESCOPE (IST) system in Groningen, which made available the IRAS spectra of Cha IRN (mailto:email@example.com).
© European Southern Observatory (ESO) 1998
Online publication: March 30, 1998