Astron. Astrophys. 323, L17-L20 (1997)

Acknowledgements

We thank the staff and the operators of the observatories for their efficient help, and in particular A. Barcia, I. Lopez-Fernandez (Yebes) and M. Torres (IRAM) for their efforts with the VLBI instrumentation. H. Ungerechts provided flux density measurements and A. Kraus helped with the calibration. For their support at the correlator we thank W. Alef and U. Stursberg. S. Doeleman helped us using the incoherent fringe search method. We thank CNRS-INSU France for providing the Hydrogen Maser, and the Yebes observatory for the terminal for Plateau de Bure. The work of T.P.K. was supported in part by a grant of the BMBF (Verbundforschung).

© European Southern Observatory (ESO) 1997

Online publication: June 5, 1998

helpdesk.link@springer.de