We thank the staff of the UKST Observatory providing such excellent plate material which was the basis of this discovery. The APM is a national astronomy facility financed by the Particle Physics and Astronomy Research Council. For the spectrum, MI and RI acknowledge the use of SAAO facilities. This research has made use of the SIMBAD database, Strasbourg. A.S. was supported by the DFG grant 1053/8-1. We thank F. Allard and P.H. Hauschildt for providing the model spectra.
© European Southern Observatory (ESO) 1999
Online publication: April 28, 1999