Summary: A&A manuscript no.
(will be inserted by hand later)
Your thesaurus codes are:
06 (08.06.3; 08.19.2)
The classification of heliumrich hot subdwarfs ?
C.S.Jeffery 1 , J.S.Drilling 2 , P.M.Harrison 3 , U.Heber 4 , and S.Moehler 4;5;6
1 Armagh Observatory, College Hill, Armagh BT61 9DG, Northern Ireland
2 Dept. of Physics and Astronomy, Louisiana State University, Baton Rouge, Louisiana 70803, USA
3 School of Physics & Astronomy, University of St Andrews, Fife KY16 9SS, Scotland
4 Dr.Remeis Sternwarte, Universitšat ErlangenNšurnberg, Bamberg D96049, Germany
5 Landessternwarte, Kšonigstuhl, D69117 Heidelberg, Germany
6 Space Telescope Science Institute, 3700 San Martin Drive, Baltimore, MD 21218, USA
Received . . . , 1997; accepted . . .
Abstract. Spectroscopy has been obtained of 23 sublumi
nous stars, twenty of which had been classified as ``helium
rich subdwarf B stars'' from 10 A resolution spectra. From