Institut für Astronomie und Astrophysik Abteilung Astronomie Sand 1, D-72076 Tübingen, Germany
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Preprint 17/02

SUBDWARF B STARS IN HW VIR SYSTEMS

Sonja L. Schuh (1)

(1) Institut für Astronomie und Astrophysik, Astronomie, Universität Tübingen, Sand 1, D-72076 Tübingen, Germany

In: Observing with the VLT Interferomenter, EAS Publication Series 6, 287, eds. G. Perrin and F. Malbet (2003)

Abstract. Subdwarf B stars (sdB) dominate the populations of faint blue stars and are found in both the old disk (field sdBs) and halo populations (globular cluster members) of our own Galaxy. The origin of sdB stars remains largely a puzzle, but evidence is accumulating that close binary evolution is fundamental to the problem. With interferometric methods, we expect to detect and learn about close cool companions to derive further insight in the evolution of sdB stars.

Key words: -

Paper (30k gzip'ed Postscript including figures)

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