Hostname: page-component-78c5997874-dh8gc Total loading time: 0 Render date: 2024-11-20T06:09:07.112Z Has data issue: false hasContentIssue false

Seven Be stars resolved by optical long-baseline interferometry

Published online by Cambridge University Press:  26 May 2016

A. Quirrenbach*
Affiliation:
NRL/USNO Optical Interferometer Project and USRA

Extract

Core share and HTML view are not available for this content. However, as you have access to this content, a full PDF is available via the ‘Save PDF’ action button.

The recent progress in optical interferometry has made the direct study of the circumstellar matter around Be stars possible. The Hα emission region around γ Cas has been resolved with the I2T (Thom et al. 1986), GI2T (Mourard et al. 1989) and MkIII (Quirrenbach et al. 1993) instruments; the results support the basic picture of a rotating disk-shaped envelope (e.g. Poeckert and Marlborough 1978). Nearly spherical geometries can be ruled out. In this paper, first results from MkIII observations of a small sample of Be stars (see Table I) will be presented.

Type
6. Be Stars: Circumstellar Environment
Copyright
Copyright © Kluwer 1994 

References

Clarke, D.: 1990, A&A 227, 151 Google Scholar
Coté, J., and Waters, L.B.F.M.: 1987, A&A 176, 93 Google Scholar
Dougherty, S.M., and Taylor, A.R.: 1992, Nature 359, 808 Google Scholar
Mourard, D., Bosc, I., Labeyrie, A., Koechlin, L., and Saha, S.: 1989, Nature 342, 520 CrossRefGoogle Scholar
Mozurkewich, D., et al.: 1991, AJ 101, 2207 CrossRefGoogle Scholar
Poeckert, R., Bastien, P., and Landstreet, J.D.: 1979, AJ 84, 812 Google Scholar
Poeckert, R., and Marlborough, J.M.: 1978, ApJ 220, 940 Google Scholar
Quirrenbach, A., et al.: 1993, ApJ , in press Google Scholar
Thom, C., Granes, P., and Vakili, F.: 1986, A&A 165, L13 Google Scholar
Uesugi, A., and Fukuda, I.: 1982, Revised Catalogue of Stellar Rotational Velocities , Kyoto Google Scholar