B[e] stars: pre- versus post-main sequence evolution

Details B[e] stars: pre- versus post-main sequence evolution B[e] stars: pre- versus post-main sequence evolution

Feb 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010rmxac..38...69k&link_type=abstract

The Interferometric View on Hot Stars (Eds. Th. Rivinius & M. Curé) Revista Mexicana de Astronomía y Astrofísica (Serie de Confe

Astronomy and Astrophysics

Astronomy

Circumstellar Matter, Stars: Early-Type, Stars: Mass Loss, Stars: Winds, Outflows

Scientific paper

The classification of numerous Galactic B[e] stars is hampered by uncertain or unknown stellar parameters. In addition, Herbig B[e] stars and B[e] supergiants, both surrounded by dusty disks, show many spectroscopic similarities. We use the ^{12}C/^{13}C ratio, which drops drastically during stellar evolution, and show that the appearance of ^{13}CO band emission is an unambiguous proof for a supergiant nature.

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