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The link between barium stars and optically bright post-AGB binaries
Published online by Cambridge University Press: 25 May 2016
Extract
Systematic radial velocity monitoring programs revealed that all optically bright, high-latitude post-AGB stars that show a near-IR excess in their energy distribution are binaries (see the contribution of R. Waters et al. in these proceedings). A standard AGB evolution for the shorter period objects seems, however, impossible since the orbits are too small to accommodate an AGB star! Non-standard phenomena connected to the specific binary nature have to be invoked in order to understand these systems.
- Type
- V. From AGB to Planetary Nebulae
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- Copyright © Kluwer 1997