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Paper: From the AGB to the PN Phase with the Plateau de Bure Interferometer
Volume: 313, Asymmetrical Planetary Nebulae III
Page: 314
Authors: Castro-Carrizo, A.; Neri, R.; Winters, J.M.
Abstract: In order to understand the origin of the asymmetries and substructures observed in planetary nebulae, it is necessary to improve our knowledge on their progenitors, the circumstellar envelopes (CSEs) of asymptotic giant branch (AGB) stars and proto-planetary nebulae (PPNe). These nebulae are mainly composed of cool molecular gas and therefore they are accessible to mm-observations. The Plateau de Bure interferometer has played an important role in the advance of our understanding of these objects in the last 10 yr.
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