Maser emission during post-AGB evolution
J.-F. Desmurs
TL;DR
This paper reviews recent observational findings of maser emissions in post-AGB objects, focusing on water fountain sources and specific prototypical sources, highlighting their role in stellar evolution transition phases.
Contribution
It provides a comprehensive summary of recent maser observations in post-AGB objects, emphasizing water fountain sources and their significance in stellar evolution.
Findings
Identification of key maser species in post-AGB objects
Characterization of water fountain sources as transition phase markers
Summary of observational techniques and key results
Abstract
This contribution reviews recent observational results concerning astronomical masers toward post-AGB objects with a special attention to water fountain sources and the prototypical source OH231.8+4.2. These sources represent a short transition phase in the evolution between circumstellar envelopes around asymptotic giant branch stars and planetary nebulae. The main masing species are considered and key results are summarized.
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