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- Title
The loss of OH maser emission in the early stage of Post-AGB evolution.
- Authors
Etoka, S.; Engels, D.; Ullrich, T.; González, J.B.; López-Martí, B.
- Abstract
Based on the results of an on-going monitoring program of 1612 MHz OH masers in OH/IR stars, we determined a lifetime encompassing late AGB and early post-AGB evolution of at least 4500 years. Fading of the OH masers observed with the Nançay Radio Telescope is detected in several post-AGB OH/IR stars on timescales of decades, while AllWISE/NEOWISE light curves taken almost in parallel show diverse behaviours.
- Subjects
MASERS; RADIO telescopes; LIGHT curves; STELLAR evolution; ASYMPTOTIC giant branch stars
- Publication
Proceedings of the International Astronomical Union, 2022, Vol 18, Issue S380, p371
- ISSN
1743-9213
- Publication type
Article
- DOI
10.1017/S1743921323002004