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.
Original language | English |
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Pages (from-to) | 371-373 |
Number of pages | 3 |
Journal | Proceedings of the International Astronomical Union |
Volume | 18 |
Issue number | S380 |
DOIs | |
Publication status | Published - 7 Feb 2024 |
Keywords
- masers
- infrared: stars
- stars: AGB and post-AGB
- star: evolution