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The loss of OH maser emission in the early stage of Post-AGB evolution

Etoka, S. ; Engels, D. ; Ullrich, T. ; González, J. B. LU orcid and López-Martí, B. (2022) In Proceedings of the International Astronomical Union 18. p.371-373
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.

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author
; ; ; and
organization
publishing date
type
Contribution to journal
publication status
published
subject
keywords
infrared: stars, masers, star: evolution, stars: AGB and post-AGB
in
Proceedings of the International Astronomical Union
volume
18
pages
3 pages
publisher
Cambridge University Press
external identifiers
  • scopus:85185780525
ISSN
1743-9213
DOI
10.1017/S1743921323002004
language
English
LU publication?
yes
id
8b5a09f1-4f7b-4d43-a4d9-30fc1755ec3c
date added to LUP
2024-03-18 16:19:02
date last changed
2025-04-16 01:23:39
@article{8b5a09f1-4f7b-4d43-a4d9-30fc1755ec3c,
  abstract     = {{<p>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.</p>}},
  author       = {{Etoka, S. and Engels, D. and Ullrich, T. and González, J. B. and López-Martí, B.}},
  issn         = {{1743-9213}},
  keywords     = {{infrared: stars; masers; star: evolution; stars: AGB and post-AGB}},
  language     = {{eng}},
  pages        = {{371--373}},
  publisher    = {{Cambridge University Press}},
  series       = {{Proceedings of the International Astronomical Union}},
  title        = {{The loss of OH maser emission in the early stage of Post-AGB evolution}},
  url          = {{http://dx.doi.org/10.1017/S1743921323002004}},
  doi          = {{10.1017/S1743921323002004}},
  volume       = {{18}},
  year         = {{2022}},
}