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- Title
A database of circumstellar OH masers update.
- Authors
Engels, Dieter; López-Martí, Belen
- Abstract
The database of circumstellar OH masers by Engels & Bunzel (2015) was updated to include new 1612, 1665, and 1667 MHz OH maser observations published between 2015 and 2022. A cross-correlation of the database was made with infrared catalogues (AllWISE and 2MASS) and with GAIA DR3. This led frequently to significantly improved coordinates and identified contaminations with non-stellar sources. About 40% of all OH maser-detected stars were not detected by GAIA. These are mostly representatives of the population of highly obscured stars at the end of AGB or at the beginning of post-AGB evolution.
- Subjects
ENGELS, Friedrich, 1820-1895; MASERS; DATABASES; ASYMPTOTIC giant branch stars; CIRCUMSTELLAR matter
- Publication
Proceedings of the International Astronomical Union, 2022, Vol 18, Issue S380, p368
- ISSN
1743-9213
- Publication type
Article
- DOI
10.1017/S1743921323002533