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- Title
Evolution of the outflow traced by water masers in the evolved star IRAS 18043—2116.
- Authors
Uscanga, Lucero; Imai, Hiroshi; Gómez, José F.; Tafoya, Daniel; Orosz, Gabor; McCarthy, Tiege P.; Hamae, Yuhki; Amada, Kei
- Abstract
We present the spectral and spatial evolution of H2O masers associated with IRAS 18043–2116, a well-known water fountain hosting a high-velocity collimated jet, which has been found in the observations with the 45 m telescope of Nobeyama Radio Observatory and the Australia Telescope Compact Array. We found new highest velocity components of the H2O masers, with which the resulting velocity spread of ≃ 540 km s−1 breaks the speed record of fast jets/outflows in this type of sources.
- Subjects
MASERS; FOUNTAINS; RADIO telescopes; ASYMPTOTIC giant branch stars
- Publication
Proceedings of the International Astronomical Union, 2022, Vol 18, Issue S380, p338
- ISSN
1743-9213
- Publication type
Article
- DOI
10.1017/S1743921323002156