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Registration of H2O and SiO masers in the Calabash Nebula, to confirm the Planetary Nebula paradigm
Published online by Cambridge University Press: 16 July 2018
Abstract
We report on the astrometric registration of VLBI images of the SiO and H2O masers in OH 231.8+4.2, the iconic Proto-Planetary Nebula also known as the Calabash nebula, using the KVN and Source/Frequency Phase Referencing. This, for the first time, robustly confirms the alignment of the SiO masers, close to the AGB star, which drives the bi-lobe structure with the water masers in the out-flow.
- Type
- Contributed Papers
- Information
- Proceedings of the International Astronomical Union , Volume 13 , Symposium S336: Astrophysical Masers: Unlocking the Mysteries of the Universe , September 2017 , pp. 373 - 376
- Copyright
- Copyright © International Astronomical Union 2018