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Registration of H2O and SiO masers in the Calabash Nebula, to confirm the Planetary Nebula paradigm
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AbstractWe 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.
Cambridge University Press (CUP)
Title: Registration of H2O and SiO masers in the Calabash Nebula, to confirm the Planetary Nebula paradigm
Description:
AbstractWe 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.
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