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Paper: Annual Parallax Measurements of Mira-Type Variables with Phase-Referencing VLBA Observation
Volume: 340, Future Directions in High Resolution Astronomy: The 10th Anniversary of the VLBA
Page: 471
Authors: Kurayama, T.; Kobayashi, H.; Sasao, T.
Abstract: We have measured an annual parallax of water masers around a Mira-type variable, UX Cyg, 0.8 ± 0.1 mas with phase-referencing VLBI observations. This parallax needs for the establishment of period-luminosity relation of Miras, which is a cosmic distance scale.
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