Abstract
We review some of the recent water maser proper motion measurements in star-forming regions performed through VLBI multi-epoch observations. These observations are starting to reveal exciting perspectives, providing the full kinematics of the gas within the outflows/circumstellar disks around YSOs at scales of AUs, discovering new phenomena (e.g., isotropic mass ejections, water maser “micro-structures” exhibiting remarkable coherent and well ordered spatio-kinematical behavior at AU scale), and opening new, puzzling questions related to the early stellar evolution.
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Torrelles, J.M., Patel, N., Gómez, J.F. et al. Vlbi Water Maser Proper Motion Measurements in Star-Forming Regions. Astrophys Space Sci 295, 53–63 (2005). https://doi.org/10.1007/s10509-005-3659-0
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DOI: https://doi.org/10.1007/s10509-005-3659-0