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Fig. 9.
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Comparison of the total sum of the H2O maser spectra detected toward VLA 2 with the EVN in epochs 2014.46, 2016.45, 2018.44, and 2020.82. The vertical dashed dark-green line indicates the assumed systemic velocity of the region (Vlsr = +10.0 km s−1; Shepherd et al. 2003).
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