Fig. 1
H2O maser profile observed towards IRAS 15480-0344 with the GBT on April 7, 2012. Channel spacing is 0.3 km s-1. The vertical line marks the recessional velocity of the galaxy. The horizontal lines indicates the velocity ranges covered by the two IFs in the VLBA observation. The velocity scale is with respect to the heliocentric frame and uses the optical convention.
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