ALMA CO(1-0) data for IRAS F10173+0828. Top left: moment-zero map. Top right: spectrum centered on the continuum nucleus. The spectrum is fitted with three Gaussians which we all assign to the host. The black line includes all three Gaussian components. Center left: center positions and their errors, from UV fitting a Gaussian model to individual velocity channels. Center and bottom right: position-velocity diagrams. In the absence of a clear outflow signature or of a clear velocity gradient in the line core, we simply plot two orthogonal directions of which PA +45° follows a velocity gradient on scales of several arcseconds. We conservatively adopt an upper limit for outflow in this source but cannot exclude that part of the line wings to ±300 km s−1 are caused by outflow.
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