Spatial and kinematic properties of the Bry-line-emitting gas region overlaid to the continuum model for two epochs. The complete sequence is shown in Appendix G. The star is centered on the origin. The black cross and the white circle around it show the position of the continuum photocenter and its uncertainty estimated from the continuum modeling. The red circle represents the extent of the gas-emitting region estimated at the peak of the line emission and centered at about ~0km s^–1. The blue to red colored filled dots show the gas photocenter positions for the five spectral channels across the Bry line corresponding to velocities ranging from-100km s^–1 to +100 km s^–1, as color-coded in Fig. A.3.