The Evolution of the Kinematics of Nebular Shells in Planetary Nebulae in the Milky Way Bulge

M. G. Richer, J. A. López, Ma. -T. García-Díaz +3

We study the line widths in the [\ion{O}{3}]$\lambda$5007 and H$\alpha$ lines for two groups of planetary nebulae in the Milky Way bulge based upon spectroscopy obtained at the Observatorio A…