Diffuse Ionized Gas in Spiral Galaxies: Probing Photon Leakage from HII Regions?

Annette M. N. Ferguson, Rosemary F. G. Wyse, J. S. Gallagher +1

As part of a large study to map the distribution of star formation across galactic disks, we have obtained deep Halpha images of the nearby Sculptor Group spirals NGC 247 and NGC 7…