The HI Column Density Distribution of the Galactic Disk and Halo

David M. French, Andrew J. Fox, Bart P. Wakker +8

We present a census of neutral gas in the Milky Way disk and halo down to limiting column densities of $N$(HI)$\sim 10^{14}$ cm${}^{-2}$ using measurements of HI Lyman-series absorpti…