G. J. Madsen

TL;DR: A review of observations and models of the diffuse ionized gas that permeates the disk and halo of our Galaxy and others was presented during an afternoon scientific session of the 65th birthday celebration for Professor Carl Heiles held at Arecibo Observatory in August 2004 as mentioned in this paper.

TL;DR: In this paper, the vertical magnetic field of the Milky Way toward the Galactic poles was determined from observations of Faraday rotation toward more than 1000 polarized extragalactic radio sources at Galactic latitudes using the Westerbork Radio Synthesis Telescope and the Australia Telescope Compact Array.

TL;DR: In this paper, the vertical magnetic field of the Milky Way towards the Galactic poles was determined from observations of Faraday rotation toward more than 1000 polarized extragalactic radio sources at Galactic latitudes > 77 degs, using the Westerbork Radio Synthesis Telescope and the Australia Telescope Compact Array.

TL;DR: The Wisconsin H-Alpha Mapper (WHAM) as mentioned in this paper has completed a one-degree resolution, velocity-resolved northern sky survey of H-alpha emission from our Galaxy.

TL;DR: In this article, the authors present a study of the line-of-sight magnetic fields in five large-diameter Galactic H II regions using the Faraday rotation of background polarized radio sources, as well as dust-corrected H{alpha} surface brightness as a probe of electron density.