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Session 17 - The Galactic Interstellar Gas.
Display session, Monday, January 13
Metropolitan Ballroom,
The Dominion Radio Astrophysical Observatory, in collaboration with a consortium of university astronomers, has begun a survey of the atomic hydrogen and radio continuum emission from our Milky Way galaxy. By constructing a mosaic of 186 synthesis fields, the survey will cover the region 75^\circ < l < 145^\circ and -3^\circ < b < +5^\circ, with angular resolution of \sim1'. Within this region the observations will yield an atomic hydrogen cube with 256 channels with velocity resolution of 1.2 km s^-1, Stokes I, Q, U and V continuum images at 1420 MHz and a Stokes I continuum image at 408 MHz.
The DRAO survey is part of an international collaboration to image the Milky Way, at a common resolution, in emission from all major constituents of the interstellar medium; the neutral atomic gas, the molecular gas, the ionized gas, dust and relativistic plasma. For many of these constituents the angular resolution of the images will be more than a factor of 10 better than any previous studies. The aim is to produce a database of high resolution, high-dynamic range images of the Galaxy for multi-phase studies of the physical states and processes in the interstellar medium. We present some preliminary images from the survey project as well as highlights of some initial scientific results.
