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Session 50 - Interstellar Medium I.
Display session, Thursday, January 08
Exhibit Hall,
The survey of \ionH1 emission from the Galactic plane which is currently underway using the Synthesis Telescope at the Dominion Radio Astrophysical Observatory (DRAO), as a major part of the Canadian Galactic Plane Survey, requires single-dish observations of \ionH1 emission to provide structural information that is missing from the interferometric observations (the so-called ``short spacing'' data). A fast \ionH1 line survey of about 1000 square degrees of the Galactic plane, which will be used for this purpose, is now being carried out using the DRAO 26-m Telescope. This survey of \ionH1 line emission will be fully sampled spatially, yielding nearly 25,000 spectra covering the velocity range of -260 km/s to 160 km/s. The survey covers the Galactic longitude range of 72.2\arcdeg to 149\arcdeg, between Galactic latitudes of -5.4\arcdeg and 7.2\arcdeg. The spectra have 512 channels with a resolution of 1.3 km/s. The survey will be completed in 1997 and the data will then be corrected for the effects of sidelobe contamination. Initial results of the survey will be presented.
