2000AJ....120.2471H

A survey of H I line emission in the Galactic plane from Galactic longitude l=72°.2 to 149°. 0, and latitude b=-5°.4 to 7°.2, has been made using the 26-m Telescope at the Dominion Radio Astrophysical Observatory. Spectra were observed at 0°.2 intervals of longitude and latitude, providing a survey which is fully sampled in the spatial domain. A detailed study of the antenna characteristics of the telescope allowed the correction of the spectra for stray radiation. The spectral resolution is 1.32 km.s^–1, and the LSR velocity range is -260 to 161 km.s^–1. The final spectra have an estimated T_b scaling accuracy of 1% and an estimated rms noise in one channel (0.8245 km.s^–1) of 0.25 K. A region of suspected strong H I self-absorption at l∼92°, b∼3°, has been identified. Comparison with spectra from the Leiden/Dwingeloo Survey is used to estimate the overall accuracy of the stray radiation corrections. This comparison also shows that a small percentage (∼1%) of the spectra in the latter survey suffer from calibration errors exceeding 10%. A table of positions of the more discordant spectra is given.