First Results of Radio Star Observations Using the Method of Aperture Synthesis

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Abstract
Four surveys, centred on declinations of 52°, 50°, 42° and 05°, have been made at a wave-length of 1.7 m with a large interferometric radio telescope employing the new technique of aperture synthesis. Details of the observational method, calibration, data-reduction and analysis of the computed results are given. An assessment of the performance of the system shows that accurate measurements of the positions and flux densities of radio stars may be extended to limits well beyond those of any previous survey. Lists of sources are given for declinations between 52° and 50° and between 40° and 44°. Observations at 05° were made to study the distribution of radio stars outside the galactic plane; no evidence is found for a population of radio stars in the galactic halo.

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