Fan-beam Observations of Radio Sources at 21 cm Wavelength

Abstract

The compound interferometer at Fleurs, N.S.W., has been used in observations of eight of the strongest radio sources, with a fan beam 1'· 53 wide at a wavelength of 21· 1 cm. Each of the sources was scanned from west to east; the brightness distributions in this direction have been observed, and the positions of the sources in right ascension have been determined with high absolute accuracy (probable error less than 1 s of time).