First fringe with the Waseda FFT radio telescope

Details First fringe with the Waseda FFT radio telescope First fringe with the Waseda FFT radio telescope

Jun 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992pasj...44l..35n&link_type=abstract

Astronomical Society of Japan, Publications (ISSN 0004-6264), vol. 44, no. 3, 1992, p. L35-L38. Research supported by Toray Scie

Astronomy and Astrophysics

Astronomy

8

Cassegrain Antennas, Diffraction Patterns, Fast Fourier Transformations, Noise Temperature, Radio Interferometers, Radio Telescopes, Radio Astronomy, Radio Sources (Astronomy)

Scientific paper

A sixty-four-element FFT type radio interferometer has been constructed at Waseda University. Using 2 elements, fringe observations of radio sources were started. During observations of 1991 November 10-20, the fringes of Cas A and Tau A were detected. The performance of the radio telescope, which includes backend digital processors, have been confirmed by switching observations. Each element is a 2.4-m diameter Cassegrain antenna with a receiver of 200 K noise temperature. The purpose of the telescope is to survey transient radio sources.

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