Flux Density of Cassiopeia-A at 3.0 Megacycles per Second

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Science  15 Dec 1967:
Vol. 158, Issue 3807, pp. 1449-1450
DOI: 10.1126/science.158.3807.1449


The flux density of Cassiopeia-A was measured at 3.0 megacycles per second by an interferometer alternately responding to the power in the ordinary and extraordinary modes. The flux indicates attenuation in the path between the source and the solar system by the ionized hydrogen clouds.