Abstract
OBSBRVATIONS made previously at Jodrell Bank with long base-line interferometers1 have indicated that a small percentage of 384 sources examined with these interferometers have angular sizes of less than 1.0 sec of arc. Six were found to have fringe visibilities (γ) > 0.8 for transit observations with an east–west base-line of 61,100 wave-lengths.
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References
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ANDERSON, B., DONALDSON, W., PALMER, H. et al. Observations of the Quasi-stellar and Other Radio Sources with an Interferometer of Resolving Power 0.4 sec of Arc. Nature 205, 375–376 (1965). https://doi.org/10.1038/205375a0
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DOI: https://doi.org/10.1038/205375a0
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