Widely distributed errors have considerable scope for wasting observatory time.
Comment:
The basic idea behind the article, that is using common proper data to identify possible binary stars, is sound.
Unfortunately the methods used to identify potential candidates are fatally flawed relying as they do on the ratios of the proper motions of the two components rather than on the difference between the two values.
It is believed that the author now accepts that at least 1/3rd of the pairs listed are totally spurious.
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