Abstract
IT is well known that spectroscopic parallaxes are an index of stellar surface gravity, which in turn is functionally related to the mass and luminosity of a star. If, therefore, there exists a class of stars in which this functional relation differs from that found for the majority of stars, we should expect a lack of agreement of the mean trigonometric, dynamic and spectroscopic parallaxes of these stars.
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References
Russell, H. N., and Moore, C. F., "The Masses of the Stars" (University of Chicago Press, 1940).
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HYNEK, J. Giant Binary Stars and the Mass-Luminosity Law. Nature 162, 815–816 (1948). https://doi.org/10.1038/162815a0
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DOI: https://doi.org/10.1038/162815a0
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