Abstract
An analytical stability eriterion is given by the limiting value of the ratio of the semi-major axes of the outer star and inner binary and Harrington's (1972) numerically obtained results are slightly modified for planar systems in direct motion.
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Szebehely, V. Analytical determination of the measure of stability of triple stellar systems. Celestial Mechanics 15, 107–110 (1977). https://doi.org/10.1007/BF01229051
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DOI: https://doi.org/10.1007/BF01229051