Fig. 6
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Variation in Js/Jo with q for 40 systems. The orange points illustrate the Js/Jo values for the 40 low mass-ratio contact binary systems identified in this study, while the blue points represent the 30 systems reported by Christopoulou et al. (2022), and the red points correspond to the 9 systems discovered by Lalounta et al. (2024). The gray dashed line marks the instability threshold at Js/Jo = 1/3.
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