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Absolute Properties of Three Near-contact Binaries Undergoing Orbital Period Decrease at a Critical Evolutionary Stage

Authors: Bin Zhang, Xin-Jie Yan, Xu-Dong Zhang, Wen-Jun Xiao

Bin Zhang et al 2026 The Astrophysical Journal 1012 .

Provider: AAS Journals

Caption: Figure 1.

RV data and fitted curves of three binary systems. Red and blue circles stand for the observed RVs of RV₁ (primary star) and RV₂ (secondary star), respectively. The red and blue solid lines represent the best-fitting curves. The final fitting residuals are plotted in the bottom panel.

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