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First Double Red Giant Algol System with Active Mass Transfer

Authors: Mikhail Yu. Kovalev, Hailiang Chen, 海亮陈, Sufen Guo, 素芬郭, Jiao Li, 蛟李, Hongwei Ge, 宏伟葛, Dengkai Jiang, 登凯姜, Marina A. Burlak, Natalia P. Ikonnikova, Xuefei Chen, 雪飞陈, Zhanwen Han, 占文韩

Mikhail Yu. Kovalev et al 2026 The Astronomical Journal 172 .

Provider: AAS Journals

Caption: Figure 9.

All photometric observations plotted against time. A sine function computed with half the derived period and an amplitude of 0.02 is shown to guide the eye. The times of spectral observations are indicated as vertical lines.

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