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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 13.

Results of spectral disentangling for the blue-arm spectra containing the Mg triplet. We also show the disentangled spectrum of the known red giant G3425. All spectra are scaled to have similar line depths in the Mg triplet.

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