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The First Photometric and Spectroscopic Study of Eight Large Amplitude Totally Eclipsing Contact Binaries

  • Authors: Yan-Rui Su, Kai Li, Li-Heng Wang, Meng Guo, Xiang Gao, Di-Fu Guo, Xing Gao, Shahidin Yaqup, Chunhai Bai, Ali Esamdin, Tuhong Zhong

Yan-Rui Su et al 2026 The Astronomical Journal 172 .

  • Provider: AAS Journals

Caption: Figure 4.

Observed (black), synthetic (red), and subtracted (blue) spectra of the eight targets. The subtracted spectra reveal Hα emission features, indicating chromospheric activity.

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