Spectroscopic and Decade-long Photometric Observations of the Contact Binary V2790 Ori: Evidence for a Brown Dwarf Companion and a Solar-like Magnetic Activity Cycle
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| Main Authors: | Wang, Si-Rui, Li, Kai, Xia, Qi-Qi, Gao, Dong-Yang, Gao, Xiang, Wang, Jing-Yi, Guo, Ya-Ni, Gao, Xing, Sun, Guo-You |
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| Format: | Preprint |
| Published: |
2025
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