Spectroscopic evidence for a large spot on the dimming Betelgeuse

The reason of the dimming of Betelgeuse is debated. Here, the authors show effective temperature decrease that can be explained by a large spot.

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Detalles Bibliográficos
Autores principales: Sofya Alexeeva, Gang Zhao, Dong-Yang Gao, Junju Du, Aigen Li, Kai Li, Shaoming Hu
Formato: article
Lenguaje:EN
Publicado: Nature Portfolio 2021
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Acceso en línea:https://doaj.org/article/b3c954ad793e4e718ef4a8038a2047a3
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Sumario:The reason of the dimming of Betelgeuse is debated. Here, the authors show effective temperature decrease that can be explained by a large spot.