Time-series Halpha spectroscopy of the complex periodic variable TIC 141146667 shows sinusoidal high-velocity emission from cool plasma clumps corotating with the star, the first direct evidence of circumstellar material around a CPV.
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A Plasma Torus Around a Young Low-Mass Star
Time-series Halpha spectroscopy of the complex periodic variable TIC 141146667 shows sinusoidal high-velocity emission from cool plasma clumps corotating with the star, the first direct evidence of circumstellar material around a CPV.