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The Effects of Sunspots on Spectral Line Shapes in the Visible

We present a comparative spectral analysis to explore the ability of a cooler Sun model to accurately capture the spectral line shape changes caused by sunspots. In the search for small Earth-like planets, the effects of stellar surface activity can overwhelm the ∼10 cm s ^−1 planetary radial veloci...

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Principais autores: Claire Komori, John M. Brewer, Lily L. Zhao
פורמט: Artigo
שפה:Inglês
יצא לאור: IOP Publishing 2025-01-01
סדרה:The Astronomical Journal
נושאים:
Stellar activity
Solar activity
Sunspots
Starspots
Exoplanet detection methods
Radial velocity
גישה מקוונת:https://doi.org/10.3847/1538-3881/adf749
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