Starspot variability as X-ray radiation proxy

Stellar X-ray emission plays an important role in the study of exoplanets as a proxy for stellar winds and as a basis for the prediction of extreme ultraviolet (EUV) flux,...恒星X射线辐射在系外行星研究中具有重要作用，其既可作为恒星风的替代示踪指标，亦可作为极紫外（EUV）辐射通量预测的基础依据……