MgII-K line fluxes in cool active and quiet stars

The MgIIk emission line is a good indicator of the level of chromospheric activity in late-type stars. We investigate the dependence of this activity indicator on fundamental...MgⅡk发射线（MgIIk emission line）是晚型恒星色球活动水平的优良示踪指标。本研究探究了该活动示踪指标与恒星基本……的依赖关系。