Paschen lines in M dwarfs chromospheres

The hydrogen Paschen lines are known activity indicators, but studies of them in M dwarfs during quiescence are as rare as their reports in flare studies. This situation is...氢帕邢线（Hydrogen Paschen lines）是学界公认的天体活动指标，但针对宁静态M型矮星开展的此类谱线研究，其稀缺程度与该谱线在耀斑研究中的相关报道不相上下。这一现状……