Rotation and spots in normal A and Am/Fm stars

Frequency analysis of long-term ultraprecise photometry can lead to precise values of rotation frequencies of rotating stars with 'hump and spike' features in their...对长期超高精度测光数据进行频率分析，可精准获得具有"驼峰与尖峰"特征的自转恒星的自转频率精确值，这类特征存在于其……