byH{alpha} photometry in open clusters

Be stars are a class of rapidly rotating B stars with circumstellar disks that cause Balmer and other line emission. There are three possible reasons for the rapid rotation of...Be星（Be stars）是一类快速旋转的B型星，其拥有的星周盘可引发巴耳末谱线及其他谱线的发射。关于这类天体快速旋转的潜在原因，目前存在三种可能的