B-star rotational velocities in h and {chi} Persei

Projected rotational velocities (vsini) have been measured for 216 B0-B9 stars in the rich, dense h and {chi} Persei double cluster and compared with the distribution of...已针对致密富星的英仙座h与χ双星团内的216颗B0-B9型恒星，测得其投影自转速度（Projected rotational velocities，vsini），并将该测量结果与……的分布进行了对比。