BV CCD photometry in Westerlund 2

The properties of the early-type stars in the core of the Westerlund 2 cluster are examined in order to establish a link between the cluster and the very massive Wolf-Rayet...

本研究对韦斯特伦德2星团（Westerlund 2 cluster）核心区域的早型星（early-type stars）的物理性质进行了考察，旨在建立该星团与超大质量沃尔夫-拉叶星（Wolf-Rayet）之间的关联。