WINGS Optical wide--field images

WINGS (WIde-field Nearby Galaxy-cluster Survey) is an all-sky (|b|>20) survey of a complete, X-ray selected sample of galaxy clusters in the redshift range 0.04-0.07. The...WINGS（宽视场近邻星系团巡天，WIde-field Nearby Galaxy-cluster Survey）是一项针对红移范围0.04-0.07内的完整X射线选择星系团样本的全天空（|b|>20）巡天项目。The...