A star catalog for the open cluster NGC 188

We present new BVRI broadband photometry for the old open cluster NGC 188, based on an analysis of 299 CCD images either obtained by us, donated by colleagues, or retrieved from...我们针对年老疏散星团NGC 188获取了全新的BVRI宽带测光数据，该数据基于对299幅CCD（Charge-Coupled Device，电荷耦合器件）图像的分析，这些图像一部分由我们自主获取，一部分由同行捐赠，其余则从……中检索得到。