Astrometry of 3 vdBH open clusters

We present results of a study that combines photometry and astrometry for the open clusters vdB80, vdB85 and vdB130. We apply a model which analyses the proper motion...本研究针对疏散星团vdB80、vdB85及vdB130开展测光与天体测量联合分析，并展示相关研究成果。我们采用了一款用于分析天体自行的模型……