NGC 1960 (RI)c photometric catalogue

We present a deep Cousins RI photometric survey of the open cluster NGC 1960, complete to R_C_=~22, I_C_=~21, that is used to select a sample of very low mass cluster...我们针对疏散星团NGC 1960开展了一项深场考辛斯RI测光巡天（Cousins RI photometric survey），其测光完备性达到R_C≈22、I_C≈21，该巡天被用于选取极低质量星团成员样本……