UBV(RI)c photometry of 4 open clusters
收藏B2FIND2026-03-19 收录
官方服务：
资源简介：
Ages derived from the low mass stars still contracting onto the main sequence often differ from ages derived from the high mass ones that have already evolved away from it. We...
通过仍处于向主序星（main sequence）阶段收缩过程的低质量恒星推导得到的恒星年龄，往往与通过已脱离主序星阶段的高质量恒星推导得到的恒星年龄存在差异。我们……
