UBVR(UIT) photometry of O and OB stars in SMC

The distribution of N, the number of OB stars per association or cluster, appears to follow a universal power-law form (N)^-2^ in the local universe. We evaluate the...单个星协或星团内的OB星（OB stars）数量N的分布，在本地宇宙中似乎遵循普适的幂律形式$(N)^{-2}$。我们将对其展开评估……