Fornax cluster 1 and 3 photometry

We have performed photometric CCD observations of the giant and horizontal branches of the globular cluster1, and of the giant branch of cluster3, in the Fornax dwarf spheroidal...我们已针对天炉座矮球状星系（Fornax dwarf spheroidal）内球状星团1的巨星分支与水平分支，以及星团3的巨星分支，开展了测光CCD（Charge-Coupled Device）观测。