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most citedNa-O Anticorrelation and HB. VII. The chemical composition of first and second-generation stars in 15 globular clusters from GIRAFFE spectra

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astro-ph2002★ 267 cited

HST color-magnitude diagrams of 74 galactic globular clusters in the HST F439W and F555W bands

G. Piotto, I. R. King, S. G. Djorgovski +9

We present the complete photometric database and the color-magnitude diagrams for 74 Galactic globular clusters observed with the HST/WFPC2 camera in the F439W and F555W bands. A d…