Age as the Second Parameter in NGC 288/NGC 362? II. The Horizontal Branch Revisited

@inproceedings{Catelan2001AgeAT,
  title={Age as the Second Parameter in NGC 288/NGC 362? II. The Horizontal Branch Revisited},
  author={M{\'a}rcio Catelan and Michele Bellazzini and Wayne B. Landsman and Francesco R. Ferraro and Flavio Fusi Pecci and S. Galleti U. Virginia and Oss. Astr. Bologna and Ssai},
  year={2001}
}
We revisit the "second-parameter" pair of globular clusters NGC 288/362 on the basis of theoretical models for red giant branch (RGB) and horizontal branch (HB) stars. The results of the most extensive set of RGB/HB simulations computed so far for these clusters are presented for two different metallicities. Using several different analytical mass-loss formulae for RGB stars, we derive relative "HB morphology ages." We compare them with the relative main-sequence turnoff ages derived by… CONTINUE READING

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