Old stellar population synthesis : New age and mass estimates for Mayall II = G 1

Abstract

Mayall II = G1 is one of the most luminous globular clusters (GCs) in M31. Here, we determine its age and mass by comparing multicolor photometry with theoretical stellar population synthesis models. Based on farand near-ultraviolet GALEX photometry, broad-band UBV RI , and infrared JHKs 2MASS data, we construct the most extensive spectral energy… (More)

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