Isochrone fitting of Galactic globular clusters -- II. NGC6205 (M13)
G. A. Gontcharov,
M. Yu. Khovritchev,
A. V. Mosenkov
Abstract:We present new isochrone fits to colour-magnitude diagrams of the Galactic globular cluster NGC 6205 (M13). We utilise 34 photometric bands from the ultraviolet to midinfrared by use of data from the HST, Gaia DR2, SDSS, unWISE, Pan-STARRS DR1, and other photometric sources. In our isochrone fitting we use the PARSEC, MIST, DSEP, BaSTI, and IAC-BaSTI theoretical models and isochrones, both for the solarscaled and He-α-enhanced abundances, with a metallicity of about [Fe/H]= −1.58 adopted from the literature. T… Show more
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