Gilligan And O Malley, The isochrones that fit the calibration stars best were then used to determine the distances and ages of 22 GCs with metallicities ranging from −2.

Absolute Ages and Distances of 22 GCs Using Monte Carlo Main-sequence Fitting - IOPscience

2211.12684] Isochrone fitting of Galactic globular clusters – IV. NGC 6362 and NGC 6723

Absolute Ages and Distances of 22 GCs Using Monte Carlo Main-sequence Fitting - IOPscience

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PDF) Estimating Distance from Parallaxes. IV. Distances to 1.33 Billion Stars in Gaia Data Release 2

The GeMS/GSAOI Galactic Globular Cluster Survey (G4CS). I. A Pilot Study of the Stellar Populations in NGC 2298 and NGC 3201 - IOPscience

Isochrone - an overview

2211.12684] Isochrone fitting of Galactic globular clusters – IV. NGC 6362 and NGC 6723