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MESA Isochrones and Stellar Tracks (MIST). II. Models with α-enhanced Chemical Composition

  • Authors: Aaron Dotter, Evan B. Bauer, Minjung Park, Charlie Conroy, Antonino P. Milone, Meridith Joyce, Matteo Cantiello

Aaron Dotter et al 2026 The Astrophysical Journal Supplement Series 283 .

  • Provider: AAS Journals

Caption: Figure 7.

Comparison of metal-poor, α-enhanced isochrones with the HST/ACS CMDs of three Galactic globular clusters: M92 (left), M3 (center), and 47 Tuc (right). Four ages from 10 to 13 Gyr are shown; all have [α/Fe] = +0.4. The data are from the ACS Survey of Galactic Globular Clusters (A. Sarajedini et al. 2007, 2008). Model [Fe/H], distance modulus, and reddening parameters are given in Table 2.

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