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The Astrophysical Journal· 2016Q1

MESA ISOCHRONES AND STELLAR TRACKS (MIST). I. SOLAR-SCALED MODELS

Jieun Choi, Aaron Dotter, Charlie Conroy, Matteo Cantiello et al.

Short summary

The MIST project releases a new comprehensive set of solar-scaled stellar evolutionary tracks and isochrones computed using the MESA package, covering ages from 10^5 to 10^10 years, masses from 0.08 to 300 solar masses, and metallicities from 10^-6 to 10^-1.

AI-generated from the title and abstract; the full text is not read.

Key points

  • Presents the first release of the MIST stellar evolutionary tracks and isochrones.
  • Models are computed using the state-of-the-art open-source MESA stellar evolution package.
  • Covers solar-scaled abundance ratios across a wide range of ages (10^5-10^10 yr), masses (0.08-300 M☉), and metallicities (10^-6-10^-1).
  • Models are evolved from pre-main sequence to end of hydrogen burning, white dwarf cooling, or end of carbon burning, with a subset reaching end of core helium burning.
  • Extensive comparisons with observational constraints and existing models are provided.

AI-generated from the title and abstract; the full text is not read.

Abstract

ABSTRACT This is the first of a series of papers presenting the Modules for Experiments in Stellar Astrophysics (MESA) Isochrones and Stellar Tracks (MIST) project, a new comprehensive set of stellar evolutionary tracks and isochrones computed using MESA, a state-of-the-art open-source 1D stellar evolution package. In this work, we present models with solar-scaled abundance ratios covering a wide range of ages ( ), masses ( ), and metallicities ( ). The models are self-consistently and continuously evolved from the pre-main sequence (PMS) to the end of hydrogen burning, the white dwarf cooling sequence, or the end of carbon burning, depending on the initial mass. We also provide a grid of models evolved from the PMS to the end of core helium burning for . We showcase extensive comparisons with observational constraints as well as with some of the most widely used existing models in the literature. The evolutionary tracks and isochrones can be downloaded from the project website at http://waps.cfa.harvard.edu/MIST/ .

The authors' abstract, as published at the source. The Astrophysical Journal, 2016 · DOI ↗

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Field: Astronomy and Astrophysics

Astronomy and AstrophysicsPhysics and Astronomy