Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Testing Models of Stellar Structure and Evolution I. Comparison with
  Detached Eclipsing Binaries   We present the results of an analysis aimed at testing the accuracy and
precision of the PARSEC v1.2S library of stellar evolution models, in a
Bayesian framework, to infer stellar parameters. We mainly employ the online
DEBCat catalogue by Southworth, a compilation of detached eclipsing binary
systems with published measurements of masses and radii to $\sim$ 2 per cent
precision. We select a sample of 318 binary components, with masses between
0.10 and 14.5 Msun, at distances between 1.3 pc and ~ 8 kpc for Galactic
objects and ~ 44-68 kpc for extragalactic ones. The Bayesian analysis applied
takes as input effective temperature, radius, and [Fe/H], and their
uncertainties, returning theoretical predictions for other stellar parameters.
From the comparison with dynamical masses, we conclude that the inferred masses
are precisely derived for stars on the main-sequence and in the
core-helium-burning phase, with uncertainties of 4 per cent and 7 per cent,
respectively, on average. Masses for subgiants and red giants are predicted
within 14 per cent, and those for early asymptotic giant branch stars within 24
per cent. These results are helpful to further improve the models, in
particular for advanced evolutionary stages for which our understanding is
limited. We obtain distances and ages for the binary systems and compare them,
whenever possible, with precise literature estimates, finding excellent
agreement. We discuss evolutionary effects and challenges for inferring stellar
ages from evolutionary models. We also provide useful polynomial fittings to
theoretical zero-age main-sequence relationships.

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The categories of this paper are: atom-ph
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The categories of this paper are: supr-con
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The categories of this paper are: hep-th
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The categories of this paper are: hep-lat
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The categories of this paper are: ao-sci
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The categories of this paper are: patt-sol
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The categories of this paper are: cond-mat
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The categories of this paper are: q-bio
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The categories of this paper are: chem-ph
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The categories of this paper are: nlin
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The categories of this paper are: gr-qc
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The categories of this paper are: comp-gas
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The categories of this paper are: physics
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The categories of this paper are: chao-dyn
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The categories of this paper are: econ
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The categories of this paper are: hep-ph