articleThe Astrophysical Journal Supplement SeriesFeb 1, 2025GOLD OA

APOKASC-3: The Third Joint Spectroscopic and Asteroseismic Catalog for Evolved Stars in the Kepler Fields

Astronomy and Space

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Abstract

Abstract In the third APOKASC catalog, we present data for the complete sample of 15,808 evolved stars with APOGEE spectroscopic parameters and Kepler asteroseismology. We used 10 independent asteroseismic analysis techniques and anchor our system on fundamental radii derived from Gaia L and spectroscopic T eff . We provide evolutionary state, asteroseismic surface gravity, mass, radius, age, and the data used to derive them for 12,418 stars. This includes 10,036 exceptionally precise measurements, with median fractional uncertainties in ν max , Δ ν , mass, radius, and age of 0.6%, 0.6%, 3.8%, 1.8%, and 11.1%, respectively. We provide more limited data for 1624 additional stars that either have…

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Authors

41

Topics & keywords

Keywords
  • Kepler
  • Stars
  • Astronomy
  • Joint (building)
  • Physics
  • Astrophysics
  • Engineering
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