Journal
ASTRONOMICAL JOURNAL
Volume 159, Issue 6, Pages -Publisher
IOP Publishing Ltd
DOI: 10.3847/1538-3881/159/6/280
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Funding
- NASA FINESST award [80NSSC19K1424]
- National Science Foundation [AST-1717000, NSF PHY-1748958]
- Alfred P. Sloan Foundation
- NSF [AST-187215]
- German Science Foundation through DFG Research 644 Unit [FOR2544]
- NASA through the NASA Hubble Fellowship Grant - Space Telescope Science Institute [51424]
- NASA [NAS5-26555]
- National Development and Reform Commission
- National Aeronautics and Space Administration
- National Science Foundation
- Robert Martin Ayers Sciences Fund
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An accurate and precise Kepler Stellar Properties Catalog is essential for the interpretation of the Kepler exoplanet survey results. Previous Kepler Stellar Properties Catalogs have focused on reporting the best-available parameters for each star, but this has required combining data from a variety of heterogeneous sources. We present the Gaia-Kepler Stellar Properties Catalog, a set of stellar properties of 186,301 Kepler stars, homogeneously derived from isochrones and broadband photometry, Gaia Data Release 2 parallaxes, and spectroscopic metallicities, where available. Our photometric effective temperatures, derived from colors, are calibrated on stars with interferometric angular diameters. Median catalog uncertainties are 112 K for for T-eff, 0.05 dex for log g, 4% for R-star, 7% for M-star, 13% for rho(star), 10% for L-star, and 56% for stellar age. These precise constraints on stellar properties for this sample of stars will allow unprecedented investigations into trends in stellar and exoplanet properties as a function of stellar mass and age. In addition, our homogeneous parameter determinations will permit more accurate calculations of planet occurrence and trends with stellar properties.
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