Fig. 3.

Spectroscopic measurements of 97 solar-like oscillating stars observed by Kepler. Typical uncertainties (0.1 dex, 100 K) are indicated with the cross in the bottom right corner. Histograms are affixed to the top and right side of the figure showing the metallicity and effective temperature distributions for the sample. The values for the Sun are given with the solar symbol (⊙). The background colors indicate the spectral type (F, G, K).
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