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- W2079551085 endingPage "124" @default.
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- W2079551085 abstract "We use samples of local main-sequence stars to show that the radial gradient of [Fe/H] in the thin disk of the Milky Way decreases with mean effective stellar temperature. Many of these stars are visiting the solar neighborhood from the inner and outer Galaxy. We use the angular momentum of each star about the Galactic center to determine the guiding center radius and to eliminate the effects of epicyclic motion, which would otherwise blur the estimated gradients. We interpret the effective temperature as a proxy for mean age, and conclude that the decreasing gradient is consistent with the predictions of radial mixing due to transient spiral patterns. We find some evidence that the trend of decreasing gradient with increasing mean age breaks to a constant gradient for samples of stars whose main-sequence life-times exceed the likely age of the thin disk." @default.
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- W2079551085 date "2012-07-17" @default.
- W2079551085 modified "2023-09-23" @default.
- W2079551085 title "A TEST FOR RADIAL MIXING USING LOCAL STAR SAMPLES" @default.
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- W2079551085 doi "https://doi.org/10.1088/0004-637x/754/2/124" @default.
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