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- W3093127952 abstract "We utilize observations of 16 white dwarf stars to calculate and analyze the oxidation states of the parent bodies accreting onto stars. Oxygen fugacity, which is a measure of overall oxidation state for rocks, is as important as pressure and temperature in determining the structure of a planet. We find that most of the extrasolar rocky bodies formed under oxidizing conditions, but that ∼1/4 of the polluted white dwarfs have compositions that are consistent with more reduced parent bodies. The difficulty in constraining the oxidation states of relatively reduced bodies is discussed and a model for the time-dependent evolution of the apparent oxygen fugacity for a hypothetical reduced body engulfed by a WD is investigated. The differences in diffusive fluxes of various elements through the WD envelope yield spurious inferred bulk elemental compositions and oxidation states of the accreting parent bodies under certain conditions. The worst case for biasing against detection of reduced bodies occurs for high effective temperatures. For moderate and low effective temperatures, the evidence for relatively reduced parent bodies is preserved under most circumstances for at least several characteristic lifetimes of the debris disk." @default.
- W3093127952 created "2020-10-22" @default.
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- W3093127952 date "2020-09-16" @default.
- W3093127952 modified "2023-09-30" @default.
- W3093127952 title "Where Are the Extrasolar Mercuries?" @default.
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- W3093127952 cites W1674226957 @default.
- W3093127952 cites W1874246693 @default.
- W3093127952 cites W1970306532 @default.
- W3093127952 cites W1975175724 @default.
- W3093127952 cites W1979062334 @default.
- W3093127952 cites W1980476098 @default.
- W3093127952 cites W1991211980 @default.
- W3093127952 cites W1992845500 @default.
- W3093127952 cites W1997372286 @default.
- W3093127952 cites W2001159851 @default.
- W3093127952 cites W2008957594 @default.
- W3093127952 cites W2013367244 @default.
- W3093127952 cites W2017761991 @default.
- W3093127952 cites W2025784994 @default.
- W3093127952 cites W2026630163 @default.
- W3093127952 cites W2028678583 @default.
- W3093127952 cites W2034761906 @default.
- W3093127952 cites W2048233625 @default.
- W3093127952 cites W2054913235 @default.
- W3093127952 cites W2055834769 @default.
- W3093127952 cites W2055992533 @default.
- W3093127952 cites W2067984861 @default.
- W3093127952 cites W2074014761 @default.
- W3093127952 cites W2085461867 @default.
- W3093127952 cites W2092481927 @default.
- W3093127952 cites W2093397420 @default.
- W3093127952 cites W2095321171 @default.
- W3093127952 cites W2096471541 @default.
- W3093127952 cites W2096562390 @default.
- W3093127952 cites W2100259324 @default.
- W3093127952 cites W2118661683 @default.
- W3093127952 cites W2120176236 @default.
- W3093127952 cites W2138385083 @default.
- W3093127952 cites W2143051755 @default.
- W3093127952 cites W2150148412 @default.
- W3093127952 cites W2163704918 @default.
- W3093127952 cites W2171968174 @default.
- W3093127952 cites W2237209675 @default.
- W3093127952 cites W2299087642 @default.
- W3093127952 cites W2507378373 @default.
- W3093127952 cites W2586861863 @default.
- W3093127952 cites W2735781830 @default.
- W3093127952 cites W2772540110 @default.
- W3093127952 cites W2776357584 @default.
- W3093127952 cites W2784495055 @default.
- W3093127952 cites W2792067097 @default.
- W3093127952 cites W2912326684 @default.
- W3093127952 cites W2949256862 @default.
- W3093127952 cites W2953282952 @default.
- W3093127952 cites W2955236351 @default.
- W3093127952 cites W2964089368 @default.
- W3093127952 cites W2969980605 @default.
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- W3093127952 cites W2989896396 @default.
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- W3093127952 cites W3099133876 @default.
- W3093127952 cites W3099520098 @default.
- W3093127952 cites W3099867591 @default.
- W3093127952 cites W3099890441 @default.
- W3093127952 cites W3099961596 @default.
- W3093127952 cites W3101082473 @default.
- W3093127952 cites W3101199601 @default.
- W3093127952 cites W3101309368 @default.
- W3093127952 cites W3102590338 @default.
- W3093127952 cites W3103446560 @default.
- W3093127952 cites W3105082351 @default.
- W3093127952 cites W3105692524 @default.
- W3093127952 cites W3106122278 @default.
- W3093127952 cites W3106190083 @default.
- W3093127952 cites W3106259933 @default.
- W3093127952 cites W3106391468 @default.
- W3093127952 cites W3106532927 @default.
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- W3093127952 doi "https://doi.org/10.3847/1538-4357/abad9a" @default.
- W3093127952 hasPublicationYear "2020" @default.
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