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arXiv 1406.0480astro-ph.SR
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太阳系化学丰度系统学修正

Solar System chemical abundances corrected for systematics

Guillermo Gonzalez

摘要:

CI陨石与太阳光球层之间的相对化学丰度随凝结温度的变化呈现出明显的趋势。当把太阳光球的丰度与附近的太阳孪生体进行比较时,也可以看到凝结温度的趋势。我们使用这两种趋势来确定的元素丰度的流星和光球分馏的变化,并计算一组新的原始太阳系的丰度。

英文摘要:

The relative chemical abundances between CI meteorites and the solar photosphere exhibit a significant trend with condensation temperature. A trend with condensation temperature is also seen when the solar photospheric abundances are compared to those of nearby solar twins. We use both these trends to determine the alteration of the elemental abundances of the meteorties and the photosphere by fractionation and calculate a new set of primordial Solar System abundances.

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