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Solar System Abundances and Condensation Temperatures of the Elements

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Lodders, Katharina·2003·The Astrophysical Journal

Abstract

Solar photospheric and meteoritic CI chondrite abundance determinations for all elements are summarized and the best currently available photospheric abundances are selected. The meteoritic and solar abundances of a few elements (e.g., noble gases, beryllium, boron, phosphorous, sulfur) are discussed in detail. The photospheric abundances give mass fractions of hydrogen ( X = 0.7491), helium ( Y = 0.2377), and heavy elements ( Z = 0.0133), leading to Z / X = 0.0177, which is lower than the widely used Z / X = 0.0245 from previous compilations. Recent results from standard solar models considering helium and heavy-element settling imply that photospheric abundances and mass fractions are not equal to protosolar abundances (representative of solar system abundances). Protosolar elemental and isotopic abundances are derived from photospheric abundances by considering settling effects. Derived protosolar mass fractions are X 0 = 0.7110, Y 0 = 0.2741, and Z 0 = 0.0149. The solar system and photospheric abundance tables are used to compute self-consistent sets of condensation temperatures for all elements.

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Metadata

Authors
Lodders, K.
Venue
The Astrophysical Journal
Published
2003-07-10
Volume
591
Issue
2
Pages
1220-1247
ISSN
  • 0004-637X (ISSN-L)
  • 1538-4357
OpenAlex
W2096471541
Cited by
4,787
References
0
FWCI
59.15
Type
journal article
Language
en
Open access
bronze

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Lodders, K. (2003). Solar System Abundances and Condensation Temperatures of the Elements. The Astrophysical Journal. https://doi.org/10.1086/375492

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