Determining the Elemental and Isotopic Composition of the Pre-solar Nebula from Genesis Data Analysis: The Case of Oxygen

J. Martin Laming, V. S. Heber, D. S. Burnett, Y. Guan, Richard Hervig, G. R. Huss, Amy Jurewicz, E. C. Koeman-Shields, K. D. McKeegan, L. R. Nittler, D. B. Reisenfeld, K. D. Rieck, J. Wang, R. C. Wiens, D. S. Woolum

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

We compare element and isotopic fractionations measured in bulk solar wind samples collected by NASA's Genesis mission with those predicted from models incorporating both the ponderomotive force in the chromosphere and conservation of the first adiabatic invariant in the low corona. Generally good agreement is found, suggesting that these factors are consistent with the process of solar wind fractionation. Based on bulk wind measurements, we also consider in more detail the isotopic and elemental abundances of O. We find mild support for an O abundance in the range 8.75-8.83, with a value as low as 8.69 disfavored. A stronger conclusion must await solar wind regime-specific measurements from the Genesis samples.

Original languageEnglish (US)
Article numberL12
JournalAstrophysical Journal Letters
Volume851
Issue number1
DOIs
StatePublished - Dec 10 2017

Fingerprint

solar nebula
solar wind
isotopic composition
fractionation
oxygen
Genesis mission
wind measurement
ponderomotive forces
chromosphere
isotopic fractionation
coronas
corona
conservation
data analysis

Keywords

  • solar wind
  • Sun: abundances
  • Sun: chromosphere
  • turbulence
  • waves

ASJC Scopus subject areas

  • Astronomy and Astrophysics
  • Space and Planetary Science

Cite this

Determining the Elemental and Isotopic Composition of the Pre-solar Nebula from Genesis Data Analysis : The Case of Oxygen. / Laming, J. Martin; Heber, V. S.; Burnett, D. S.; Guan, Y.; Hervig, Richard; Huss, G. R.; Jurewicz, Amy; Koeman-Shields, E. C.; McKeegan, K. D.; Nittler, L. R.; Reisenfeld, D. B.; Rieck, K. D.; Wang, J.; Wiens, R. C.; Woolum, D. S.

In: Astrophysical Journal Letters, Vol. 851, No. 1, L12, 10.12.2017.

Research output: Contribution to journalArticle

Laming, JM, Heber, VS, Burnett, DS, Guan, Y, Hervig, R, Huss, GR, Jurewicz, A, Koeman-Shields, EC, McKeegan, KD, Nittler, LR, Reisenfeld, DB, Rieck, KD, Wang, J, Wiens, RC & Woolum, DS 2017, 'Determining the Elemental and Isotopic Composition of the Pre-solar Nebula from Genesis Data Analysis: The Case of Oxygen', Astrophysical Journal Letters, vol. 851, no. 1, L12. https://doi.org/10.3847/2041-8213/aa9bf0
Laming, J. Martin ; Heber, V. S. ; Burnett, D. S. ; Guan, Y. ; Hervig, Richard ; Huss, G. R. ; Jurewicz, Amy ; Koeman-Shields, E. C. ; McKeegan, K. D. ; Nittler, L. R. ; Reisenfeld, D. B. ; Rieck, K. D. ; Wang, J. ; Wiens, R. C. ; Woolum, D. S. / Determining the Elemental and Isotopic Composition of the Pre-solar Nebula from Genesis Data Analysis : The Case of Oxygen. In: Astrophysical Journal Letters. 2017 ; Vol. 851, No. 1.
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