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

doi:10.3847/2041-8213/aa9bf0

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

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17 Scopus citations

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 language	English (US)
Article number	L12
Journal	Astrophysical Journal Letters
Volume	851
Issue number	1
DOIs	https://doi.org/10.3847/2041-8213/aa9bf0
State	Published - Dec 10 2017

Keywords

Sun: abundances
Sun: chromosphere
solar wind
turbulence
waves

ASJC Scopus subject areas

Astronomy and Astrophysics
Space and Planetary Science

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10.3847/2041-8213/aa9bf0

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Laming, J. M., Heber, V. S., Burnett, D. S., Guan, Y., Hervig, R., Huss, G. R., Jurewicz, A., Koeman-Shields, E. C., McKeegan, K. D., Nittler, L. R., Reisenfeld, D. B., Rieck, K. D., Wang, J., Wiens, R. C., & Woolum, D. S. (2017). Determining the Elemental and Isotopic Composition of the Pre-solar Nebula from Genesis Data Analysis: The Case of Oxygen. Astrophysical Journal Letters, 851(1), Article L12. https://doi.org/10.3847/2041-8213/aa9bf0

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

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

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.",

keywords = "Sun: abundances, Sun: chromosphere, solar wind, turbulence, waves",

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

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AU - Laming, J. Martin

AU - Heber, V. S.

AU - Burnett, D. S.

AU - Guan, Y.

AU - Hervig, Richard

AU - Huss, G. R.

AU - Jurewicz, Amy

AU - Koeman-Shields, E. C.

AU - McKeegan, K. D.

AU - Nittler, L. R.

AU - Reisenfeld, D. B.

AU - Rieck, K. D.

AU - Wang, J.

AU - Wiens, R. C.

AU - Woolum, D. S.

PY - 2017/12/10

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AB - 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.

KW - Sun: abundances

KW - Sun: chromosphere

KW - solar wind

KW - turbulence

KW - waves

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

Abstract

Keywords

ASJC Scopus subject areas

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