The abundance of interstellar fluorine and its implications

Theodore P. Snow; Joshua D. Destree; Adam G. Jensen

doi:10.1086/510187

The abundance of interstellar fluorine and its implications

Theodore P. Snow, Joshua D. Destree, Adam G. Jensen

Research output: Contribution to journal › Article › peer-review

36 Scopus citations

Abstract

We report results from a survey of neutral fluorine (F I) in the interstellar medium. Data from FUSE were used to analyze 26 lines of sight lying in both the galactic disk and halo, including lines to Wolf-Rayet stars and through known supernova remnants. The equivalent widths of the fluorine resonance lines at 951.871 and 954.827 A were measured or assigned upper limits and combined with a nitrogen curve of growth to obtain F I column densities. These column densities were then used to calculate fluorine depletions. Comparisons are made to the previous study of F I by Federman and coworkers and implications for F I formation and depletion are discussed.

Original language	English (US)
Pages (from-to)	285-298
Number of pages	14
Journal	Astrophysical Journal
Volume	655
Issue number	1 I
DOIs	https://doi.org/10.1086/510187
State	Published - Jan 20 2007
Externally published	Yes

Keywords

ISM: abundances
ISM: atoms
Nuclear reactions, nucleosynthesis, abundances
Ultraviolet: ISM

ASJC Scopus subject areas

Astronomy and Astrophysics
Space and Planetary Science

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abstract = "We report results from a survey of neutral fluorine (F I) in the interstellar medium. Data from FUSE were used to analyze 26 lines of sight lying in both the galactic disk and halo, including lines to Wolf-Rayet stars and through known supernova remnants. The equivalent widths of the fluorine resonance lines at 951.871 and 954.827 A were measured or assigned upper limits and combined with a nitrogen curve of growth to obtain F I column densities. These column densities were then used to calculate fluorine depletions. Comparisons are made to the previous study of F I by Federman and coworkers and implications for F I formation and depletion are discussed.",

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AU - Destree, Joshua D.

AU - Jensen, Adam G.

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AB - We report results from a survey of neutral fluorine (F I) in the interstellar medium. Data from FUSE were used to analyze 26 lines of sight lying in both the galactic disk and halo, including lines to Wolf-Rayet stars and through known supernova remnants. The equivalent widths of the fluorine resonance lines at 951.871 and 954.827 A were measured or assigned upper limits and combined with a nitrogen curve of growth to obtain F I column densities. These column densities were then used to calculate fluorine depletions. Comparisons are made to the previous study of F I by Federman and coworkers and implications for F I formation and depletion are discussed.

KW - ISM: abundances

KW - ISM: atoms

KW - Nuclear reactions, nucleosynthesis, abundances

KW - Ultraviolet: ISM

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JO - Astrophysical Journal

JF - Astrophysical Journal

SN - 0004-637X

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The abundance of interstellar fluorine and its implications

Abstract

Keywords

ASJC Scopus subject areas

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