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The Lithium Isotope Ratio in F and G Field Stars

Cohen, Judith Gamora (1972) The Lithium Isotope Ratio in F and G Field Stars. Astrophysical Journal, 171 . pp. 71-77. ISSN 0004-637X. https://resolver.caltech.edu/CaltechAUTHORS:20190529-103833996

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Abstract

A Fabry-Perot interferometer was used to obtain high-resolution profiles of the resonance line of Li i and λ6717.69 of Ca i in 14 bright F, G, and early K field stars. The observational data were fitted by computed theoretical line profiles to determine the rotational velocity, Li abundance, and Li isotope ratio for each star. The ^6Li/^7Li ratio was 0.1 or less in all the program stars


Item Type:Article
Related URLs:
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https://doi.org/10.1086/151259DOIArticle
http://adsabs.harvard.edu/abs/1972ApJ...171...71CADSArticle
ORCID:
AuthorORCID
Cohen, Judith Gamora0000-0002-8039-4673
Additional Information:© 1972. The University of Chicago. Received 1971 June 21; revised 1971 August 16. I would like to thank Professor Guido Münch, who supervised this research, which was part of my doctoral thesis, and provided much assistance in making the observations. I thank Professor G. Herbig for the loan of his spectra and valuable conversations. I am grateful to Mr. Kurucz and Dr. Strom for the use of their computer programs. Financial support from the California Institute of Technology is gratefully acknowledged.
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Record Number:CaltechAUTHORS:20190529-103833996
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20190529-103833996
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:95874
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Deposited By: George Porter
Deposited On:29 May 2019 18:31
Last Modified:03 Oct 2019 21:17

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