Galactic evolution of lithium

Details Galactic evolution of lithium Galactic evolution of lithium

Aug 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991a%26a...248...62d&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 248, no. 1, Aug. 1991, p. 62-71.

Astronomy and Astrophysics

Astrophysics

56

Big Bang Cosmology, Chemical Evolution, Galactic Evolution, Lithium, Astronomical Models, Asymptotic Giant Branch Stars, Carbon Stars, Novae, Stellar Evolution, Stellar Mass

Scientific paper

The present investigation of the galactic chemical evolution of Li assumes Li production to be due to the evolution of intermediate mass stars during their short asymptotic giant branch (AGB) lifetime, and/or the evolution of nova systems; attention is also given to C-13 production within the same framework. Good agreement with observational data is obtainable through the adoption of a model that encompasses Li production by both novae and AGB stars; C-13/C-12 is also well reproduced, as is the gradient of this abundance ratio along the galactic disk. The model predicts an increase of Li abundance by a factor of 2 in the last 4.5 Gyr.

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