1995A&A...303..460M


Query : 1995A&A...303..460M

1995A&A...303..460M - Astronomy and Astrophysics, volume 303460-467 (1995/11-2)

News (νs) on the Galactic evolution of lithium.

MATTEUCCI F., D'ANTONA F. and TIMMES F.X.

Abstract (from CDS):

Galactic chemical evolution models are presented that take into account several recent developments: (1) models of classical novae nucleosynthesis question the total amount of 7Li produced by these systems; (2) observations and models for lithium production in asymptotic giant branch stars and the mass of the planetary nebula that they eject; (3) 7Li production from ν-process nucleosynthesis in Type II supernova explosions. The best fitting models for the upper envelope of the observed N(Li) as a function of [Fe/H] suggest that Type II supernovae and intermediate-low mass stars each produce about 1/2 of the solar lithium abundance, although fractions between 1/4 to 3/4 for each source are not conclusively ruled out. The variance of these fractions primarily reflect the uncertainties in the input nucleosynthesis.

Abstract Copyright: ∼

Journal keyword(s): Galaxy: abundances - evolution - nucleosynthesis - cosmology: miscellaneous

Simbad objects: 2

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Number of rows : 2
N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2026
#notes
1 SN 1987A SN* 05 35 27.98840 -69 16 11.1134           SNIIpec 5203 2
2 HD 84937 Pe* 09 48 56.0992891997 +13 44 39.326709913 8.49 8.68 8.32 7.97 7.70 F8Vm-5 831 0

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