Pre-main-sequence depletion of Li-6 and Li-7
Journal Article
·
· Astrophysical Journal; (USA)
- Montreal Universite, Montreal (Canada)
Depletion of Li-6 and Li-7 during premain-sequence contraction has been calculated for several evolutionary sequences. Slightly greater Li-7 depletion was found than by other recent workers. On the premain sequence, Li-6 is depleted by a factor of at least 10 in the present models for stars with T(eff) lower than 6800 K on the main sequence. Because of the shorter destruction time scale for Li-6 as compared to Li-7, the determination of the abundances of these two isotopes would place strict constraints on the structure of premain-sequence stars. 39 refs.
- OSTI ID:
- 7242509
- Journal Information:
- Astrophysical Journal; (USA), Journal Name: Astrophysical Journal; (USA) Vol. 346; ISSN ASJOA; ISSN 0004-637X
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
640102* -- Astrophysics & Cosmology-- Stars & Quasi-Stellar
Radio & X-Ray Sources
71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
ABUNDANCE
ALKALI METAL ISOTOPES
CHEMICAL COMPOSITION
CHEMISTRY
COSMOCHEMISTRY
ELEMENT ABUNDANCE
ERUPTIVE VARIABLE STARS
ISOTOPES
LIGHT NUCLEI
LITHIUM 6
LITHIUM 7
LITHIUM ISOTOPES
MAIN SEQUENCE STARS
MATHEMATICAL MODELS
NUCLEI
ODD-EVEN NUCLEI
ODD-ODD NUCLEI
STABLE ISOTOPES
STAR EVOLUTION
STAR MODELS
STARS
T TAURI STARS
VARIABLE STARS
Radio & X-Ray Sources
71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
ABUNDANCE
ALKALI METAL ISOTOPES
CHEMICAL COMPOSITION
CHEMISTRY
COSMOCHEMISTRY
ELEMENT ABUNDANCE
ERUPTIVE VARIABLE STARS
ISOTOPES
LIGHT NUCLEI
LITHIUM 6
LITHIUM 7
LITHIUM ISOTOPES
MAIN SEQUENCE STARS
MATHEMATICAL MODELS
NUCLEI
ODD-EVEN NUCLEI
ODD-ODD NUCLEI
STABLE ISOTOPES
STAR EVOLUTION
STAR MODELS
STARS
T TAURI STARS
VARIABLE STARS