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- W4328131318 abstract "Abstract Standard evolutionary models of pre-main sequence (PMS) low-mass stars often predict radii R and Li abundances A ( 7 Li) which are too small to agree with empirical data, while effective temperatures T eff are predicted to be too large . There are also discrepancies in replicating the stellar age . Discrepancies in R , T eff , and A ( 7 Li) are reported by Stassun et al. for both components (A/B) of the eclipsing binary 2M1222-57 belonging to the young Lower Centaurus Crux association. Using the output of a magneto-convective stellar evolution model which we applied in an early study (in 2010) of PMS stars in a different young association, we show that the discrepancies reported by Stassun et al. in the 2M1222-57 system are alleviated. The models are instructive in showing why larger lithium abundances occur in magnetic PMS stars: it takes longer for the central gas in such a star to become hot enough to destroy lithium." @default.
- W4328131318 created "2023-03-22" @default.
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- W4328131318 date "2023-03-21" @default.
- W4328131318 modified "2023-09-30" @default.
- W4328131318 title "Magneto-convective Modeling of Low-mass Pre-main Sequence Stars: Postponing the Depletion of Lithium" @default.
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- W4328131318 doi "https://doi.org/10.3847/2515-5172/acc538" @default.
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