SIMBAD references

2020MNRAS.494.2718W - Mon. Not. R. Astron. Soc., 494, 2718-2726 (2020/May-2)

The M dwarf problem: Fe and Ti abundances in a volume-limited sample of M dwarf stars.

WOOLF V.M. and WALLERSTEIN G.

Abstract (from CDS):

We report iron and titanium abundance measurements from high-resolution spectra in a volume-limited sample of 106 M0 and M0.5 dwarf stars. The sample includes stars north of the celestial equator and closer than 29 parsecs. The results imply that there is an M dwarf problem similar to the previously known G dwarf problem, in that the fraction of low-metallicity M dwarfs is not large enough to fit simple closed-box models of Galactic chemical evolution. This volume-limited sample avoids many of the statistical uncertainties present in a previous study using a brightness-limited sample of M dwarf stars.

Abstract Copyright: © 2020 The Author(s) Published by Oxford University Press on behalf of the Royal Astronomical Society

Journal keyword(s): stars: abundances - stars: late-type - stars: statistics - Galaxy: abundances - Galaxy: evolution - Galaxy: stellar content

Simbad objects: 112

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