G dwarfs, white dwarfs, and the local dark matter

Details G dwarfs, white dwarfs, and the local dark matter G dwarfs, white dwarfs, and the local dark matter

Oct 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986apj...309..210o&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 309, Oct. 1, 1986, p. 210-217.

Astronomy and Astrophysics

Astrophysics

12

Abundance, Dwarf Stars, G Stars, Missing Mass (Astrophysics), Star Formation, Stellar Composition, White Dwarf Stars, Galactic Evolution, Metallicity, Stellar Luminosity, Stellar Mass, Supernovae

Scientific paper

The observed paucity of low-metallicity stars (the G-dwarf problem), the observed paucity of low-luminosity white dwarfs, and the apparent overabundance of matter in the solar neighborhood are discussed in a single context. In particular, bimodal models of star formation with enhanced cooling of low-luminosity white dwarfs may be able to simply solve the G-dwarf problem as well as the local dark matter problem without the over-production of observable white dwarfs. Constraints from Galactic chemical evolution are also discussed.

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