Relation between metallicity and multiplicity for solar type stars

Details Relation between metallicity and multiplicity for solar type stars Relation between metallicity and multiplicity for solar type stars

Aug 1977

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1977natur.268..509b&link_type=abstract

Nature, vol. 268, Aug. 11, 1977, p. 509, 510.

Mathematics

Probability

9

Chemical Composition, Metallic Stars, Stellar Evolution, Abundance, Dwarf Stars, Giant Stars, High Speed, Hydrogen, Late Stars, Low Speed

Scientific paper

Statistical evidence exists for solar type stars that the ratio of heavy elements to hydrogen (metallicity) in a forming stellar system is correlated with the multiplicity of the resultant system. The metallicity may actually determine whether the system will be multiple or single. It is shown with the aid of a table that a metallicity-multiplicity correlation exists for both the high velocity and low velocity groups. It is concluded that the chemical composition of the star forming cloud is closely related to the probability of forming a multiple system.

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