Galactic-wind effect on the chemical evolution of irregular galaxies: The problem of primordial-helium-abundance determination

Details Galactic-wind effect on the chemical evolution of irregular galaxies: The problem of primordial-helium-abundance determination Galactic-wind effect on the chemical evolution of irregular galaxies: The problem of primordial-helium-abundance determination

Nov 1994

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994arep...38..742p&link_type=abstract

Astronomy Reports, Volume 38, Issue 6, November 1994, pp.742-745

Astronomy and Astrophysics

Astronomy

Scientific paper

A method of determining primordial helium abundance using the observed
abundances of helium, nitrogen, and oxygen in the same galaxy is
proposed. The method is applied to 37 galaxies. The derived averaged
primordial helium abundance is equal to 0.224.

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