Inhomogeneous halo collapse and early Galactic chemical evolution - Globular cluster metallicities

Details Inhomogeneous halo collapse and early Galactic chemical evolution - Globular cluster metallicities Inhomogeneous halo collapse and early Galactic chemical evolution - Globular cluster metallicities

Aug 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991apj...376..520m&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 376, Aug. 1, 1991, p. 520-530. Research supported by NASA and DRET.

Astronomy and Astrophysics

Astrophysics

10

Chemical Evolution, Galactic Evolution, Globular Clusters, Metallicity, Milky Way Galaxy, Nuclear Astrophysics, Star Distribution

Scientific paper

A new solution to the observed Galactic globular cluster metallicity distribution is proposed by considering inhomogeneous collapse of a centrally condensed proto-Galaxy. In contrast to the standard one-zone model, it is shown that, for inhomogeneous models, the metallicity distribution can be reproduced without the need to decrease the nucleosynthetic yield for metal-poor stars. Chemical evolution in free fall is calculated analytically. A hybrid hydroparticle code is developed to study the effect of supernova induced pressure.

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