The abundance of manganese in halo stars.

Details The abundance of manganese in halo stars. The abundance of manganese in halo stars.

Sep 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988msngr..53...45g&link_type=abstract

The Messenger, vol. 53, p. 45-47

Computer Science

1

Halo Stars:Manganese

Scientific paper

The chemical composition of halo stars provides primary data about the nucleosynthesis processes that built up the metals present in young stars and in the interstellar medium. Theoretical information about the basic mechanisms of metal production are rather scarce. We know that only a tiny amount of metals was produced during the Big Bang; and we think that most of the heavy elements presently observed were manufactured in massive stars, or in intermediate-mass binaries, exploding as supernovae. However, the relative role of type I und type I1 (and/or type II b) supernovae is quite unknown. Furthermore, we do not know precisely the composition of the ejecta of such supernovae. Therefore, empirical data are still at the basis of an interpretation of the chemical evolution of our Galaxy.

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