Contributions of supernovae to the chemical and dynamical evolution of the ism

descriptionPublicationkeyboard_double_arrow_right Part of book or chapter of book , Article 01 Jan 1989 English Publisher:Springer Berlin HeidelbergJournal:International Astronomical Union Colloquium, volume 120, pages 530-535 (issn: 0252-9211,

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Authors: Virginia Trimble;

doi: 10.1007/bfb0114928 , 10.1017/s0252921100024350

Contributions of supernovae to the chemical and dynamical evolution of the ism

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Abstract

ABSTRACT:Supernovae of Types Ia, Ib, and II contribute, on average, 1051 ergs of turbulent energy to the interstellar medium for each 2 Mo of new heavy elements. This permits a dynamical extension of the homogeneous one-zone model (with constant IMF and instantaneous recycling) that is familiar from studies of galactic chemical evolution. Chemically possible scenarios predict current kinetic energy inputs ranging from 1039 to 1040 erg yr−1 per solar mass of interstellar gas. Dynamical studies might narrow this.

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