Astronomy and Astrophysics – Astrophysics
Scientific paper
Jul 1989
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989ap%26ss.157...89c&link_type=abstract
(Instituto de Astrofisica de Canarias and Comision Interministerial de Ciencia y Tecnologia, Summer School on Evolutionary Pheno
Astronomy and Astrophysics
Astrophysics
4
Elliptical Galaxies, Star Distribution, Stellar Spectrophotometry, Astronomical Maps, Dwarf Galaxies
Scientific paper
A cyclical approximation of the evolutionary synthesis of stellar populations has been developed into a general solution for the mass and time-dependence of the 'birth function' of stars. The general solution allows introduction of a function, G(t), which is the ratio of gas injected into a defined region to that which form stars in the same time interval, at time t. On the basis of this direct relation of the output of dying stars with the formation of the next generation, analytical approximations can be made to the macroscopic evolution of stellar populations in a well-defined zone of a galaxy. This is presently demonstrated for the cases of four zones of the dwarf elliptical M32.
Beckman John E.
Casuso Emilio
Cepa Jordi
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