Abstract
Because of their deep potential wells elliptical galaxies provide an ideal venue to investigate the longterm exchanges of matter between gas and stars, a question of fundamental astronomical interest. Although star formation during the early history of elliptical galaxies was rapid and efficient, the metal abundance and its gradient in these galaxies indicates a multistage, dissipative, and rather complex initial transformation of gas into stars. During or following the initial conversion into stars, a massive gaseous outflow must have occurred. This is indicated by the large amount of iron-rich gas in elliptical-rich clusters, often exceeding the entire baryonic mass of all stellar matter within the cluster galaxies. This ejection was evidently driven by the large supernova rate in young stellar populations.
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Mathews, W.G. (1990). The Ins and Outs of Gas Flows in Elliptical Galaxies. In: Fabbiano, G., Gallagher, J.S., Renzini, A. (eds) Windows on Galaxies. Astrophysics and Space Science Library, vol 160. Springer, Dordrecht. https://doi.org/10.1007/978-94-009-0543-6_33
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DOI: https://doi.org/10.1007/978-94-009-0543-6_33
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