Other
Scientific paper
Nov 1990
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990rmxaa..21..236r&link_type=abstract
Revista Mexicana de Astronomia y Astrofisica, Vol. 21, p. 236 - 240
Other
5
Starburst Galaxies: Initial Mass Function, Starburst Galaxies: Photoionization, Starburst Galaxies: Stellar Populations
Scientific paper
The authors present an analysis of the massive stellar population in 8 starburst galaxies and 4 blue compact galaxies based on the equivalent widths of the UV P Cygni lines Si IV λ1400 Å and C IV λ1550 Å reported (in part) by Sekiguchi and Anderson (1987). These lines are characteristic of early OB stars and represent good indicators of the massive stellar content. Based on this analysis the authors estimate the mean ionizing effective temperature and compare these results with photoionization models. The photoionization models indicate larger metallicities than those derived by the other methods. The authors also found that in the lower metallicity stellar systems there is a larger proportion of massive stars or a larger upper mass limit for the present day mass function. This second possibility seems to agree better with photoionization models.
Firmani Claudio
Robledo-Rella V.
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