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The initial mass function for early-type stars in starburst galaxies
The Astronomical Journal1987Vol. 94, pp. 644–644
Citations Over TimeTop 14% of 1987 papers
Abstract
The IMF slope of early-type stars in starburst galaxies is investigated using IUE observations and a technique that utilizes mass-linewidth relations for early-type stars. Fourteen low-resolution IUE spectra of eight starburst galaxies and three H II region galaxies are used to obtain line-strength ratios Si IV (λ1400)/C IV (λ1550). These are compared to model line ratios, and indicate that the average IMF slope for OB stars in these intense star-formation regions is appreciably flatter than that of the solar neighborhood.
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