Dust extinction of the stellar continua in starburst galaxies: The Ultraviolet and optical extinction law

  title={Dust extinction of the stellar continua in starburst galaxies: The Ultraviolet and optical extinction law},
  author={Daniela Calzetti and Anne L. Kinney and Thaisa Storchi-Bergmann},
  journal={The Astrophysical Journal},
We analyze the International Ultraviolet Explorer (IUE) UV and the optical spectra of 39 starburst and blue compact galaxies in order to study the average properties of dust extinction in extended regions of galaxies. The optical spectra have been obtained using an aperture which matches that of IUE, so comparable regions within each galaxy are sampled. The data from the 39 galaxies are compared with five models for the geometrical distribution of dust, adopting as extinction laws both the… 
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