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Unformatted text preview: NGC 7714 from the Kennicutt spectral atlas: The role of reddening and obscuration in starbursts is complex, and makes detailed interpretation of their continuum and emission-line properties complicated. Calzetti et al. (1994 ApJ 429, 582) derived an effective reddening law, including effects of scattering and the mix of stars and dust, which changes systematically depending on the metallicity of the system and the far-IR fraction. There is evidence that the reddening of the gas and stars is systematically different, perhaps due to dust associated specifically with the gas emission regions, and there is different weighting of gas along the line of sight for different lines, reflecting density and reddening structure....
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