Astronomy and Astrophysics – Astrophysics
Scientific paper
Jun 1975
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1975a%26a....41..175i&link_type=abstract
Astronomy and Astrophysics, vol. 41, no. 2, June 1975, p. 175-182. Deutsche Forschungsgemeinschaft
Astronomy and Astrophysics
Astrophysics
56
Interstellar Extinction, Magellanic Clouds, Stellar Spectrophotometry, Supergiant Stars, Ubv Spectra, Cosmic Dust, Early Stars, Electrophotometry, Interstellar Matter, Late Stars, Star Distribution
Scientific paper
Interstellar reddening is determined for each of 702 supergiants in the Large Magellanic Cloud from a two-color diagram for early-type stars and the intrinsic colors of intermediate and late-type stars. A considerable amount of interstellar reddening is indicated by the scatter in the diagram, and the space distribution of the brightest stars is shown to be similar to that of the most reddened stars. The distribution of interstellar dust is found to be dominated by the 30 Doradus association, and it is suggested that the entire association may be embedded in a huge dust-cloud complex. Stars with a high degree of reddening are shown to be strongly concentrated in regions of enhanced neutral-hydrogen density. Stars having color excesses of at least 0.30 m are discussed individually.
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