Interstellar extinction in the Small Magellanic Cloud

Details Interstellar extinction in the Small Magellanic Cloud Interstellar extinction in the Small Magellanic Cloud

Oct 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982mnras.201p...1n&link_type=abstract

Monthly Notices of the Royal Astronomical Society, vol. 201, Oct. 1982, p. 1P-6P.

Other

18

Cosmic Dust, Interstellar Extinction, Magellanic Clouds, Absorption Spectra, Iue

Scientific paper

IUE observations of three considerably reddened stars located near the core of the Small Magellanic Cloud and of two comparison stars which are also SMC members are presented. This region contains a considerable amount of dust. The UV spectrum of one of the reddened stars (BBB 338) shows the 2200-A wavelength feature characteristic of the Galactic extinction curve. This absorption feature is not obvious in the UV spectra of the other two reddened stars. Due to lack of a suitable comparison star it has not been possible to measure the UV extinction of BBB 338. The extinction curves derived for the other two reddened SMC members differ from the mean Galactic law in that they exhibit very weak or absent 2200-A wavelength and much higher values of far-UV extinction. These differences are greater than have been found for stars in the Large Magellanic Cloud, confirming earlier observations by others.

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