The peculiar extinction of Herschel 36

Details The peculiar extinction of Herschel 36 The peculiar extinction of Herschel 36

Oct 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982stin...8310998d&link_type=abstract

Unknown

Mathematics

Extinction, Interstellar Matter, O Stars, Ultraviolet Spectra, Cosmic Dust, Granular Materials, Graphite, Iue, Permittivity, Silicates

Scientific paper

The extinction of Herschel 36 was measured and found to be peculiar in the same sense as that observed in Orion. Following the treatment of Mathis and Wallenhorst, this can be explained by the presence of large silicate and graphite grains than are normally found in the interstellar medium. Correcting the stellar flux for foreground extinction results in a residual extinction curve for the associated dust cloud, with an unusually small normalized extinction (less than 1.0) at 1500 A. This low UV extinction may be due to the effects of scattering by the dust cloud material.

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