Anomalous extinction in the Cepheus OB 3 association

Details Anomalous extinction in the Cepheus OB 3 association Anomalous extinction in the Cepheus OB 3 association

Jun 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982esasp.176..375b&link_type=abstract

In ESA 3rd European IUE Conf. p 375-377 (SEE N83-11889 02-88)

Computer Science

Cepheus Constellation, Interstellar Extinction, Ultraviolet Radiation, Cosmic Dust, Goodness Of Fit, Graphite, Interstellar Matter, Parameterization, Silicates

Scientific paper

The UV extinction of the four brightest stars of the Cepheus OB 3 association was investigated. While the shape of the bump at 2200 A and the extinction at longer wavelengths are close to the mean interstellar curve, the behavior shortward of 2000 A is peculiar. A fit with theoretical extinction curves shows that a strong excess of graphite relative to silicates in the local component is required to explain observed extinction in the association.

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