Unusual relative strengths of the diffuse interstellar bands in some interstellar dust clouds

Details Unusual relative strengths of the diffuse interstellar bands in some interstellar dust clouds Unusual relative strengths of the diffuse interstellar bands in some interstellar dust clouds

Oct 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986inpr.conf..125k&link_type=abstract

In NASA. Ames Research Center Summer School on Interstellar Processes: Abstracts of Contributed Papers p 125-126 (SEE N87-15043

Other

Cosmic Dust, Interstellar Extinction, Interstellar Matter, Molecular Clouds, Signal To Noise Ratios, Spectrum Analysis, Stellar Color

Scientific paper

Some of the diffuse interstellar features (DIBs) in the spectra of certain stars at high galactic latitudes (1 is greater than 15 degrees) are unusually weak or absent while others have the strength expected for their color excess. In some cases the stars are probably reddened by single interstellar clouds. There appear to be three families of DIBs. The effects of these families are examined. The existance of the three families implies that at least three agents cause the DIBs and that the proportions of the agents or the physical conditions giving rise to the DIBs can vary from cloud to cloud.

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