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    A laboratory study of magnesium-tetrabenz-porphyrin - Lack of agreement with diffuse interstellar bands (1980)
    In:  Other Sources
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    Publication Date: 2011-08-17
    Description: The visible and infrared spectra and thermal behavior of the bis-pyridal-magnesium-tetrabenz-porphyrin molecule proposed as the carrier of the diffuse interstellar bands were measured. Of the six band coincidences reported by Johnson (1977), only one, 4430 A, occurs in these experiments. This coincidence requires a special environment, not likely to occur in interstellar space but the infrared spectrum does not support Johnson's vibrational scheme. These spectroscopic and thermal measurements contradict the hypothesis that this molecule causes the diffuse bands.
    Keywords: ASTROPHYSICS
    Type: Astrophysics and Space Science; 68; 1, Ma; Mar. 198
    Format: text
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