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Infrared diffuse interstellar bands
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DOI：10.1093/mnras/stx330.png)
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Abstract
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We present high-resolution (R similar to 45000) profiles of 14 diffuse interstellar bands in the similar to 1.45 to similar to 2.45 mu m range based on spectra obtained with the Immersion Grating INfrared Spectrograph at the McDonald Observatory. The revised list of diffuse bands with accurately estimated rest wavelengths includes six new features. The diffuse band at 15 268.2 angstrom demonstrates a very symmetric profile shape and thus can serve as a reference for finding the 'interstellar correction' to the rest wavelength frame in the H range, which suffers from a lack of known atomic/molecular lines.
Keywords:
ISM: clouds
ISM: lines and bands
ISM: molecules
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