Abstract
It is shown that Mie theory predictions of extinction for pure water-ice with the optical constant measured at 100 K do not fit in detail the observed ‘ice’ absorption feature in infrared objects, although we attempt to explain the observations by considering size distribution and shape of the grains.
In addition, based on a similarity between the ‘ice’ band and the absorption band found in carbon stars, we feel it is questionable whether or not the ‘ice’ band can really be attributed to the interstellar water-ice.
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Mukai, T., Mukai, S. & Noguchi, K. Is water-ice the carrier of the 3μm-absorption in infrared objects?. Astrophys Space Sci 53, 77–84 (1978). https://doi.org/10.1007/BF00645905
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DOI: https://doi.org/10.1007/BF00645905