Observations of 40-70 micron bands of ice in IRAS 09371 + 1212 and other stars

Details Observations of 40-70 micron bands of ice in IRAS 09371 + 1212 and other stars Observations of 40-70 micron bands of ice in IRAS 09371 + 1212 and other stars

May 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990apj...355l..27o&link_type=abstract

Astrophysical Journal, Part 2 - Letters (ISSN 0004-637X), vol. 355, May 20, 1990, p. L27-L30.

Astronomy and Astrophysics

Astrophysics

67

Ice, Infrared Spectra, Interstellar Matter, Red Giant Stars, Stellar Envelopes, Calibrating, Cosmic Dust, Crystal Structure, Emissivity, Far Infrared Radiation

Scientific paper

IRAS 09371 + 1212 is still an absolutely unique object. This M giant star, with circumstellar CO and a spectacular bipolar nebula, displays unique IRAS FIR colors which had been attributed to strong emission in the 40-70-micron bands of ice, as subsequently supported by the observation of a strong 3.1-micron absorption band. The results of the KAO observations have confirmed its unusual nature: the far-infrared bands of ice are by far the strongest known. Its dust temperature, 50 K or less, is by far the lowest known for a late-type circumstellar envelope.

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