The ice band in IRAS 09371 + 1212

Details The ice band in IRAS 09371 + 1212 The ice band in IRAS 09371 + 1212

Mar 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988apj...326l..65g&link_type=abstract

Astrophysical Journal, Part 2 - Letters to the Editor (ISSN 0004-637X), vol. 326, March 15, 1988, p. L65-L68.

Astronomy and Astrophysics

Astronomy

26

Ice, Infrared Sources (Astronomy), Infrared Spectra, Interstellar Matter, Stellar Envelopes, Chemical Composition, Nebulae, Spectrum Analysis, Water

Scientific paper

Spectra from 2 to 4 μm of the unusual IRAS source 09371+1212, a bipolar nebula, reveal a deep H2O ice absorption band near 3.1 μm. No long-wavelength wing is present, implying that the absorbing grain mantles are of high purity. The structure of the absorption feature is reasonably well modeled by a mixture of amorphous and crystalline H2O ice mantles on silicate grains, but discrepancies remain that could indicate other absorbers also.

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