The 3.07-micron ice band in the Taurus region

Details The 3.07-micron ice band in the Taurus region The 3.07-micron ice band in the Taurus region

Dec 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990a%26a...240..429b&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 240, no. 2, Dec. 1990, p. 429-432. Research supported by MPI and ASI.

Astronomy and Astrophysics

Astrophysics

16

Astronomical Spectroscopy, Ice, Infrared Spectra, Interstellar Matter, Spectral Bands, Taurus Constellation, Cosmic Dust, Stellar Envelopes, T Tauri Stars

Scientific paper

A new explanation is suggested for the complex 3.07-micron ice band observed in some objects in the Taurus region. The proposed carriers are grains with an organic refractory core, that would be responsible for the 3.4-micron long wavelength wing, and ice mantle on them, responsible for the absorption at the center of the band. This suggestion is based on a comparison of astronomical IR spectra with laboratory ones. The latter are obtained for water ice deposited on a previously synthesized organic substratum.

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