Detection of the 2165 inverse centimeter (4.619 micron) XCN band in the spectrum of L1551 IRS 5

Details Detection of the 2165 inverse centimeter (4.619 micron) XCN band in the spectrum of L1551 IRS 5 Detection of the 2165 inverse centimeter (4.619 micron) XCN band in the spectrum of L1551 IRS 5

Jul 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993apj...411..260t&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 411, no. 1, p. 260-265.

Astronomy and Astrophysics

Astrophysics

48

Carbon Monoxide, Cyano Compounds, Infrared Spectroscopy, Interstellar Matter, Molecular Clouds, Spectral Bands, Cosmic Dust, Ice, Methane, Methyl Alcohol, Pre-Main Sequence Stars

Scientific paper

We report the detection of a broad absorption band at 2165/cm in the spectrum of L1551 IRS 5. New laboratory results over the 2200-2100/cm wavenumber interval, performed with realistic interstellar ice analogs, suggest that this feature is due to a CN-containing compound. We will refer to this compound as XCN. We also confirm the presence of frozen CO through absorption bands at 2140/cm and 2135/cm. The relative abundance of solid state CO to frozen H2O is about 0.13 while the abundance of XCN seems comparable to that of frozen CO.

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