Actions for Detection of the 2165 Inverse Centimeter (4.619 Micron) XCN Band in the Spectrum of L1551 IRS 5.

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Detection of the 2165 Inverse Centimeter (4.619 Micron) XCN Band in the Spectrum of L1551 IRS 5.

Author
Rettig, Terrence W.
Published
Jul. 01, 1993.
Physical Description
1 electronic document
Additional Creators
Tegler, Stephen C., Sandford, Scott A., Weintraub, David A., Campins, Humberto, and Allamandola, Louis J.
Online Version

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Unclassified, Unlimited, Publicly available.
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Summary
We report the detection of a broad absorption band at 2165 cm (4.619 microns) in the spectrum of L1551 IRS 5. New laboratory results over the 2200-2100 /cm wavenumber interval (4.55-4.76 microns), 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 (both in nonpolar and polar matrices) through absorption bands at 2140 /cm (4.67 microns) and 2135 /cm (4.68 microns). The relative abundance of solid-state CO to frozen H2O is approx. 0.13 while the abundance of XCN seems comparable to that of frozen CO.
Other Subject(s)
Collection
NASA Technical Reports Server (NTRS) Collection.
Note
Document ID: 19980215573.
NAS 1.26:208190.
NASA/CR-1993-208190.
Astrophysical Journal; Volume 411; 260-265.
Terms of Use and Reproduction
Copyright, Distribution as joint owner in the copyright.
View MARC record | catkey: 15645002