Diffuse interstellar absorption bands between 2.9 and 4.0 microns

Details Diffuse interstellar absorption bands between 2.9 and 4.0 microns Diffuse interstellar absorption bands between 2.9 and 4.0 microns

Nov 1981

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981natur.294..239a&link_type=abstract

Nature, vol. 294, Nov. 19, 1981, p. 239, 240.

Computer Science

56

Absorption Spectra, Infrared Absorption, Interstellar Extinction, Organic Compounds, Supergiant Stars, Crystals, Galactic Nuclei, Infrared Spectrophotometers, Interstellar Matter, Silicates, Telluric Lines

Scientific paper

The Galactic center obscured M supergiant IRS7, which has been used as a source against which to study interstellar absorption bands near the 3-micron wavelength, has yielded a 3.4-micron absorption band as evidence of an organic component among interstellar grains. A broad absorption trough is now reported between 2.9 and 4.0 microns, with numerous discrete features from 2.9 to 3.6 microns. The possibility of complex organic molecules as the cause of this absorption is considered.

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