High-spectral-resolution observations of the 7.7-micron feature in HD 44179

Details High-spectral-resolution observations of the 7.7-micron feature in HD 44179 High-spectral-resolution observations of the 7.7-micron feature in HD 44179

Feb 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982pasp...94...97r&link_type=abstract

Astronomical Society of the Pacific, Publications, vol. 94, Feb. 1982, p. 97-101.

Astronomy and Astrophysics

Astronomy

4

High Resolution, Infrared Stars, Moon, Nebulae, Spectral Resolution, Astronomical Spectroscopy, Atmospheric Attenuation, Emission Spectra, Infrared Astronomy, Infrared Spectroscopy, Methane, Telluric Lines

Scientific paper

Observations of the moon and HD 44179 were obtained in the wavelength range of 7.5-8.5 microns at a resolving power of approximately 800. The spectrum of the moon shows absorptions caused by telluric methane. Use of the moon as a calibrator is effective in removing these atmospheric lines. The spectrum of HD 44179 shows that the 7.7-micron emission feature does not break up into discrete, resolved emission features. Instead, it must be a broad, apparently continuous, emission feature.

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