Astronomy and Astrophysics – Astronomy
Scientific paper
Nov 1992
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992aj....104.2045c&link_type=abstract
Astronomical Journal (ISSN 0004-6256), vol. 104, no. 5, p. 2045-2052.
Astronomy and Astrophysics
Astronomy
49
Carbon Monoxide, Infrared Spectra, Instrument Compensation, Irradiance, Silicon Oxides, Stellar Spectra, Giant Stars, K Stars, M Stars
Scientific paper
Efforts are described to establish a network of calibrated infrared spectra of 'standard stars' suitable for calibration of at least low-resolution infrared spectrometers using ground-based, airborne, and satellite-borne broadband sensors. Emphasis is given to the crucial 5-8 micron region in K and M giants, where the fundamental bands of CO and SiO cause substantial departures from featureless pseudocontinua. The invalidity of the blackbody assumption in the thermal infrared regime is pointed out by demonstrating the importance of these molecular features in cold giants stars in the airborne infrared regime and illustrating their influence on spectra calibrated using blackbody assumptions.
Augason Gordon
Bregman Jesse
Carbon Duane F.
Cohen Martin
Goorvitch David
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