NDLI: Spectral irradiance calibration in the infrared. part 6; 3-35 microns spectra of three southern standard stars

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Spectral irradiance calibration in the infrared. part 6; 3-35 microns spectra of three southern standard stars

Content Provider	NASA Technical Reports Server (NTRS)
Author	Salama, Alberto Metcalfe, Leo Bregman, Jesse D. Wooden, Diane H. Cohen, Martin Witteborn, Fred C.
Copyright Year	1996
Description	We present three new absolutely calibrated continuous stellar spectra from 3 to 35 microns, constructed as far as possible from actual observed spectral fragments taken from the Kuiper Airborne Observatory (KAO), and the IRAS Low Resolution Spectrometer (LRS). These stars- alpha(sup 1) Cen, alpha TrA, and epsilon Car-augment our previous archive of complete absolutely calibrated spectra for northern K and M giants. All these spectra have a common calibration pedigree. The wavelength coverage is ideal for calibration of many existing and proposed ground-based, airborne, and satellite sensors. KAO and IRAS data in the 15-30 micron range suggest that the spectra of cool giants are close to Rayleigh-Jeans slopes. Our observations of alpha(sup 1) Cen, absolutely calibrated via our adopted Sirius model, indicate an angular diameter in very good agreement with values in the literature, demonstrating 'closure' of the set of spectra within our absolute framework. We compare our observed alpha(sup 1) Cen spectrum with a published grid of theoretical models from Kurucz, and adopt a plausible theoretical shape, that fits our spectrum, as a secondary reference spectrum in the southern sky.
File Size	987129
Page Count	10
File Format	PDF
Alternate Webpage(s)	http://archive.org/details/NASA_NTRS_Archive_19970015298
Archival Resource Key	ark:/13960/t05x7836v
Language	English
Publisher Date	1996-07-01
Access Restriction	Open
Subject Keyword	Optics Stellar Spectra Airborne Equipment Calibrating Spectrometers Spectral Emission Satellite Observation Infrared Astronomy Satellite Continuous Spectra Kuiper Airborne Observatory Astronomy Southern Sky Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science
Content Type	Text
Resource Type	Article

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