NASA NTRS · 19830045160
Secondary standard stars for absolute spectrophotometry
Abstract
Based on an adopted absolute spectral energy distribution for the primary standard star Alpha Lyrae, absolute fluxes are given for the four very metal-deficient F type subdwarfs HD 19445, HD 84937, BD + 26.2606 deg, and BD + 17.4703 deg. Somewhat inferior data are also given for HD 140283. The data are given for 40-A bands and cover the wavelength range from 3080 A to 12,000 A. The four stars, all near magnitude 9 and distributed around the sky, are intended as secondary standards for absolute spectrophotometry.
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Oke, J. B., Gunn, J. E.. 1983-03-15. Secondary standard stars for absolute spectrophotometry. https://ntrs.nasa.gov/citations/19830045160
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