Temperature Classification of the Spectra of Dysprosium (Dy i, Dy ii)

Journal of Research of the National Bureau of Standards. Section A, Physics and Chemistry
Arthur S KingCharlotte E Moore

Abstract

The Temperature Classifications are listed for 4584 lines of Dy i and Dy ii, as taken from an unpublished manuscript of the late A. S. King. In recording his observations, King used a wavelength list compiled mostly from the early literature. A homogeneous and extensive line list based on new observations has been prepared at the Lawrence Radiation Laboratory (LRL). King's data have been edited and adjusted by the present authors to fit the new wavelength list. In the Table, King's estimated intensities of Dy lines in the spectra of the Arc, Spark, and Furnace are given along with the Temperature Classification. Some of his earlier published work has been used to fill the gaps in this manuscript, which was forwarded to the late W. F. Meggers in 1956.

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