Abstract
THE well-known researches on stellar spectra which have been carried on for many years at the Harvard College Observatory under the direction of Prof. E. C. Pickering have now reached another very definite stage. The publication of the Draper Catalogue in 1890 put us in possession of the general characteristics of the spectra of more than 10,000 stars, and this work will long remain a monument to the skill of Prof. Pickering, besides fulfilling its original purpose as a lasting memorial of Dr. Henry Draper (NATURE, vol. xlv. p. 427). Following this, a detailed description and classification of the spectra of 681 of the brighter stars north of –30°, based upon photographs taken with relatively large dispersion, was published in 1897 (NATURE, vol. lvi. p. 206). The establishment of a branch observatory in the southern hemisphere, at Arequipa, Peru, has enabled Prof. Pickering to extend the inquiry to the southern stars, with results described in the volume under notice.
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FOWLER, A. The Spectra of Bright Southern Stars 1 . Nature 65, 155–156 (1901). https://doi.org/10.1038/065155a0
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DOI: https://doi.org/10.1038/065155a0