Abstract
IN NATURE, December 23, 1915, and in the third Bulletin of the Hill Observatory, I referred to the shape of the temperature curve which I had published in connection with the meteoritic hypothesis, and I pointed out that if we could deal with a large number of stars, a generalised temperature curve might be placed before us by considering the number of stars in the various groups, for reason that the longer a star remained at about the same temperature, the larger would be the number of stars in that group, while a rapid rise of temperature would reduce the number. I gave the curves thus produced by discussion of the stars included in the catalogue of the 470 brighter stars published in 1902, and in the later catalogue of the 354 less bright stars catalogued at the Hill Observatory.
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LOCKYER, N. Notes on Stellar Classification. Nature 103, 484–486 (1919). https://doi.org/10.1038/103484a0
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DOI: https://doi.org/10.1038/103484a0