Abstract
THE emergence of a displaced B-type absorption spectrum at the end of February, coupled with a drop in brightness to 3.5m–4.0m, suggests that, after a most unusual life-history of two months, the nova is now developing along more normal lines. Accompanying the O II and N II absorption lines—displaced with a velocity of about 900 km./sec.—there is to be seen an undisplaced bright band of [N II] at 5755.56. This can be traced back on the spectrograms to January 22.
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NATURE, 135, 346; 1935.
Pub. of the Lick Obs., 14, 12; 1920.
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BEER, A., STRATTON, F. Spectrum of Nova Herculis, 1934. Nature 135, 433 (1935). https://doi.org/10.1038/135433b0
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DOI: https://doi.org/10.1038/135433b0
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