Abstract
IN a letter entitled “Very Small Intensity of the Red OI Triplet during the Auroral Displays of September 14–16”, Vegard1 has from his observations concluded that the intensities of the red auroral line 6300 A. and of the red positive group of nitrogen were very weak at that occasion.
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References
Vegard, NATURE, 142, 831 (1938).
Störmer, NATURE, 142, 1034 (1938).
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STÖRMER, C. Red Auroral Lines on September 14–16. Nature 143, 117 (1939). https://doi.org/10.1038/143117a0
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DOI: https://doi.org/10.1038/143117a0
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