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Pickering series |
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Pickering series [′pik·riŋ ‚sir·ēz] (spectroscopy) A series of spectral lines of singly ionized helium, observed in very hot O-type stars, associated with transitions between the level with principal quantum numbern= 4 and higher energy levels. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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