Pickering series

proper noun

Three lines of singly ionized helium found, usually in absorption, in the spectra of hot stars, produced by transitions of an electron with principal quantum number n=4 state from a higher energy level.

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Meanings

proper noun
  1. Three lines of singly ionized helium found, usually in absorption, in the spectra of hot stars, produced by transitions of an electron with principal quantum number n=4 state from a higher energy level.

Origin

Named after Edward Charles Pickering.

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Cite this entry
APA

Pickering series. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/Pickering%20series

MLA

“Pickering series.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/Pickering%20series. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “Pickering series,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/Pickering%20series.

Source: Pickering series on Wiktionary, CC BY-SA 4.0.