"Wilson-Bappu effect" meaning in English

See Wilson-Bappu effect in All languages combined, or Wiktionary

Noun

Etymology: Named after Olin Chaddock Wilson and Vainu Bappu. Head templates: {{en-noun|?}} Wilson-Bappu effect
  1. (astronomy, spectroscopy) The correlation between the measured width of the calcium II K emission line and the absolute visual magnitude of a star. Wikipedia link: Olin Chaddock Wilson, Vainu Bappu Categories (topical): Astronomy, Spectroscopy
    Sense id: en-Wilson-Bappu_effect-en-noun-PFmcssne Categories (other): English entries with incorrect language header, Pages with 1 entry, Pages with entries Topics: astronomy, natural-sciences
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This page is a part of the kaikki.org machine-readable English dictionary. This dictionary is based on structured data extracted on 2024-10-22 from the enwiktionary dump dated 2024-10-02 using wiktextract (eaa6b66 and a709d4b). The data shown on this site has been post-processed and various details (e.g., extra categories) removed, some information disambiguated, and additional data merged from other sources. See the raw data download page for the unprocessed wiktextract data.

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