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Period-luminosity relation

distance measure in astronomy using the period of variable stars to find their absolute brightness
Thing general Q3424054
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Period-luminosity relation

Summary

Period-luminosity relation ranks in the top 2% of general entities by monthly Wikipedia readership (259 views/month).[1]

Key Facts

  • Period-luminosity relation is credited with the discovery of Henrietta Swan Leavitt[2].
  • Period-luminosity relation is a type of cosmic distance ladder[3].
  • Period-luminosity relation's Commons category is recorded as Cepheid period-luminosity relations[4].

Body

Definition and Type

Period-luminosity relation is a type of cosmic distance ladder[3].

Why It Matters

Period-luminosity relation ranks in the top 2% of general entities by monthly Wikipedia readership (259 views/month).[1] It has Wikipedia articles in 9 language editions, a strong signal of global cultural recognition.[5] It is known by 7 alternative names across languages and contexts.[6]

Related Entities

Henrietta Swan Leavitt

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [2] ↑ . wikidata.org.
  2. [3] ↑ . wikidata.org.
  3. [4] ↑ . wikidata.org.

Aggregate / graph-position facts

  1. [1] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [5] ↑ . Wikidata sitelinks. wikidata.org.
  3. [6] ↑ . Wikidata aliases. wikidata.org.

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). Period-luminosity relation. Retrieved April 10, 2026, from https://4ort.xyz/entity/period-luminosity-relation
MLA “Period-luminosity relation.” 4ort.xyz Knowledge Graph, 4ort.xyz, 10 Apr. 2026, https://4ort.xyz/entity/period-luminosity-relation.
BibTeX @misc{4ortxyz_period-luminosity-relation_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Period-luminosity relation}}, year = {2026}, url = {https://4ort.xyz/entity/period-luminosity-relation}, note = {Accessed: 2026-04-10}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Period-luminosity relation — https://4ort.xyz/entity/period-luminosity-relation (retrieved 2026-04-10)

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Edit History

Rolling log of changes to this entity's Wikidata record. Values shown reflect the current state of each edited property — follow the history link to see the precise diff for any edit.

  1. 12d ago · Nyuhn · 2026-07-10 view diff on Wikidata ↗
    P14541 → 1gxVOt
    Aliases → —
    Discoverer or inventor → Henrietta Swan Leavitt
    Subclass of → —
    + 1 other property edited (see Wikidata diff for full list)
    "/* wbeditentity-update:0| */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/40849|batch #40849]]: ZGBK ID"
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