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Strehl ratio

proportion of observed intensity to ideal intensity, in astronomical imaging
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Strehl ratio

Summary

Strehl ratio ranks in the top 2% of general entities by monthly Wikipedia readership (57 views/month).[1]

Key Facts

  • Strehl ratio's image is recorded as AO Strehl maps (eso0719d).jpg[2].
  • Karl Strehl is named after Strehl ratio[3].
  • Strehl ratio's subclass of is recorded as dimensionless quantity[4].
  • Strehl ratio's Commons category is recorded as Strehl ratio[5].
  • Strehl ratio's Freebase ID is recorded as /m/0cflky[6].
  • Strehl ratio's ISQ dimension is recorded as 1[7].
  • Strehl ratio's Microsoft Academic ID is recorded as 90416638[8].
  • Strehl ratio's Wolfram Language quantity ID is recorded as StrehlRatio[9].
  • Strehl ratio's quantity symbol is recorded as S[10].
  • Strehl ratio's OpenAlex ID is recorded as C90416638[11].

Why It Matters

Strehl ratio ranks in the top 2% of general entities by monthly Wikipedia readership (57 views/month).[1] It has Wikipedia articles in 10 language editions, a strong signal of global cultural recognition.[12]

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.
  4. [5] ↑ . wikidata.org.
  5. [6] ↑ . Freebase Data Dumps. wikidata.org.
  6. [7] ↑ . wikidata.org.
  7. [8] ↑ . wikidata.org.
  8. [9] ↑ . wikidata.org.
  9. [10] ↑ . wikidata.org.
  10. [11] ↑ . OpenAlex. Retrieved . docs.openalex.org. Provenance: wikidata.org.

Aggregate / graph-position facts

  1. [1] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [12] ↑ . Wikidata sitelinks. 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). Strehl ratio. Retrieved April 10, 2026, from https://4ort.xyz/entity/strehl-ratio
MLA “Strehl ratio.” 4ort.xyz Knowledge Graph, 4ort.xyz, 10 Apr. 2026, https://4ort.xyz/entity/strehl-ratio.
BibTeX @misc{4ortxyz_strehl-ratio_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Strehl ratio}}, year = {2026}, url = {https://4ort.xyz/entity/strehl-ratio}, note = {Accessed: 2026-04-10}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Strehl ratio — https://4ort.xyz/entity/strehl-ratio (retrieved 2026-04-10)

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