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spectral index

measure of the dependence of radiative flux density on frequency (astronomical term)
Event measurement Q2280060
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spectral index

Summary

spectral index is a measurement[1]. It draws 14 Wikipedia views per month (measurement category, ranking #19 of 30).[2]

Key Facts

  • spectral index's instance of is recorded as measurement[3].
  • spectral index's Freebase ID is recorded as /m/0fynmr[4].
  • spectral index's Unified Astronomy Thesaurus ID is recorded as 1553[5].
  • spectral index's Microsoft Academic ID is recorded as 42061751[6].
  • spectral index's OpenAlex ID is recorded as C42061751[7].
  • spectral index's Great Russian Encyclopedia portal ID is recorded as spektral-nyi-indeks-e4230b[8].

Why It Matters

spectral index draws 14 Wikipedia views per month (measurement category, ranking #19 of 30).[2] It has Wikipedia articles in 8 language editions, a strong signal of global cultural recognition.[9]

References

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

Direct Wikidata claims

  1. [3] ↑ . wikidata.org.
  2. [4] ↑ . Freebase Data Dumps. wikidata.org.
  3. [5] ↑ . wikidata.org.
  4. [6] ↑ . wikidata.org.
  5. [7] ↑ . OpenAlex. Retrieved . docs.openalex.org. Provenance: wikidata.org.
  6. [8] ↑ . wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [9] ↑ . 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). spectral index. Retrieved May 3, 2026, from https://4ort.xyz/entity/spectral-index
MLA “spectral index.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/spectral-index.
BibTeX @misc{4ortxyz_spectral-index_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{spectral index}}, year = {2026}, url = {https://4ort.xyz/entity/spectral-index}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): spectral index — https://4ort.xyz/entity/spectral-index (retrieved 2026-05-03)

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