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H-alpha

specific hydrogen spectral line in the Balmer series
Thing spectral_line Q585943
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H-alpha

Summary

H-alpha is a spectral line[1]. H-alpha draws 197 Wikipedia views per month (spectral_line category, ranking #2 of 5).[2]

Key Facts

  • H-alpha's instance of is recorded as spectral line[3].
  • H-alpha's Commons category is recorded as H-alpha[4].
  • H-alpha's Freebase ID is recorded as /m/025qyy[5].
  • H-alpha's Encyclopædia Britannica Online ID is recorded as science/Balmer-alpha-line[6].
  • H-alpha's Microsoft Academic ID is recorded as 180119722[7].
  • H-alpha's OpenAlex ID is recorded as C180119722[8].

Why It Matters

H-alpha draws 197 Wikipedia views per month (spectral_line category, ranking #2 of 5).[2] H-alpha has Wikipedia articles in 17 language editions, a strong signal of global cultural recognition.[9] H-alpha is known by 10 alternative names across languages and contexts.[10]

References

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

Direct Wikidata claims

  1. [3] ↑ . wikidata.org.
  2. [4] ↑ . wikidata.org.
  3. [5] ↑ . Freebase Data Dumps. wikidata.org.
  4. [6] ↑ . wikidata.org.
  5. [7] ↑ . wikidata.org.
  6. [8] ↑ . OpenAlex. Retrieved . docs.openalex.org. Provenance: 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.
  3. [10] ↑ . 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). H-alpha. Retrieved May 3, 2026, from https://4ort.xyz/entity/h-alpha
MLA “H-alpha.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/h-alpha.
BibTeX @misc{4ortxyz_h-alpha_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{H-alpha}}, year = {2026}, url = {https://4ort.xyz/entity/h-alpha}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): H-alpha — https://4ort.xyz/entity/h-alpha (retrieved 2026-05-03)

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