Home › Entities › general › right ascension

right ascension

astronomical equivalent of longitude
Thing general Q13442
Press Enter · cited answer in seconds

Summary

right ascension ranks in the top 2% of general entities by monthly Wikipedia readership (3,088 views/month).[1]

Key Facts

  • Subclass of: angular measure[2]
  • Part of: second equatorial coordinate system[3]
  • Commons category: Equatorial coordinate system[4]
  • Opposite of: declination[5]
  • Described by source: Encyclopædia Britannica 11th edition[6], The New Student's Reference Work[7], Brockhaus and Efron Encyclopedic Dictionary[8]
  • Topic has template: Template:RA[9]
  • Main Wikidata property: P6257[10]
  • On focus list of Wikimedia project: Wikipedia:Vital articles/Level/4[11]
  • Lower limit: 0 degree[12], 0 hour of right ascension[13]
  • Upper limit: 360 degree[14], 24 hour of right ascension[15]

Why It Matters

right ascension has Wikipedia articles in 30 language editions, a strong signal of global cultural recognition.[16] It is known by 46 alternative names across languages and contexts.[17]

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] ↑ . wikidata.org.
  6. [7] ↑ . wikidata.org.
  7. [8] ↑ . wikidata.org.
  8. [9] ↑ . wikidata.org.
  9. [10] ↑ . wikidata.org.
  10. [11] ↑ . wikidata.org.
  11. [12] ↑ . wikidata.org.
  12. [13] ↑ . wikidata.org.
  13. [14] ↑ . wikidata.org.
  14. [15] ↑ . wikidata.org.

Aggregate / graph-position facts

  1. [1] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [16] ↑ . Wikidata sitelinks. wikidata.org.
  3. [17] ↑ . 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). right ascension. Retrieved October 18, 2026, from https://4ort.xyz/entity/right-ascension
MLA “right ascension.” 4ort.xyz Knowledge Graph, 4ort.xyz, 18 Oct. 2026, https://4ort.xyz/entity/right-ascension.
BibTeX @misc{4ortxyz_right-ascension_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{right ascension}}, year = {2026}, url = {https://4ort.xyz/entity/right-ascension}, note = {Accessed: 2026-10-18}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): right ascension — https://4ort.xyz/entity/right-ascension (retrieved 2026-10-18)

Canonical URL: https://4ort.xyz/entity/right-ascension · Last refreshed:

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. 17d ago · JAnDbot bot · 2026-10-01 view diff on Wikidata ↗
    Wikipedia languages → ['af', 'ar', 'arz', 'ast', 'az', 'ba', 'be', 'be_x_old', 'bg', 'bn', 'bs', 'ca',
    Commons category → Equatorial coordinate system
    Sitelink count → 77
    Claims rich → —
    "/* wbsetclaim-create:2||1 */ Commons category: Equatorial coordinate system, Import Commons category"
  2. 5w ago · عُثمان · 2026-09-10 view diff on Wikidata ↗
    Wurvoc.org measure id → Right_ascension
    Subclass of → —
    Main wikidata property → P6257
    Opposite of → declination
    + 9 other properties edited (see Wikidata diff for full list)
    "/* wbsetclaim-create:1||1 */ Wurvoc.org measure id: Right_ascension, Matched to [[:toollabs:mix-n-match/#/entry/14009251|right ascension (#14009251)]] in [[:toollabs:mix-n-match/#/catalog/281|Wurvoc.o"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.