Home › Entities › arc › meridian arc

meridian arc

series of accurate measurements to determine the shape of a meridian
Class type of: arc Q1921708

Facts

5 properties
Subclass of
arc[1]
Has use
measurement[2]
Defining formula
m(\varphi) =\int_0^\varphi M(\varphi) \, d\varphi = a(1 - e^2)\int_0^\varphi \left(1 - e^2 \sin^2 \varphi \right)^{-\frac32} \, d\varphi
In defining formula
\varphi
Maintained by WikiProject
WikiProject Mathematics[3]
🏷️ Also known as
en meridian arc de Meridianbogen es Arco de meridiano es Arco de latitud fi meridiaanikaari fr arc de méridien he קשת המרידיאן ja 子午線弧 nl meridiaanboog pt meridiano (geodesia) ru меридиональная дуга sv meridianbåge zh 子午弧 zh 子午線弧
🔖 Identifiers · 2
Freebase ID
/m/03qp8bv
Microsoft Academic ID (discontinued)
59872731

Report an error or request removal Lineage (PROV-JSON)

🔗 Connections
Examples 1
Struve Geodetic Arc
Has use 1
measurement
Maintained by WikiProject 1
WikiProject Mathematics
Subclass of 1
arc
Press Enter · cited answer in seconds

References

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

Direct Wikidata claims

  1. [1] ↑ . wikidata.org.
  2. [2] ↑ . wikidata.org.
  3. [3] ↑ . 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). meridian arc. Retrieved November 1, 2026, from https://4ort.xyz/entity/meridian-arc
MLA “meridian arc.” 4ort.xyz Knowledge Graph, 4ort.xyz, 1 Nov. 2026, https://4ort.xyz/entity/meridian-arc.
BibTeX @misc{4ortxyz_meridian-arc_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{meridian arc}}, year = {2026}, url = {https://4ort.xyz/entity/meridian-arc}, note = {Accessed: 2026-11-01}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): meridian arc — https://4ort.xyz/entity/meridian-arc (retrieved 2026-11-01)

Canonical URL: https://4ort.xyz/entity/meridian-arc · 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. 14d ago · Fgnievinski · 2026-10-20 view diff on Wikidata ↗
    Maintained by WikiProject → WikiProject Mathematics
    Subclass of → arc
    Wikipedia languages → ['ca', 'de', 'en', 'es', 'fr', 'ja', 'pt', 'ru', 'simple']
    Subclass of → —
    + 3 other properties edited (see Wikidata diff for full list)
    "/* wbsetclaim-create:2||1 */ In defining formula: $\phi$"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.