SN 1981C

supernova

Thing supernova Q9326782

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SN 1981C

Summary

SN 1981C is a supernova^[1].

Key Facts

SN 1981C is credited with the discovery of José María Maza Sancho^[2].
SN 1981C's instance of is recorded as supernova^[3].
SN 1981C's constellation is recorded as Centaurus^[4].
SN 1981C is part of Q1116896^[5].
SN 1981C's catalog code is recorded as SN 1981C^[6].
SN 1981C's time of discovery or invention is recorded as +1981-03-02T00:00:00Z^[7].
SN 1981C's apparent magnitude is recorded as {'unit': '1', 'amount': '+14.5'}^[8].
SN 1981C's apparent magnitude is recorded as {'unit': '1', 'amount': '+14.5'}^[9].
SN 1981C's right ascension is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+200.3000'}^[10].
SN 1981C's declination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '-43.7200'}^[11].
SN 1981C's epoch is recorded as J2000.0^[12].

Body

Definition and Type

SN 1981C's instance of is recorded as supernova^[3].

Use and Application

SN 1981C is part of Q1116896^[5].

⭐ Popularity Graph

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Quick Facts

Instance of supernova

Part of NGC 5090

Properties

Apparent magnitude unit: 1, amount: +14.5, unit: 1, amount: +14.5

Catalog code SN 1981C

Constellation Centaurus

Declination unit: www.wikidata.org, amount: -43.7200

Discoverer or inventor José María Maza Sancho

Epoch J2000.0

Imported from wholeness_audit_2026-05-02_v2

Right ascension unit: www.wikidata.org, amount: +200.3000

Time of discovery or invention March 2, 1981

External References (1)

Simbad id SN 1981C

References

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

Direct Wikidata claims

[3] ↑ Q9326782 — instance of (P31): supernova. SIMBAD. wikidata.org.
[4] ↑ Q9326782 — constellation (P59): Centaurus. VizieR. wikidata.org.
[2] ↑ Q9326782 — discoverer or inventor (P61): José María Maza Sancho. wikidata.org.
[5] ↑ Q9326782 — part of (P361): Q1116896. SIMBAD. wikidata.org.
[6] ↑ Q9326782 — catalog code (P528): SN 1981C. SIMBAD. wikidata.org.
[7] ↑ Q9326782 — time of discovery or invention (P575): +1981-03-02T00:00:00Z. wikidata.org.
[8] ↑ Q9326782 — apparent magnitude (P1215): {'unit': '1', 'amount': '+14.5'}. Asiago Supernova Catalogue (Version 2008-Mar). wikidata.org.
[9] ↑ Q9326782 — apparent magnitude (P1215): {'unit': '1', 'amount': '+14.5'}. SIMBAD. wikidata.org.
[10] ↑ Q9326782 — right ascension (P6257): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+200.3000'}. Sternberg Astronomical Institute supernova catalogue. wikidata.org.
[11] ↑ Q9326782 — declination (P6258): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '-43.7200'}. Sternberg Astronomical Institute supernova catalogue. wikidata.org.
[12] ↑ Q9326782 — epoch (P6259): J2000.0. Sternberg Astronomical Institute supernova catalogue. wikidata.org.

Class ancestry

[1] ↑ Q9326782 is an instance of supernova (Q3937) [P31, primary]. Wikidata. 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). SN 1981C. Retrieved May 7, 2026, from https://4ort.xyz/entity/q9326782

MLA “SN 1981C.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q9326782.

BibTeX

@misc{4ortxyz_q9326782_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{SN 1981C}}, year = {2026}, url = {https://4ort.xyz/entity/q9326782}, note = {Accessed: 2026-05-07}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): SN 1981C — https://4ort.xyz/entity/q9326782 (retrieved 2026-05-07)

Canonical URL: https://4ort.xyz/entity/q9326782 · Last refreshed: May 7, 2026