SN 2001D

supernova

Thing supernova Q9328109

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SN 2001D

Summary

SN 2001D is a supernova^[1].

Key Facts

SN 2001D's instance of is recorded as supernova^[2].
SN 2001D's constellation is recorded as Virgo^[3].
SN 2001D's spectral class is recorded as SN.II^[4].
SN 2001D is part of Q3711983^[5].
SN 2001D's catalog code is recorded as SN 2001D^[6].
SN 2001D's apparent magnitude is recorded as {'unit': '1', 'amount': '+17.6'}^[7].
SN 2001D's right ascension is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+176.212375'}^[8].
SN 2001D's declination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '-1.605111'}^[9].
SN 2001D's epoch is recorded as J2000.0^[10].

Body

Definition and Type

SN 2001D's instance of is recorded as supernova^[2].

Use and Application

SN 2001D is part of Q3711983^[5].

⭐ Popularity Graph

0/100 long tail

Quick Facts

Instance of supernova

Part of IC 728

Properties

Apparent magnitude unit: 1, amount: +17.6

Catalog code SN 2001D

Constellation Virgo

Declination unit: www.wikidata.org, amount: -1.605111

Epoch J2000.0

Imported from wholeness_audit_2026-05-02_v2

Right ascension unit: www.wikidata.org, amount: +176.212375

Spectral class SN.II

External References (1)

Simbad id SN 2001D

🏷️ Also known as

pl SN 2001d

References

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

Direct Wikidata claims

[2] ↑ Q9328109 — instance of (P31): supernova. SIMBAD. wikidata.org.
[3] ↑ Q9328109 — constellation (P59): Virgo. VizieR. wikidata.org.
[4] ↑ Q9328109 — spectral class (P215): SN.II. Asiago Supernova Catalogue. wikidata.org.
[5] ↑ Q9328109 — part of (P361): Q3711983. SIMBAD. wikidata.org.
[6] ↑ Q9328109 — catalog code (P528): SN 2001D. SIMBAD. wikidata.org.
[7] ↑ Q9328109 — apparent magnitude (P1215): {'unit': '1', 'amount': '+17.6'}. Asiago Supernova Catalogue (Version 2008-Mar). wikidata.org.
[8] ↑ Q9328109 — right ascension (P6257): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+176.212375'}. Supernova 2001D in IC 728. wikidata.org.
[9] ↑ Q9328109 — declination (P6258): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '-1.605111'}. Supernova 2001D in IC 728. wikidata.org.
[10] ↑ Q9328109 — epoch (P6259): J2000.0. Supernova 2001D in IC 728. wikidata.org.

Class ancestry

[1] ↑ Q9328109 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 2001D. Retrieved May 7, 2026, from https://4ort.xyz/entity/q9328109

MLA “SN 2001D.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q9328109.

BibTeX

@misc{4ortxyz_q9328109_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{SN 2001D}}, year = {2026}, url = {https://4ort.xyz/entity/q9328109}, note = {Accessed: 2026-05-07}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): SN 2001D — https://4ort.xyz/entity/q9328109 (retrieved 2026-05-07)

Canonical URL: https://4ort.xyz/entity/q9328109 · Last refreshed: May 7, 2026