SN 2009by

supernova

Thing supernova Q9331192

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SN 2009by

Summary

SN 2009by is a supernova^[1].

Key Facts

SN 2009by's instance of is recorded as supernova^[2].
SN 2009by's constellation is recorded as Leo^[3].
SN 2009by's spectral class is recorded as SN.IIP:^[4].
SN 2009by is part of Q60225902^[5].
SN 2009by's catalog code is recorded as SN 2009by^[6].
SN 2009by's right ascension is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+168.484250'}^[7].
SN 2009by's declination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+4.299583'}^[8].
SN 2009by's epoch is recorded as J2000.0^[9].

Body

Definition and Type

SN 2009by's instance of is recorded as supernova^[2].

Use and Application

SN 2009by is part of Q60225902^[5].

⭐ Popularity Graph

0/100 long tail

Quick Facts

Instance of supernova

Part of Q60225902

Properties

Catalog code SN 2009by

Constellation Leo

Declination unit: www.wikidata.org, amount: +4.299583

Epoch J2000.0

Imported from wholeness_audit_2026-05-02_v2

Right ascension unit: www.wikidata.org, amount: +168.484250

Spectral class SN.IIP:

External References (2)

Google knowledge graph id /g/121j20rz

Simbad id SN 2009by

🏷️ Also known as

pl SN 2009BY

References

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

Direct Wikidata claims

[2] ↑ Q9331192 — instance of (P31): supernova. SIMBAD. wikidata.org.
[3] ↑ Q9331192 — constellation (P59): Leo. VizieR. wikidata.org.
[4] ↑ Q9331192 — spectral class (P215): SN.IIP:. Asiago Supernova Catalogue. wikidata.org.
[5] ↑ Q9331192 — part of (P361): Q60225902. SIMBAD. wikidata.org.
[6] ↑ Q9331192 — catalog code (P528): SN 2009by. SIMBAD. wikidata.org.
[7] ↑ Q9331192 — right ascension (P6257): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+168.484250'}. Asiago Supernova Catalogue. wikidata.org.
[8] ↑ Q9331192 — declination (P6258): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+4.299583'}. Asiago Supernova Catalogue. wikidata.org.
[9] ↑ Q9331192 — epoch (P6259): J2000.0. Asiago Supernova Catalogue. wikidata.org.

Class ancestry

[1] ↑ Q9331192 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 2009by. Retrieved May 7, 2026, from https://4ort.xyz/entity/q9331192

MLA “SN 2009by.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q9331192.

BibTeX

@misc{4ortxyz_q9331192_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{SN 2009by}}, year = {2026}, url = {https://4ort.xyz/entity/q9331192}, note = {Accessed: 2026-05-07}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): SN 2009by — https://4ort.xyz/entity/q9331192 (retrieved 2026-05-07)

Canonical URL: https://4ort.xyz/entity/q9331192 · Last refreshed: May 7, 2026