SN 1999ex

supernova

Thing supernova Q9327864

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SN 1999ex

Summary

SN 1999ex is a supernova^[1].

Key Facts

SN 1999ex's instance of is recorded as supernova^[2].
SN 1999ex's constellation is recorded as Grus^[3].
SN 1999ex's spectral class is recorded as SNIb^[4].
SN 1999ex's part of is recorded as Q3680393^[5].
SN 1999ex's catalog code is recorded as SN 1999ex^[6].
SN 1999ex's apparent magnitude is recorded as {'unit': '1', 'amount': '+17.35'}^[7].
SN 1999ex's radial velocity is recorded as {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '+3280'}^[8].
SN 1999ex's SIMBAD ID is recorded as SN 1999ex^[9].
SN 1999ex's right ascension is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+334.030292'}^[10].
SN 1999ex's declination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '-36.848250'}^[11].
SN 1999ex's epoch is recorded as J2000.0^[12].

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Quick Facts

Instance of supernova

Part of IC 5179

Properties

Apparent magnitude unit: 1, amount: +17.35

Catalog code SN 1999ex

Constellation Grus

Declination unit: www.wikidata.org, amount: -36.848250

Epoch J2000.0

Imported from wholeness_audit_2026-05-02_v2

Radial velocity unit: www.wikidata.org, amount: +3280

Right ascension unit: www.wikidata.org, amount: +334.030292

Spectral class SNIb

External References (1)

Simbad id SN 1999ex

🏷️ Also known as

pl SN 1999EX

References

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

Direct Wikidata claims

[2] ↑ Q9327864 — instance of (P31): supernova. SIMBAD. wikidata.org.
[3] ↑ Q9327864 — constellation (P59): Grus. VizieR. wikidata.org.
[4] ↑ Q9327864 — spectral class (P215): SNIb. Asiago Supernova Catalogue. wikidata.org.
[5] ↑ Q9327864 — part of (P361): Q3680393. SIMBAD. wikidata.org.
[6] ↑ Q9327864 — catalog code (P528): SN 1999ex. SIMBAD. wikidata.org.
[7] ↑ Q9327864 — apparent magnitude (P1215): {'unit': '1', 'amount': '+17.35'}. Asiago Supernova Catalogue (Version 2008-Mar). wikidata.org.
[8] ↑ Q9327864 — radial velocity (P2216): {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '+3280'}. Gamma-ray bursts associated with supernovae: a systematic analysis of BATSE GRB candidates. wikidata.org.
[9] ↑ Q9327864 — SIMBAD ID (P3083): SN 1999ex. SIMBAD. wikidata.org.
[10] ↑ Q9327864 — right ascension (P6257): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+334.030292'}. Supernova 1999ex in IC 5179. wikidata.org.
[11] ↑ Q9327864 — declination (P6258): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '-36.848250'}. Supernova 1999ex in IC 5179. wikidata.org.
[12] ↑ Q9327864 — epoch (P6259): J2000.0. Supernova 1999ex in IC 5179. wikidata.org.

Class ancestry

[1] ↑ Q9327864 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 1999ex. Retrieved May 7, 2026, from https://4ort.xyz/entity/q9327864

MLA “SN 1999ex.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q9327864.

BibTeX

@misc{4ortxyz_q9327864_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{SN 1999ex}}, year = {2026}, url = {https://4ort.xyz/entity/q9327864}, note = {Accessed: 2026-05-07}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): SN 1999ex — https://4ort.xyz/entity/q9327864 (retrieved 2026-05-07)

Canonical URL: https://4ort.xyz/entity/q9327864 · Last refreshed: May 7, 2026