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SN 2004ef

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SN 2004ef

Summary

SN 2004ef is a supernova[1].

Key Facts

  • SN 2004ef is credited with the discovery of Tom Boles[2].
  • SN 2004ef is credited with the discovery of Mark Armstrong[3].
  • SN 2004ef's instance of is recorded as supernova[4].
  • SN 2004ef's constellation is recorded as Pegasus[5].
  • SN 2004ef's spectral class is recorded as SN.Ia[6].
  • SN 2004ef is part of Q9364003[7].
  • SN 2004ef's catalog code is recorded as SN 2004ef[8].
  • SN 2004ef's catalog code is recorded as 2MASS J22421053+1959489[9].
  • SN 2004ef's time of discovery or invention is recorded as +2004-09-04T00:00:00Z[10].
  • SN 2004ef's redshift is recorded as {'unit': '1', 'amount': '+0.0326'}[11].
  • SN 2004ef's redshift is recorded as {'unit': '1', 'amount': '+0.0325'}[12].
  • SN 2004ef's redshift is recorded as {'unit': '1', 'amount': '+0.0317'}[13].
  • SN 2004ef's redshift is recorded as {'unit': '1', 'amount': '+0.0280'}[14].
  • SN 2004ef's redshift is recorded as {'unit': '1', 'amount': '+0.0305'}[15].
  • SN 2004ef's redshift is recorded as {'unit': '1', 'amount': '+0.0314'}[16].
  • SN 2004ef's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.5'}[17].
  • SN 2004ef's apparent magnitude is recorded as {'unit': '1', 'amount': '+13.947'}[18].
  • SN 2004ef's apparent magnitude is recorded as {'unit': '1', 'amount': '+13.324'}[19].
  • SN 2004ef's apparent magnitude is recorded as {'unit': '1', 'amount': '+13.113'}[20].
  • SN 2004ef's radial velocity is recorded as {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '+8801'}[21].
  • SN 2004ef's right ascension is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+340.5438890'}[22].
  • SN 2004ef's declination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+19.9969430'}[23].
  • SN 2004ef's epoch is recorded as J2000.0[24].

Body

Definition and Type

SN 2004ef's instance of is recorded as supernova[4].

Use and Application

SN 2004ef is part of Q9364003[7].

References

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

Direct Wikidata claims

  1. [4] ↑ . SIMBAD. wikidata.org.
  2. [5] ↑ . VizieR. wikidata.org.
  3. [2] ↑ . wikidata.org.
  4. [3] ↑ . wikidata.org.
  5. [6] ↑ . CfAIR2: NEAR-INFRARED LIGHT CURVES OF 94 TYPE Ia SUPERNOVAE. wikidata.org.
  6. [7] ↑ . SIMBAD. wikidata.org.
  7. [8] ↑ . SIMBAD. wikidata.org.
  8. [9] ↑ . SIMBAD. wikidata.org.
  9. [10] ↑ . wikidata.org.
  10. [11] ↑ . Berkeley Supernova Ia Program - I. Observations, data reduction and spectroscopic sample of 582 low-redshift Type Ia supernovae. wikidata.org.
  11. [12] ↑ . Berkeley Supernova Ia Program - I. Observations, data reduction and spectroscopic sample of 582 low-redshift Type Ia supernovae. wikidata.org.
  12. [13] ↑ . Berkeley Supernova Ia Program - I. Observations, data reduction and spectroscopic sample of 582 low-redshift Type Ia supernovae. wikidata.org.
  13. [14] ↑ . Berkeley Supernova Ia Program - I. Observations, data reduction and spectroscopic sample of 582 low-redshift Type Ia supernovae. wikidata.org.
  14. [15] ↑ . Berkeley Supernova Ia Program - I. Observations, data reduction and spectroscopic sample of 582 low-redshift Type Ia supernovae. wikidata.org.
  15. [16] ↑ . Berkeley Supernova Ia Program - I. Observations, data reduction and spectroscopic sample of 582 low-redshift Type Ia supernovae. wikidata.org.
  16. [17] ↑ . Asiago Supernova Catalogue (Version 2008-Mar). wikidata.org.
  17. [18] ↑ . VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
  18. [19] ↑ . VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
  19. [20] ↑ . VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
  20. [21] ↑ . Using spectral flux ratios to standardize SN Ia luminosities. wikidata.org.
  21. [22] ↑ . VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
  22. [23] ↑ . VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
  23. [24] ↑ . VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

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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 2004ef. Retrieved May 7, 2026, from https://4ort.xyz/entity/q9329234
MLA “SN 2004ef.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q9329234.
BibTeX @misc{4ortxyz_q9329234_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{SN 2004ef}}, year = {2026}, url = {https://4ort.xyz/entity/q9329234}, note = {Accessed: 2026-05-07}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): SN 2004ef — https://4ort.xyz/entity/q9329234 (retrieved 2026-05-07)

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