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SN 1991am

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SN 1991am

Summary

SN 1991am is a supernova[1].

Key Facts

  • SN 1991am's instance of is recorded as supernova[2].
  • SN 1991am's instance of is recorded as infrared source[3].
  • SN 1991am's constellation is recorded as Hercules[4].
  • SN 1991am's spectral class is recorded as SN.Ia-norm[5].
  • SN 1991am's catalog code is recorded as SN 1991am[6].
  • SN 1991am's catalog code is recorded as 2MASS J16414612+3744475[7].
  • SN 1991am's catalog code is recorded as Gaia DR2 1328450706257349504[8].
  • SN 1991am's redshift is recorded as {'unit': '1', 'amount': '+0.0602'}[9].
  • SN 1991am's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.0'}[10].
  • SN 1991am's apparent magnitude is recorded as {'unit': '1', 'amount': '+14.5202'}[11].
  • SN 1991am's apparent magnitude is recorded as {'unit': '1', 'amount': '+13.335'}[12].
  • SN 1991am's apparent magnitude is recorded as {'unit': '1', 'amount': '+12.951'}[13].
  • SN 1991am's apparent magnitude is recorded as {'unit': '1', 'amount': '+12.841'}[14].
  • SN 1991am's parallax is recorded as {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+1.4991'}[15].
  • SN 1991am's radial velocity is recorded as {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '+17505'}[16].
  • SN 1991am's distance from Earth is recorded as {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+667.0669'}[17].
  • SN 1991am's right ascension is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+250.44217827454550'}[18].
  • SN 1991am's declination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+37.74652841352820'}[19].
  • SN 1991am's epoch is recorded as J2000.0[20].
  • SN 1991am's declination component of proper motion is recorded as {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '+3.031'}[21].
  • SN 1991am's right ascension component of proper motion is recorded as {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '+0.540'}[22].

Body

Definition and Type

Recorded instance of include supernova[2] and infrared source[3].

References

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

Direct Wikidata claims

  1. [2] ↑ . SIMBAD. wikidata.org.
  2. [3] ↑ . SIMBAD. wikidata.org.
  3. [4] ↑ . VizieR. wikidata.org.
  4. [5] ↑ . Berkeley Supernova Ia Program - I. Observations, data reduction and spectroscopic sample of 582 low-redshift Type Ia supernovae. wikidata.org.
  5. [6] ↑ . SIMBAD. wikidata.org.
  6. [7] ↑ . SIMBAD. wikidata.org.
  7. [8] ↑ . SIMBAD. wikidata.org.
  8. [9] ↑ . Berkeley Supernova Ia Program - I. Observations, data reduction and spectroscopic sample of 582 low-redshift Type Ia supernovae. wikidata.org.
  9. [10] ↑ . Asiago Supernova Catalogue (Version 2008-Mar). wikidata.org.
  10. [11] ↑ . Gaia Data Release 2. wikidata.org.
  11. [12] ↑ . VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
  12. [13] ↑ . VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
  13. [14] ↑ . VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
  14. [15] ↑ . Gaia Data Release 2. 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] ↑ . Gaia Data Release 2. wikidata.org.
  17. [18] ↑ . Gaia Data Release 2. wikidata.org.
  18. [19] ↑ . Gaia Data Release 2. wikidata.org.
  19. [20] ↑ . Gaia Data Release 2. wikidata.org.
  20. [21] ↑ . Gaia Data Release 2. wikidata.org.
  21. [22] ↑ . Gaia Data Release 2. wikidata.org.

Class ancestry

  1. [1] ↑ . 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 1991am. Retrieved May 7, 2026, from https://4ort.xyz/entity/q9327060
MLA “SN 1991am.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q9327060.
BibTeX @misc{4ortxyz_q9327060_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{SN 1991am}}, year = {2026}, url = {https://4ort.xyz/entity/q9327060}, note = {Accessed: 2026-05-07}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): SN 1991am — https://4ort.xyz/entity/q9327060 (retrieved 2026-05-07)

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Edit History

Rolling log of changes to this entity's Wikidata record. Values shown reflect the current state of each edited property — follow the history link to see the precise diff for any edit.

  1. 12w ago · Phantomdj · 2026-06-13 view diff on Wikidata ↗
    Simbad id → SN 1991am
    Catalog code → SN 1991am, 2MASS J16414612+3744475, Gaia DR2 1328450706257349504
    Imported from → —
    Declination → {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount':
    + 15 other properties edited (see Wikidata diff for full list)
    "/* wbsetclaim-update:2||1|1 */ [[Property:P31]]: [[Q3937]]"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.