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SN 1940D

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SN 1940D

Summary

SN 1940D is a supernova[1].

Key Facts

  • SN 1940D's instance of is recorded as supernova[2].
  • SN 1940D's constellation is recorded as Draco[3].
  • SN 1940D is part of NGC 4545[4].
  • SN 1940D's catalog code is recorded as SN 1940D[5].
  • SN 1940D's apparent magnitude is recorded as {'unit': '1', 'amount': '+15.0'}[6].
  • SN 1940D's apparent magnitude is recorded as {'unit': '1', 'amount': '+15.0'}[7].
  • SN 1940D's right ascension is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+188.6458'}[8].
  • SN 1940D's declination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+63.5300'}[9].
  • SN 1940D's epoch is recorded as J2000.0[10].

Body

Definition and Type

SN 1940D's instance of is recorded as supernova[2].

Use and Application

SN 1940D is part of NGC 4545[4].

References

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

Direct Wikidata claims

  1. [2] ↑ . SIMBAD. wikidata.org.
  2. [3] ↑ . VizieR. wikidata.org.
  3. [4] ↑ . SIMBAD. wikidata.org.
  4. [5] ↑ . SIMBAD. wikidata.org.
  5. [6] ↑ . Asiago Supernova Catalogue (Version 2008-Mar). wikidata.org.
  6. [7] ↑ . SIMBAD. wikidata.org.
  7. [8] ↑ . Sternberg Astronomical Institute supernova catalogue. wikidata.org.
  8. [9] ↑ . Sternberg Astronomical Institute supernova catalogue. wikidata.org.
  9. [10] ↑ . Sternberg Astronomical Institute supernova catalogue. 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 1940D. Retrieved May 7, 2026, from https://4ort.xyz/entity/q9326292
MLA “SN 1940D.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q9326292.
BibTeX @misc{4ortxyz_q9326292_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{SN 1940D}}, year = {2026}, url = {https://4ort.xyz/entity/q9326292}, note = {Accessed: 2026-05-07}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): SN 1940D — https://4ort.xyz/entity/q9326292 (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. 9w ago · Phantomdj · 2026-05-21 view diff on Wikidata ↗
    Simbad id → SN 1940D
    Constellation → Draco
    Right ascension → {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount':
    Catalog code → SN 1940D
    + 8 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.