Hanny's Voorwerp

astronomical object appearing as a bright blob close to spiral galaxy IC 2497 in Leo Minor, discovered by Hanny van Arkel
Thing astronomical_object Q604603
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Hanny's Voorwerp

Summary

Hanny's Voorwerp is an astronomical object[1]. It draws 75 Wikipedia views per month (astronomical_object category, ranking #6 of 48).[2]

Key Facts

  • Hanny's Voorwerp is credited with the discovery of Hanny van Arkel[3].
  • Hanny's Voorwerp is credited with the discovery of Sloan Digital Sky Survey[4].
  • Hanny's Voorwerp's image is recorded as Hannys voorwerp.jpg[5].
  • Hanny's Voorwerp's instance of is recorded as astronomical object[6].
  • Hanny's Voorwerp's instance of is recorded as galaxy[7].
  • Hanny's Voorwerp's constellation is recorded as Leo Minor[8].
  • Hanny van Arkel is named after Hanny's Voorwerp[9].
  • Hanny's Voorwerp's Commons category is recorded as Hanny's Voorwerp[10].
  • Hanny's Voorwerp's catalog code is recorded as J094103.80+344334.2[11].
  • Hanny's Voorwerp's catalog code is recorded as SDSS J094103.80+344334.2[12].
  • Hanny's Voorwerp's time of discovery or invention is recorded as +2007-00-00T00:00:00Z[13].
  • Hanny's Voorwerp's Freebase ID is recorded as /m/04cyz3n[14].
  • Hanny's Voorwerp's apparent magnitude is recorded as {'amount': '+19'}[15].
  • Hanny's Voorwerp's apparent magnitude is recorded as {'amount': '+20.63'}[16].
  • Hanny's Voorwerp's apparent magnitude is recorded as {'amount': '+18.836'}[17].
  • Hanny's Voorwerp's apparent magnitude is recorded as {'amount': '+21.55'}[18].
  • Hanny's Voorwerp's apparent magnitude is recorded as {'amount': '+20.50'}[19].
  • Hanny's Voorwerp's apparent magnitude is recorded as {'amount': '+22.05'}[20].
  • Hanny's Voorwerp's distance from Earth is recorded as {'unit': 'Q531', 'amount': '+650000000'}[21].
  • Hanny's Voorwerp's SIMBAD ID is recorded as SDSS J094103.80+344334.1[22].
  • Hanny's Voorwerp's schematic is recorded as Hs-2011-01-d-print.jpg[23].
  • Hanny's Voorwerp's right ascension is recorded as {'unit': 'Q28390', 'amount': '+145.265875'}[24].
  • Hanny's Voorwerp's declination is recorded as {'unit': 'Q28390', 'amount': '+34.726194'}[25].
  • Hanny's Voorwerp's epoch is recorded as J2000.0[26].

Body

Works and Contributions

Credited discoveries include Hanny van Arkel[3], a school teacher[27] and Sloan Digital Sky Survey[4], an astronomical survey[28], in United States[29].

Why It Matters

Hanny's Voorwerp draws 75 Wikipedia views per month (astronomical_object category, ranking #6 of 48).[2] It has Wikipedia articles in 15 language editions, a strong signal of global cultural recognition.[30]

References

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

Direct Wikidata claims

  1. [5] . wikidata.org.
  2. [6] . wikidata.org.
  3. [7] . SIMBAD. wikidata.org.
  4. [8] . wikidata.org.
  5. [3] . wikidata.org.
  6. [4] . wikidata.org.
  7. [9] . wikidata.org.
  8. [10] . wikidata.org.
  9. [11] . wikidata.org.
  10. [12] . SIMBAD. wikidata.org.
  11. [13] . wikidata.org.
  12. [14] . Freebase Data Dumps. wikidata.org.
  13. [15] . wikidata.org.
  14. [16] . The SDSS Photometric Catalog, Release 6. wikidata.org.
  15. [17] . The SDSS Photometric Catalog, Release 6. wikidata.org.
  16. [18] . The SDSS Photometric Catalog, Release 6. wikidata.org.
  17. [19] . The SDSS Photometric Catalog, Release 6. wikidata.org.
  18. [20] . The SDSS Photometric Catalog, Release 6. wikidata.org.
  19. [21] . wikidata.org.
  20. [22] . wikidata.org.
  21. [23] . wikidata.org.
  22. [24] . The SDSS Photometric Catalog, Release 6. wikidata.org.
  23. [25] . The SDSS Photometric Catalog, Release 6. wikidata.org.
  24. [26] . The SDSS Photometric Catalog, Release 6. wikidata.org.

Inline context (facts about related entities)

  1. [27] . Wikidata. wikidata.org. → on this site
  2. [28] . Wikidata. wikidata.org. → on this site
  3. [29] . Wikidata. wikidata.org. → on this site

Class ancestry

  1. [1] . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] . Wikimedia Foundation. dumps.wikimedia.org.
  2. [30] . Wikidata sitelinks. 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). Hanny's Voorwerp. Retrieved May 3, 2026, from https://4ort.xyz/entity/hanny-s-voorwerp
MLA “Hanny's Voorwerp.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/hanny-s-voorwerp.
BibTeX @misc{4ortxyz_hanny-s-voorwerp_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Hanny's Voorwerp}}, year = {2026}, url = {https://4ort.xyz/entity/hanny-s-voorwerp}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Hanny's Voorwerp — https://4ort.xyz/entity/hanny-s-voorwerp (retrieved 2026-05-03)

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